Mayr's Database of Reactivity Parameters

Electrophiles

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Name Solvent Reactivity
Parameters
Classification Reference
(title or year)
benzhydrylium ion Ph2CH+
C13H11 *

E Param.: 5.47

***** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
ani(Br)2QM
C14H10Br2O2 *

E Param.: -8.63

**** Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
ani(Ph)2QM
C26H20O2 *

E Param.: -12.18

**** Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
dma(Ph)2QM
C27H23NO *

E Param.: -13.39

**** Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
tol(t-Bu)2QM
C22H28O *

E Param.: -15.83

**** Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
ani(t-Bu)2QM
*

E Param.: -16.11

**** Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
dma(t-Bu)2QM
*

E Param.: -17.29

**** Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
jul(t-Bu)2QM
*

E Param.: -17.90

**** Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
(pcp)2CH+
C13H9Cl2 *

E Param.: 5.48

***** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
pfp(Ph)CH+
C13H10F *

E Param.: 5.20

***** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(fur)2CH+
C17H15O2 *

E Param.: -1.36

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(ani)2CH+
C15H15O2 *

E Param.: 0.00

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(tol)2CH+
C15H15 *

E Param.: 3.63

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(pfa)2CH+
C29H23F6N2 *

E Param.: -3.14

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(mfa)2CH+
C19H19F6N2 *

E Param.: -3.85

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(dpa)2CH+
C37H29N2 *

E Param.: -4.72

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(mor)2CH+
C21H25N2O2 *

E Param.: -5.53

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(mpa)2CH+
C27H25N2 *

E Param.: -5.89

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(dma)2CH+
C17H21N2 *

E Param.: -7.02

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(pyr)2CH+
C21H25N2 *

E Param.: -7.69

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(thq)2CH+
C21H25N2 *

E Param.: -8.22

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(ind)2CH+
C19H21N2 *

E Param.: -8.76

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(jul)2CH+
C25H29N2 *

E Param.: -9.45

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(lil)2CH+
C23H25N2 *

E Param.: -10.04

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
5-methoxyfuroxano[3,4-d]pyrimidine
C5H4N4O3 *

E Param.: -8.37

*** J. Phys. Org. Chem. 2003, 16, 431-437
10.1002/poc.606
benzylidenemalononitrile
C10H6N2 *

E Param.: -9.42

*** J. Org. Chem. 2003, 68, 6880-6886
10.1021/jo0344182
p-(methoxy)benzylidenemalononitrile
C11H8N2O *

E Param.: -10.80

*** J. Org. Chem. 2003, 68, 6880-6886
10.1021/jo0344182
p-(dimethylamino)benzylidenemalononitrile
C12H11N3 *

E Param.: -13.30

*** J. Org. Chem. 2003, 68, 6880-6886
10.1021/jo0344182
ani(pop)CH+
C20H17O2 *

E Param.: 0.61

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
ani(Ph)CH+
C14H13O *

E Param.: 2.11

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
ani(tol)CH+
C15H15O *

E Param.: 1.48

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
pop(Ph)CH+
C19H15O *

E Param.: 2.90

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
tol(Ph)CH+
C14H13 *

E Param.: 4.43

***** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(pfp)2CH+
C13H9F2 *

E Param.: 5.01, Deviation: ±0.05

***** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
pop(tol)CH+
C20H17O *

E Param.: 2.16, Deviation: ±0.03

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
fc(Ph)CH+
C17H15Fe *

E Param.: -2.64

***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
fc(ani)CH+
C18H17FeO *

E Param.: -2.90, Deviation: ±0.09

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
fc(Me)CH+
C12H13Fe *

E Param.: -2.57

* Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
fc2CH+
C21H19Fe2 *

E Param.: -8.54, Deviation: ±0.53

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
C7H7+-Fe(CO)3
*

E Param.: -3.49, Deviation: ±0.17

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
C7H9+-Fe(CO)3
*

E Param.: -9.21, Deviation: ±0.36

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
C6H7+-Fe(CO)3
*

E Param.: -7.76, Deviation: ±0.31

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
C6H6OMe+-Fe(CO)3
*

E Param.: -8.94, Deviation: ±0.13

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
benzaldehyde-boron trichloride complex
*

E Param.: 1.12, Deviation: ±0.24

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
4-chlorobenzaldehyde-boron trichloride complex
*

E Param.: 1.44, Deviation: ±0.20

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
tropylium ion
C7H7 *

E Param.: -3.72, Deviation: ±0.03

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
propyn-1-ylium-Co2(CO)6
*

E Param.: -0.84, Deviation: ±0.36

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
1-phenyl-proyn-ylium-Co2(CO)6
*

E Param.: -0.97, Deviation: ±0.08

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
3-phenylpropyn-1-ylium-Co2(CO)6
*

E Param.: -1.58, Deviation: ±0.58

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
3-(trimethylsilyl)propyn-1-ylium-Co2(CO)6
*

E Param.: -1.60, Deviation: ±0.34

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
1-phenyl-propyn-1-ylium-Co2(CO)5(PPh3)
*

E Param.: -6.19, Deviation: ±0.44

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
2-phenyl-1,3-dithiolan-2-ylium ion
C9H9S2 *

E Param.: -5.91, Deviation: ±0.33

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
2-phenyl-1,3-dithianylium ion
C10H11S2 *

E Param.: -6.43, Deviation: ±0.04

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
1,3-dithianylium ion
C4H7S2 *

E Param.: -2.14, Deviation: ±0.07

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
N-ethylidenecarbazolium ion
C14H12N *

E Param.: 2.41, Deviation: ±0.33

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
N-methylacridinium ion
C14H12N *

E Param.: -7.15, Deviation: ±0.12

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
dimethylmethyleneammonium ion
C3H8N *

E Param.: -6.69

* Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
methyl(phenyl)methyleneammonium ion
C8H10N *

E Param.: -5.17

* Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
Vilsmeier ion
C3H7ClN *

E Param.: -5.77

* Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
methoxy-phenylmethylium ion
C8H9O *

E Param.: 2.97, Deviation: ±0.09

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
methoxy-(4-methoxyphenyl)methylium ion
C9H11O2 *

E Param.: 0.14, Deviation: ±0.01

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
methoxy-(4-methylphenyl)methylium ion
C9H11O *

E Param.: 1.90, Deviation: ±0.22

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
Pd-allyl cation
*

E Param.: -10.11, Deviation: ±0.96

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
flavylium ion
C15H11O *

E Param.: -3.45, Deviation: ±0.16

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
2-(4-methoxyphenyl)chromenylium ion
C16H13O2 *

E Param.: -4.95, Deviation: ±0.06

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
1,1,3-triphenylallylium ion
C21H17 *

E Param.: 0.98, Deviation: ±0.20

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
1,1-dianisyl-3-phenylallylium ion
C23H21O2 *

E Param.: -2.67, Deviation: ±0.30

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
1,1-bis(4-dimethylaminophenyl)-3-phenylallylium ion
*

E Param.: -8.97, Deviation: ±0.32

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
1,1,3-tris(4-(dimethylamino)phenyl)allylium ion
C27H32N3 *

E Param.: -9.84, Deviation: ±0.21

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
1-phenylcyclopent-2-enylium ion
C11H11 *

E Param.: 2.89, Deviation: ±0.25

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
1-(4-chlorophenyl)cyclopent-2-enylium ion
C11H10Cl *

E Param.: 3.20, Deviation: ±0.37

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
1,3-diphenylpropyn-1-ylium-Cr(CO)3
*

E Param.: 1.07, Deviation: ±0.30

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
1,1,3-triphenylpropyn-1-ylium-Cr(CO)3
*

E Param.: -0.25, Deviation: ±0.20

*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
tritylium ion (Ph3C+)
C19H15 *

E Param.: 0.51

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
4,6-dinitrobenzofuroxan
C6H2N4O6 *

E Param.: -5.06

*** J. Org. Chem. 2006, 71, 9088-9095
10.1021/jo0614339
1,3,5-trinitrobenzene
C6H3N3O6 *

E Param.: -13.19, Deviation: ±0.45

*** J. Org. Chem. 2005, 70, 6242-6253
10.1021/jo0505526
6-nitro-tetrazolo[1,5a]pyridine
C5H3N5O2 *

E Param.: -9.05, Deviation: ±0.12

*** J. Org. Chem. 2005, 70, 6242-6253
10.1021/jo0505526
dicarbonyl(cyclopentadienyl)propene-iron(II)
*

E Param.: -11.20

*** Helv. Chim. Acta 2005, 88, 1754-1768
10.1002/hlca.200590137
4-nitro-6-(trifluoromethylsulfonyl)benzofuroxan
C7H2F3N3O6S *

E Param.: -4.91, Deviation: ±0.31

*** J. Org. Chem. 2005, 70, 6242-6253
10.1021/jo0505526
4,6-dinitrotetrazolopyridine
C5H2N6O4 *

E Param.: -4.67, Deviation: ±0.30

*** J. Org. Chem. 2005, 70, 6242-6253
10.1021/jo0505526
4,6-dinitrobenzofurazan
C6H2N4O5 *

E Param.: -5.46, Deviation: ±0.36

*** J. Org. Chem. 2005, 70, 6242-6253
10.1021/jo0505526
2,4-dinitrothiophene
C4H2N2O4S *

E Param.: -12.33, Deviation: ±0.11

*** J. Org. Chem. 2005, 70, 6242-6253
10.1021/jo0505526
6-cyano-4-nitrobenzofuroxan
C7H2N4O4 *

E Param.: -7.01, Deviation: ±0.16

*** J. Org. Chem. 2005, 70, 6242-6253
10.1021/jo0505526
4-cyano-6-nitro-benzofuroxane
C7H2N4O4 *

E Param.: -6.41, Deviation: ±0.38

*** J. Org. Chem. 2005, 70, 6242-6253
10.1021/jo0505526
4-aza-6-nitrobenzofuroxan
C5H2N4O4 *

E Param.: -5.86, Deviation: ±0.36

*** J. Org. Chem. 2005, 70, 6242-6253
10.1021/jo0505526
(2,4,6-trimethylphenyl)ethylium ion
C11H15 *

E Param.: 6.04

* Macromolecules 2005, 38, 33-40
10.1021/ma048389o
1,3-bis(2,4,6-trimethylphenyl)but-1-ylium ion
C22H29 *

E Param.: 6.16

* Macromolecules 2005, 38, 33-40
10.1021/ma048389o
2-(p-(dimethylamino)benzylidene)-indan-1,3-dione
C18H15NO2 *

E Param.: -13.56

*** Org. Biomol. Chem. 2007, 5, 3020-3026
10.1039/b708025e
2-(p-methoxybenzylidene)-indan-1,3-dione
C17H12O3 *

E Param.: -11.32

*** Org. Biomol. Chem. 2007, 5, 3020-3026
10.1039/b708025e
2-benzylidene-indan-1,3-dione
C16H10O2 *

E Param.: -10.11

*** Org. Biomol. Chem. 2007, 5, 3020-3026
10.1039/b708025e
jul-indan-1,3-dione
C22H19NO2 *

E Param.: -14.68

*** Org. Biomol. Chem. 2007, 5, 3020-3026
10.1039/b708025e
aniBBS
C14H14N2O4 *

E Param.: -10.37

*** J. Org. Chem. 2007, 72, 9170-9180
10.1021/jo071273g
dmaBBS
C15H17N3O3 *

E Param.: -12.76

*** J. Org. Chem. 2007, 72, 9170-9180
10.1021/jo071273g
julBBS
C19H21N3O3 *

E Param.: -13.84

*** J. Org. Chem. 2007, 72, 9170-9180
10.1021/jo071273g
dma(S)BBS
C15H17N3O2S *

E Param.: -10.73

*** J. Org. Chem. 2007, 72, 9170-9180
10.1021/jo071273g
jul(S)BBS
C19H21N3O2S *

E Param.: -11.89

*** J. Org. Chem. 2007, 72, 9170-9180
10.1021/jo071273g
4-nitrobenzodifuroxan (NBDF)
C6HN5O6 *

E Param.: -6.15

*** Chem. Eur. J. 2007, 13, 8317-8324
10.1002/chem.200700676
benzylidene-Meldrum's acid
C13H12O4 *

E Param.: -9.15

*** J. Org. Chem. 2008, 73, 2738-2745
10.1021/jo702590s
p-(methoxy)benzylidene Meldrum's acid
C14H14O5 *

E Param.: -10.28

*** J. Org. Chem. 2008, 73, 2738-2745
10.1021/jo702590s
p-(dimethylamino)benzylidene Meldrum's acid
C15H17NO4 *

E Param.: -12.76

*** J. Org. Chem. 2008, 73, 2738-2745
10.1021/jo702590s
jul Meldrum's acid
C19H21NO4 *

E Param.: -13.97

*** J. Org. Chem. 2008, 73, 2738-2745
10.1021/jo702590s
diethyl benzylidene malonate
C14H16O4 *

E Param.: -20.55

*** Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
diethyl 4-nitrobenzylidene malonate
C14H15NO6 *

E Param.: -17.67

*** Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
diethyl 4-cyano-benzylidene malonate
C15H15NO4 *

E Param.: -18.06

*** Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
diethyl 3-chloro-benzylidene malonate
C14H15ClO4 *

E Param.: -18.98

*** Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
diethyl 4-methyl-benzylidene malonate
C15H18O4 *

E Param.: -21.11

*** Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
diethyl 4-methoxy-benzylidene malonate
C15H18O5 *

E Param.: -21.47

*** Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
diethyl 4-(dimethylamino)benzylidene malonate
C16H21NO4 *

E Param.: -23.10

*** Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
diethyl 2-((1-methyl-1,2,3,4-tetrahydroquinolin-6-yl)methylene)malonate
C18H23NO4 *

E Param.: -23.40

* Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
diethyl 2-((julolidine-9-yl)methylene)malonate
C20H25NO4 *

E Param.: -23.80

* Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
Me2N+=CH-CH-Ph
C11H14N+ *

E Param.: -9.20

*** Angew. Chem. Int. Ed. 2008, 47, 8723-8726
10.1002/anie.200802889
pyrN+=CH-CH-Ph
C13H16N+ *

E Param.: -9.80

*** Angew. Chem. Int. Ed. 2008, 47, 8723-8726
10.1002/anie.200802889
pipN+=CH-CH-Ph
C14H18N+ *

E Param.: -10.30

* Angew. Chem. Int. Ed. 2008, 47, 8723-8726
10.1002/anie.200802889
(PhCH2)2N+=CH-CH-Ph
C23H22N+ *

E Param.: -8.50

*** Angew. Chem. Int. Ed. 2008, 47, 8723-8726
10.1002/anie.200802889
Jorgensen/Hayashi-iminium ion
C29H34NOSi+ *

E Param.: -8.20

*** Angew. Chem. Int. Ed. 2008, 47, 8723-8726
10.1002/anie.200802889
MacMillan-iminium ion (1st generation)
C22H25N2O+ *
MeCN

E Param.: -7.37

*** Angew. Chem. Int. Ed. 2011, 50, 9953-9956
10.1002/anie.201103683
mor iminium
C13H16NO+ *

E Param.: -8.60

*** Angew. Chem. Int. Ed. 2008, 47, 8723-8726
10.1002/anie.200802889
2,6-diphenyl-4-benzylidenecyclohexa-2,5-dienone
C25H18O *

E Param.: -11.87

*** Eur. J. Org. Chem. 2009, , 3203-3211
10.1002/ejoc.200900299
2,6-dimethoxy-4-(4-methoxybenzylidene)cyclohexa-2,5-dienone
C16H16O4 *

E Param.: -16.38

*** Eur. J. Org. Chem. 2009, , 3203-3211
10.1002/ejoc.200900299
2,6-dimethoxy-4-(4-(dimethylamino)benzylidene)cyclohexa-2,5-dienone
C17H19NO3 *

E Param.: -17.18

*** Eur. J. Org. Chem. 2009, , 3203-3211
10.1002/ejoc.200900299
2,6-dimethyl-4-(4-(dimethylamino)benzylidene)cyclohexa-2,5-dienone
C17H19NO *

E Param.: -16.36

*** Eur. J. Org. Chem. 2009, , 3203-3211
10.1002/ejoc.200900299
2,6-di-tert.butyl-4-(3-fluorobenzylidene)cyclohexa-2,5-dienone
C21H25FO *

E Param.: -15.03

*** Eur. J. Org. Chem. 2009, , 3203-3211
10.1002/ejoc.200900299
2,6-di-tert.butyl-4-(3,5-difluorobenzylidene)cyclohexa-2,5-dienone
C21H24F2O *

E Param.: -14.50

*** Eur. J. Org. Chem. 2009, , 3203-3211
10.1002/ejoc.200900299
2,6-di-tert.butyl-4-(4-nitrobenzylidene)cyclohexa-2,5-dienone
C21H25NO3 *

E Param.: -14.36

*** Eur. J. Org. Chem. 2009, , 3203-3211
10.1002/ejoc.200900299
bh6a
*

E Param.: -18.60

** Chem. Eur. J. 2010, 16, 1365-1371
10.1002/chem.200902487
bh 6f
*

E Param.: -18.90

** Chem. Eur. J. 2010, 16, 1365-1371
10.1002/chem.200902487
bh 6i
*

E Param.: -19.10

** Chem. Eur. J. 2010, 16, 1365-1371
10.1002/chem.200902487
bh6j
*

E Param.: -17.90

** Chem. Eur. J. 2010, 16, 1365-1371
10.1002/chem.200902487
bh 6k
*

E Param.: -18.20

* Chem. Eur. J. 2010, 16, 1365-1371
10.1002/chem.200902487
bh 6l
*

E Param.: -18.90

* Chem. Eur. J. 2010, 16, 1365-1371
10.1002/chem.200902487
bh 6m
*

E Param.: -17.30

* Chem. Eur. J. 2010, 16, 1365-1371
10.1002/chem.200902487
cumyl cation
*

E Param.: 5.74

*** Macromolecules 2010, 43, 1719-1723
10.1021/ma9024569
1,2-diaza-1,3-diene 1a
*
DMSO

E Param.: -13.28

*** Chem. Eur. J. 2010, 16, 12008-12016
10.1002/chem.201000828
1,2-diaza-1,3-diene 1b
*
DMSO

E Param.: -13.90

*** Chem. Eur. J. 2010, 16, 12008-12016
10.1002/chem.201000828
1,2-diaza-1,3-diene 1c
*
DMSO

E Param.: -14.91

*** Chem. Eur. J. 2010, 16, 12008-12016
10.1002/chem.201000828
1,2-diaza-1,3-diene 1d
*
DMSO

E Param.: -15.38

*** Chem. Eur. J. 2010, 16, 12008-12016
10.1002/chem.201000828
1,2-diaza-1,3-diene 1e
*
MeOH

E Param.: -14.90

* Chem. Eur. J. 2010, 16, 12008-12016
10.1002/chem.201000828
1,2-diaza-1,3-diene 1f
*
MeOH

E Param.: -15.30

* Chem. Eur. J. 2010, 16, 12008-12016
10.1002/chem.201000828
2,3,4,5,6,6-hexachlorocyclohexa-2,4-dien-1-one
*
MeCN

E Param.: -6.75

*** Org. Lett. 2010, 12, 2238-2241
10.1021/ol100592j
5,7,7-trichloro-8(7H)-quinolinone
*
MeCN

E Param.: -10.48

*** Org. Lett. 2010, 12, 2238-2241
10.1021/ol100592j
2,2,4-trichloro-1(2H)-naphthalenone
*
MeCN

E Param.: -11.24

*** Org. Lett. 2010, 12, 2238-2241
10.1021/ol100592j
dibenzyl azodicarboxylate
*
MeCN

E Param.: -8.89

*** Chem. Eur. J. 2010, 16, 11670-11677
10.1002/chem.201001598
diethyl azodicarboxylate
*
MeCN

E Param.: -10.15

*** Chem. Eur. J. 2010, 16, 11670-11677
10.1002/chem.201001598
diisopropyl azodicarboxylate
*
MeCN

E Param.: -10.71

*** Chem. Eur. J. 2010, 16, 11670-11677
10.1002/chem.201001598
di-tert-butyl azodicarboxylate
*
MeCN

E Param.: -12.23

*** Chem. Eur. J. 2010, 16, 11670-11677
10.1002/chem.201001598
(4-CF3)2-tritylium ion
*

E Param.: 2.28

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(3-Cl)3-tritylium ion
*

E Param.: 1.99

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-CF3)-tritylium ion
*

E Param.: 1.33

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(3-Cl)-tritylium ion
*

E Param.: 1.06

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(3-CF3)-tritylium ion
*

E Param.: 1.18

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-Me)-tritylium ion
*

E Param.: -0.13

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-Me)2-tritylium ion
*

E Param.: -0.70

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-Me)3-tritylium ion
*

E Param.: -1.21

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-MeO,3-OMe)-tritylium ion
*

E Param.: -1.62

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-OMe,3-Me)-tritylium ion
*

E Param.: -1.84

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-MeO)-tritylium ion
*

E Param.: -1.59

- Eur. J. Org. Chem. 2011, , 6470-6475
10.1002/ejoc.201100910
(4-MeO,4-Me)-tritylium ion
*

E Param.: -2.13

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-MeO)2-tritylium ion
*

E Param.: -3.04

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-MeO)3-tritylium ion
*

E Param.: -4.35

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-NMe2)-tritylium ion
*

E Param.: -7.93

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-NMe2)2-tritylium ion (= Malachite green)
*

E Param.: -10.29

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-NMe2)3-tritylium ion (= Crystal violet)
*

E Param.: -11.26

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(E)-3-(4-nitro-phenyl)-1-phenyl-prop-2-en-1-one (in DMSO)
*
DMSO

E Param.: -17.33

*** J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
(E)-3-(4-cyano-phenyl)-1-phenyl-prop-2-en-1-one (in DMSO)
*
DMSO

E Param.: -17.64

*** J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
(E)-1,3-diphenylprop-2-en-1-one (in DMSO)
C15H12O *
DMSO

E Param.: -19.39

*** J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
(E)-4-(4-nitrophenyl)but-3-en-2-one (in DSMO)
C10H9NO3 *
DMSO

E Param.: -19.36

* J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
(E)-4-methyl-1-(4-nitrophenyl)pent-1-en-3-one (in DMSO)
C12H13NO3 *
DMSO

E Param.: -19.17

* J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
(E)-4,4-dimethyl-1-(4-nitrophenyl)pent-1-en-3-one
C13H15NO3 *
DMSO

E Param.: -19.15

* J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
3-chloro-benzaldehyde (in DMSO)
C7H5ClO *
DMSO - J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
3-fluoro-benzaldehyde (in DMSO)
C7H5FO *
DMSO - J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
3-methoxy-benzaldehyde (in DMSO)
C8H8O2 *
DMSO - J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
4-fluoro-benzaldehyde (in DMSO)
C7H5FO *
DMSO - J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
benzaldehyde (in DMSO)
C7H6O *
DMSO

E Param.: -12.90

* J. Am. Chem. Soc. 2018, 140, 5500-5515
10.1021/jacs.8b01657
hexanal (in DMSO)
C6H12O *
DMSO - J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
butanal (in DMSO)
C4H8O *
DMSO - J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
cinnamaldehyde (in DMSO)
C9H8O *
DMSO - J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
p-nitro-cinnamaldehyde (in DMSO)
C9H7NO3 *
DMSO - J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
(E)-N-benzylidene-4-methylbenzenesulfonamide (in DMSO)
C14H13NO2S *
DMSO

E Param.: -11.50

*** J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
(E)-N-(4-methoxybenzylidene)-4-methylbenzenesulfonamide (in DMSO)
C15H15NO3S *
DMSO

E Param.: -13.05

*** J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
(E)-N-(4-(dimethylamino)benzylidene)-4-methylbenzenesulfonamide (in DMSO)
C16H18N2O2S *
DMSO

E Param.: -15.09

*** J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
(E)-tert-butyl benzylidenecarbamate (in DMSO)
C12H15NO2 *
DMSO

E Param.: -14.22

*** J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
(E)-N-benzylidene-P,P-diphenylphosphinic amide
C19H16NOP *
DMSO

E Param.: -15.89

*** J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
(4-F)-tritylium ion
*

E Param.: 0.35

* Eur. J. Org. Chem. 2011, , 6470-6475
10.1002/ejoc.201100910
(4-F)2-tritylium ion
*

E Param.: 0.17

* Eur. J. Org. Chem. 2011, , 6470-6475
10.1002/ejoc.201100910
(4-F)3-tritylium ion
*

E Param.: 0.05

* Eur. J. Org. Chem. 2011, , 6470-6475
10.1002/ejoc.201100910
(3-F)-tritylium ion
*

E Param.: 1.01

* Eur. J. Org. Chem. 2011, , 6470-6475
10.1002/ejoc.201100910
(3-F)2-tritylium ion
*

E Param.: 1.54

* Eur. J. Org. Chem. 2011, , 6470-6475
10.1002/ejoc.201100910
(3-F)3-tritylium ion
*

E Param.: 2.07

* Eur. J. Org. Chem. 2011, , 6470-6475
10.1002/ejoc.201100910
(3-F)4-tritylium ion
*

E Param.: 2.54

* Eur. J. Org. Chem. 2011, , 6470-6475
10.1002/ejoc.201100910
diarylallylium ion (3,3-F2)2
*

E Param.: 6.11

*** J. Org. Chem. 2011, 76, 9391-9408
10.1021/jo201668w
diarylallylium ion (3-F)2
*

E Param.: 4.15

** J. Org. Chem. 2011, 76, 9391-9408
10.1021/jo201668w
diarylallylium ion (4-Br)2
*

E Param.: 2.85

*** J. Org. Chem. 2011, 76, 9391-9408
10.1021/jo201668w
diarylallylium ion (4-Cl)2
*

E Param.: 2.69

* J. Org. Chem. 2011, 76, 9391-9408
10.1021/jo201668w
diphenylallylium ion
*

E Param.: 2.70

*** J. Org. Chem. 2011, 76, 9391-9408
10.1021/jo201668w
di-p-tolyl-allylium ion
*

E Param.: 1.23

*** J. Org. Chem. 2011, 76, 9391-9408
10.1021/jo201668w
di-p-anisyl-allylium ion
*

E Param.: -1.45

*** J. Org. Chem. 2011, 76, 9391-9408
10.1021/jo201668w
diarylallylium ion (4-NMe2)2
*

E Param.: -7.50

*** J. Org. Chem. 2011, 76, 9391-9408
10.1021/jo201668w
bis(julidin-9-yl)allylium ion
*

E Param.: -9.78

*** J. Org. Chem. 2011, 76, 9391-9408
10.1021/jo201668w
4-methoxy-<i>trans-beta</i>-nitrostyrene
*

E Param.: -14.70

*** J. Org. Chem. 2011, 76, 9370-9378
10.1021/jo201678u
4-methyl-<i>trans-beta</i>-nitrostyrene
*

E Param.: -14.23

*** J. Org. Chem. 2011, 76, 9370-9378
10.1021/jo201678u
<i>trans-beta</i>-nitrostyrene
*

E Param.: -13.85

*** J. Org. Chem. 2011, 76, 9370-9378
10.1021/jo201678u
4-bromo-<i>trans-beta</i>-nitrostyrene
*

E Param.: -13.37

*** J. Org. Chem. 2011, 76, 9370-9378
10.1021/jo201678u
4-cyano-<i>trans-beta</i>-nitrostyrene
*

E Param.: -12.61

*** J. Org. Chem. 2011, 76, 9370-9378
10.1021/jo201678u
4-nitro-<i>trans-beta</i>-nitrostyrene
*

E Param.: -12.37

*** J. Org. Chem. 2011, 76, 9370-9378
10.1021/jo201678u
(ethene-1,1-diyldisulfonyl)dibenzene
*
DMSO

E Param.: -7.50

*** Chem. Asian J. 2012, 7, 1401-1407
10.1002/asia.201101046
(2-phenylethene-1,1-diyldisulfonyl)dibenzene
*
DMSO

E Param.: -12.93

*** Chem. Asian J. 2012, 7, 1401-1407
10.1002/asia.201101046
(2-(4-methoxyphenyl)ethene-1,1-diyldisulfonyl)dibenzene
*
DMSO

E Param.: -13.88

*** Chem. Asian J. 2012, 7, 1401-1407
10.1002/asia.201101046
4-(2,2-bis(phenylsulfonyl)vinyl)-N,N-dimethylaniline
*
DMSO

E Param.: -16.53

*** Chem. Asian J. 2012, 7, 1401-1407
10.1002/asia.201101046
2-benzylidenebenzo[d][1,3]dithiole 1,1,3,3-tetraoxide
*
DMSO

E Param.: -11.78

*** Chem. Asian J. 2012, 7, 1401-1407
10.1002/asia.201101046
2-(4-methoxybenzylidene)benzo[d][1,3]dithiole 1,1,3,3-tetraoxide
*
DMSO

E Param.: -13.02

*** Chem. Asian J. 2012, 7, 1401-1407
10.1002/asia.201101046
2-(4-methoxybenzylidene)-1,3-dithiane 1,1,3,3-tetraoxide
*
DMSO

E Param.: -14.55

*** Chem. Asian J. 2012, 7, 1401-1407
10.1002/asia.201101046
MacMillan-iminium ion (2nd generation)
*
MeCN

E Param.: -5.52

*** Angew. Chem. Int. Ed. 2011, 50, 9953-9956
10.1002/anie.201103683
MacMillan-iminium ion (spiro)
*
MeCN

E Param.: -7.67

*** Angew. Chem. Int. Ed. 2011, 50, 9953-9956
10.1002/anie.201103683
[(1,3-Diarylallyl)Pd(PPh3)2]+ (Aryl = Ph)
*

E Param.: -14.14

*** Organometallics 2012, 31, 2416-2424
10.1021/om3000357
[(1,3-Diarylallyl)Pd(PPh3)2]+ (Aryl = 3,5-difluorophenyl)
*

E Param.: -14.21

*** Organometallics 2012, 31, 2416-2424
10.1021/om3000357
[(1,3-Diarylallyl)Pd(PPh3)2]+ (Aryl = 4-(dimethylamino)phenyl)
*

E Param.: -14.46

*** Organometallics 2012, 31, 2416-2424
10.1021/om3000357
indolecarboxylate derived iminium ion
*
dichloromethane

E Param.: -9.50

** Angew. Chem. Int. Ed. 2009, 48, 5034-5037
10.1002/anie.200900933
2-cinnamoyl-1,3-dimethyl-1H-imidazol-3-ium
C14H15N2O *
DMSO

E Param.: -11.52

*** Angew. Chem. Int. Ed. 2012, 51, 5234-5238
10.1002/anie.201109042
(fur)(ani)CH+
C16H15O2 *

E Param.: -0.81

***** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(mfp)PhCH+
C13H10F *

E Param.: 6.23

***** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(tfm)PhCH+
C14H10F3 *

E Param.: 6.70

***** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(dfp)PhCH+
C13H9F2 *

E Param.: 6.74

***** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(mfp)2CH+
C13H9F2 *

E Param.: 6.87

***** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(dfp)(mfp)CH+
C13H8F3 *

E Param.: 7.52

***** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(tfm)2CH+
C15H9F6 *

E Param.: 7.96

** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(dfp)2CH+
C13H7F4 *

E Param.: 8.02

* J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(Ftol)2CH+
C15H13F2 *

E Param.: 5.24

***** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
PhCH=N+Me2 (in MeCN)
C9H12N *
MeCN

E Param.: -9.27

*** J. Am. Chem. Soc. 2013, 135, 6579-6587
10.1021/ja401106x
pTolCH=N+CH2 (in MeCN)
C10H14N *
MeCN

E Param.: -9.64

*** J. Am. Chem. Soc. 2013, 135, 6579-6587
10.1021/ja401106x
p-AniCH=N+Me2 (in MeCN)
C10H14NO *
MeCN

E Param.: -10.69

*** J. Am. Chem. Soc. 2013, 135, 6579-6587
10.1021/ja401106x
PhCH=N+(CH2)4 (in MeCN)
C11H14N *
MeCN

E Param.: -9.35

*** J. Am. Chem. Soc. 2013, 135, 6579-6587
10.1021/ja401106x
PhCH=N+(CH2)5 (in MeCN)
C12H16N *
MeCN

E Param.: -9.60

*** J. Am. Chem. Soc. 2013, 135, 6579-6587
10.1021/ja401106x
p-CF3-C6H4-CH=N+Me2 (in MeCN)
C10H11F3N *
MeCN

E Param.: -8.34

*** J. Am. Chem. Soc. 2013, 135, 6579-6587
10.1021/ja401106x
(S,E)-2,2,3-trimethyl-4-oxo-5-((perfluorophenyl)methyl)-1-((E)-3-phenylallylidene)imidazolidin-1-ium
C22H20F5N2O *
dichloromethane

E Param.: -6.00

** Angew. Chem. Int. Ed. 2013, 52, 7967-7971
10.1002/anie.201301864
(S,E)-2,2,3-trimethyl-4-oxo-1-((E)-3-phenylallylidene)-5-(3,4,5-trimethoxybenzyl)imidazolidin-1-ium
C25H31N2O4 *
dichloromethane

E Param.: -7.00

** Angew. Chem. Int. Ed. 2013, 52, 7967-7971
10.1002/anie.201301864
2,3-dichloro-5,6-dicyano-p-benzoquinone (DDQ)
C8Cl2N2O2 *
MeCN

E Param.: -3.66

*** J. Am. Chem. Soc. 2013, 135, 12377-12387
10.1021/ja405890d
maleic anhydride
C4H4O3 *
DMSO

E Param.: -11.31

*** Eur. J. Org. Chem. 2014, , 2956-2963
10.1002/ejoc.201301779
N-methyl maleimide
C5H7NO2 *
DMSO

E Param.: -14.07

*** Eur. J. Org. Chem. 2014, , 2956-2963
10.1002/ejoc.201301779
fumaronitrile
C4H2N2 *
DMSO

E Param.: -15.71

*** Eur. J. Org. Chem. 2014, , 2956-2963
10.1002/ejoc.201301779
diethyl fumarate
C8H12O4 *
DMSO

E Param.: -17.79

*** Eur. J. Org. Chem. 2014, , 2956-2963
10.1002/ejoc.201301779
diethyl maleate
C8H12O4 *
DMSO

E Param.: -19.49

*** Eur. J. Org. Chem. 2014, , 2956-2963
10.1002/ejoc.201301779
(S,E)-5-benzyl-2,2,3-trimethyl-1-((E)-3-(4-nitrophenyl)allylidene)-4-oxoimidazolidin-1-ium
C22H24N3O3 *
dichloromethane

E Param.: -5.90

** Asian J. Org. Chem. 2014, 3, 550-555
10.1002/ajoc.201402009
(S,E)-5-benzyl-1-((E)-3-(4-cyanophenyl)allylidene)-2,2,3-trimethyl-4-oxoimidazolidin-1-ium
C23H24N3O *
dichloromethane

E Param.: -6.00

** Asian J. Org. Chem. 2014, 3, 550-555
10.1002/ajoc.201402009
(S,E)-5-benzyl-1-((E)-3-(4-(dimethylamino)phenyl)allylidene)-2,2,3-trimethyl-4-oxoimidazolidin-1-ium
C24H30N3O *
dichloromethane

E Param.: -10.60

** Asian J. Org. Chem. 2014, 3, 550-555
10.1002/ajoc.201402009
(S,E)-5-benzyl-2,2,3-trimethyl-4-oxo-1-((E)-3-(p-tolyl)allylidene)imidazolidin-1-ium
C23H27N2O *
dichloromethane

E Param.: -7.20

** Asian J. Org. Chem. 2014, 3, 550-555
10.1002/ajoc.201402009
(S,E)-5-benzyl-1-((E)-3-(4-methoxyphenyl)allylidene)-2,2,3-trimethyl-4-oxoimidazolidin-1-ium
C23H27N2O2 *
dichloromethane

E Param.: -8.00

** Asian J. Org. Chem. 2014, 3, 550-555
10.1002/ajoc.201402009
(S,E)-5-benzyl-2,2,3-trimethyl-1-((E)-3-(3-nitrophenyl)allylidene)-4-oxoimidazolidin-1-ium
C22H24N3O3 *
dichloromethane

E Param.: -6.10

** Asian J. Org. Chem. 2014, 3, 550-555
10.1002/ajoc.201402009
(S,E)-5-((1H-indol-3-yl)methyl)-2,2,3-trimethyl-4-oxo-1-((E)-3-phenylallylidene)imidazolidin-1-ium
C24H26N3O *
dichloromethane

E Param.: -7.30

** Asian J. Org. Chem. 2014, 3, 550-555
10.1002/ajoc.201402009
(2S,5S)-5-benzyl-3-methyl-4-oxo-1-(3-phenylallylidene)-2-((E)-styryl)imidazolidin-1-ium
C28H27N2O *
dichloromethane

E Param.: -5.90

** Asian J. Org. Chem. 2014, 3, 550-555
10.1002/ajoc.201402009
p-quinone (C-H)
C6H4O2 *

E Param.: -16.19

** J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
2,5-dichloroquinone (C-H)
C6H2Cl2O2 *

E Param.: -12.28

*** J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
2,5-dichloroquinone (C-Cl)
C6H2Cl2O2 *

E Param.: -16.11

*** J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
p-chloranil (C=O)
C6Cl4O2 *

E Param.: -12.13

*** J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
p-chloranil (C-Cl)
C6Cl4O2 *

E Param.: -13.84

*** J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
p-fluoranil (C=O)
C6F4O2 *

E Param.: -9.37

*** J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
p-fluoranil (C-F)
C6F4O2 *

E Param.: -11.12

*** J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
o-chloranil (C=O)
C6Cl4O2 *

E Param.: -8.77

*** J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
o-chloranil (C-Cl)
C6Cl4O2 *

E Param.: -12.02

*** J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
3-benzylidene-1-methyl-3H-indol-1-ium ion
C16H14N *

E Param.: -1.80

*** J. Org. Chem. 2015, 80, 8643-8656
10.1021/acs.joc.5b01298
1-methyl-3-(4-methylbenzylidene)-3H-indol-1-ium ion
C17H16N *

E Param.: -2.19

*** J. Org. Chem. 2015, 80, 8643-8656
10.1021/acs.joc.5b01298
3-(4-methoxybenzylidene)-1-methyl-3H-indol-1-ium iom
C17H16NO *

E Param.: -3.02

*** J. Org. Chem. 2015, 80, 8643-8656
10.1021/acs.joc.5b01298
3-(4-(dimethylamino)benzylidene)-1-methyl-3H-indol-1-ium ion
C18H19N2 *

E Param.: -6.26

*** J. Org. Chem. 2015, 80, 8643-8656
10.1021/acs.joc.5b01298
1-methyl-3-((julolidin-9-yl)methylene)-3H-indol-1-ium ion
C22H23N2 *

E Param.: -7.79

*** J. Org. Chem. 2015, 80, 8643-8656
10.1021/acs.joc.5b01298
(E)-2-methyl-3-(4-methylbenzylidene)-3H-indol-1-ium ion
C17H16N *

E Param.: -5.15

*** J. Org. Chem. 2015, 80, 8643-8656
10.1021/acs.joc.5b01298
(E)-1,2-dimethyl-3-(4-methylbenzylidene)-3H-indol-1-ium ion
C18H18N *

E Param.: -5.05

*** J. Org. Chem. 2015, 80, 8643-8656
10.1021/acs.joc.5b01298
(E)-3-benzylidene-1,2-dimethyl-3H-indol-1-ium ion
C17H16N *

E Param.: -4.96

** J. Org. Chem. 2015, 80, 8643-8656
10.1021/acs.joc.5b01298
bis(1-methylindol-3-yl)methylium ion
C19H17N2 *

E Param.: -5.99

*** J. Org. Chem. 2015, 80, 8643-8656
10.1021/acs.joc.5b01298
bis(5-methoxy-1-methylindol-3-yl)methylium ion
C21H21N2O2 *

E Param.: -6.90

*** J. Org. Chem. 2015, 80, 8643-8656
10.1021/acs.joc.5b01298
bis(1,2-dimethylindol-3-yl)methylium ion
C21H21N2 *

E Param.: -10.23

*** J. Org. Chem. 2015, 80, 8643-8656
10.1021/acs.joc.5b01298
dibenzo[a,d]tropylium ion
C15H11 *
dichloromethane

E Param.: -0.63

- Liebigs Ann. 1995, , 2005-2009
10.1002/jlac.1995199[...]
ethenesulfonyl fluoride (ESF)
*
DMSO

E Param.: -12.09

*** Angew. Chem. Int. Ed. 2016, 55, 12664-12667
10.1002/anie.201601875
2-phenylethene-1-sulfonyl fluoride
C8H7FO2S *
DMSO

E Param.: -16.63

*** Angew. Chem. Int. Ed. 2016, 55, 12664-12667
10.1002/anie.201601875
(E)-2-(tert-butyl)-3-(4-methylbenzylidene)-3H-indol-1-ium
C20H22N+ *
dichloromethane

E Param.: -5.06

* Eur. J. Org. Chem. 2016, , 4050-4058
10.1002/ejoc.201600572
9-phenyl-9H-fluoren-9-ylium
C19H25 *
dichloromethane

E Param.: 2.41

*** Chem. Eur. J. 2017, 23, 623-630
10.1002/chem.201603963
9-(4-methoxyphenyl)-9H-fluoren-9-ylium
C20H27O *
dichloromethane

E Param.: 0.85

*** Chem. Eur. J. 2017, 23, 623-630
10.1002/chem.201603963
9-(4-(dimethylamino)phenyl)-9H-fluoren-9-ylium
C21H30N *
dichloromethane

E Param.: -4.51

*** Chem. Eur. J. 2017, 23, 623-630
10.1002/chem.201603963
(E)-4-phenylbut-3-en-2-one (in DMSO)
C10H10O *
DMSO

E Param.: -23.01

*** J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
cinnamonitrile (in DMSO)
C9H7N *
DMSO

E Param.: -24.60

* J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
methyl prop-2-enoate (in DMSO)
C4H6O2 *
DMSO

E Param.: -18.84

*** J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
ethyl prop-2-enoate (in DMSO)
C5H8O2 *
DMSO

E Param.: -19.07

*** J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
tert-butyl prop-2-enoate (in DMSO)
C7H12O2 *
DMSO

E Param.: -20.22

*** J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
N,N-dimethylprop-2-enamide (in DMSO)
C5H9NO *
DMSO

E Param.: -23.54

*** J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
ethenylsulfonylbenzene (in DMSO)
C8H8O2S *
DMSO

E Param.: -18.36

*** J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
acrylonitrile (in DMSO)
C3H3N *
DMSO

E Param.: -19.05

*** J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
but-3-en-2-one (in DMSO)
C4H6O *
DMSO

E Param.: -16.76

*** J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
1-phenylprop-2-en-1-one (in DMSO)
C9H8O *
DMSO

E Param.: -15.25

*** J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
ethyl 2-methylprop-2-enoate (in DMSO)
C6H10O2 *
DMSO

E Param.: -22.77

** J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
ethyl (E)-but-2-enoate (in DMSO)
C6H10O2 *
DMSO

E Param.: -23.59

** J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
ethyl cinnamate (in DMSO)
C11H12O2 *
DMSO

E Param.: -24.52

** J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
(E)-1-methyl-4-(styrylsulfonyl)benzene (in DMSO)
C15H14O2S *
DMSO

E Param.: -24.69

** J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
2-cinnamoyl-3-methyl-1-(perfluorophenyl)-1H-imidazol-3-ium
C19H12F5N2O *
DMSO

E Param.: -10.09

*** Top. Catal. 2018, 61, 585-590
10.1007/s11244-018-0[...]
1-(tert-butyl)-2-cinnamoyl-3-methyl-1H-imidazol-3-ium
C17H21N2O *
DMSO

E Param.: -11.80

*** Top. Catal. 2018, 61, 585-590
10.1007/s11244-018-0[...]
2-cinnamoyl-1-mesityl-3-methyl-1H-imidazol-3-ium
C22H23N2O *
DMSO

E Param.: -11.48

*** Top. Catal. 2018, 61, 585-590
10.1007/s11244-018-0[...]
2-cinnamoyl-1-(4-methoxyphenyl)-3-methyl-1H-imidazol-3-ium
C20H19N2O2 *
DMSO

E Param.: -11.79

*** Top. Catal. 2018, 61, 585-590
10.1007/s11244-018-0[...]
2-cinnamoyl-1-(2,6-dimethoxyphenyl)-3-methyl-1H-imidazol-3-ium
C21H21N2O3 *
DMSO

E Param.: -12.02

*** Top. Catal. 2018, 61, 585-590
10.1007/s11244-018-0[...]
cyclobutanone (in DMSO)
C4H6O *
DMSO

E Param.: -17.50

* J. Am. Chem. Soc. 2018, 140, 5500-5515
10.1021/jacs.8b01657
cyclopentanone (in DMSO)
C5H8O *
DMSO

E Param.: -21.00

* J. Am. Chem. Soc. 2018, 140, 5500-5515
10.1021/jacs.8b01657
cyclohexanone (in DMSO)
C6H10O *
DMSO

E Param.: -19.90

* J. Am. Chem. Soc. 2018, 140, 5500-5515
10.1021/jacs.8b01657
cycloheptanone (in DMSO)
C7H12O *
DMSO

E Param.: -22.10

* J. Am. Chem. Soc. 2018, 140, 5500-5515
10.1021/jacs.8b01657
1-methylpiperidin-4-one (in DMSO)
C6H11NO *
DMSO

E Param.: -18.40

* J. Am. Chem. Soc. 2018, 140, 5500-5515
10.1021/jacs.8b01657
oxan-4-one (in DMSO)
C5H8O2 *
DMSO

E Param.: -17.90

* J. Am. Chem. Soc. 2018, 140, 5500-5515
10.1021/jacs.8b01657
thian-4-one (in DMSO)
C5H8OS *
DMSO

E Param.: -16.90

* J. Am. Chem. Soc. 2018, 140, 5500-5515
10.1021/jacs.8b01657
1,4-dioxaspiro[4.5]decan-8-one (in DMSO)
C8H12O3 *
DMSO

E Param.: -18.20

* J. Am. Chem. Soc. 2018, 140, 5500-5515
10.1021/jacs.8b01657
pentan-2-one (in DMSO)
C5H10O *
DMSO

E Param.: -22.30

* J. Am. Chem. Soc. 2018, 140, 5500-5515
10.1021/jacs.8b01657
1-methylsulfanylpropan-2-one (in DMSO)
C4H8OS *
DMSO

E Param.: -15.60

* J. Am. Chem. Soc. 2018, 140, 5500-5515
10.1021/jacs.8b01657
N-(phenylsulfonyl)-N-((trifluoromethyl)thio)benzenesulfonamide
*

E Param.: -6.06

*** Angew. Chem. Int. Ed. 2018, 57, 12690-12695
10.1002/anie.201805859
N-fluoro-2,4,6-trimethylpyridinium tetrafluoroborate
*

E Param.: -10.46

*** J. Am. Chem. Soc. 2018, 140, 11474-11486
10.1021/jacs.8b07147
N-fluoro-2,6-dichloropyridinium tetrafluoroborate
*

E Param.: -5.29

*** J. Am. Chem. Soc. 2018, 140, 11474-11486
10.1021/jacs.8b07147
Selectfluor
C7H14ClFN2 *

E Param.: -5.20

*** J. Am. Chem. Soc. 2018, 140, 11474-11486
10.1021/jacs.8b07147
NFSI
C12H10FNO4S2 *
MeCN

E Param.: -8.44

*** J. Am. Chem. Soc. 2018, 140, 11474-11486
10.1021/jacs.8b07147
N-fluoropyridinium tetrafluoroborate
C5H5FN *

E Param.: -9.89

*** J. Am. Chem. Soc. 2018, 140, 11474-11486
10.1021/jacs.8b07147
N-(trifluoromethyl)thio)phthalimide
*

E Param.: -11.92

*** Angew. Chem. Int. Ed. 2018, 57, 12690-12695
10.1002/anie.201805859
N-(trifluoromethyl)thio)saccharin
*

E Param.: -6.48

*** Angew. Chem. Int. Ed. 2018, 57, 12690-12695
10.1002/anie.201805859
N-(trifluoromethyl)thio)succinimide
*

E Param.: -12.56

*** Angew. Chem. Int. Ed. 2018, 57, 12690-12695
10.1002/anie.201805859
N-(difluoromethyl)thio)phthalimide
*

E Param.: -11.86

*** Angew. Chem. Int. Ed. 2018, 57, 12690-12695
10.1002/anie.201805859
N-methyl-N-((trifluoromethyl)thio)-p-toluenesulfonamide
*

E Param.: -13.44

*** Angew. Chem. Int. Ed. 2018, 57, 12690-12695
10.1002/anie.201805859
N-methyl-N-((trifluoromethyl)thio)-aniline
*

E Param.: -23.32

* Angew. Chem. Int. Ed. 2018, 57, 12690-12695
10.1002/anie.201805859
((2-phenylpropan-2-yl)oxy)(trifluoromethyl)sulfane
*

E Param.: -13.77

*** Angew. Chem. Int. Ed. 2018, 57, 12690-12695
10.1002/anie.201805859
((2-(2-iodophenyl)propan-2-yl)oxy)(trifluoromethyl)sulfane
*

E Param.: -14.52

*** Angew. Chem. Int. Ed. 2018, 57, 12690-12695
10.1002/anie.201805859
3-methylcyclopentenone
C6H8O *
DMSO

E Param.: -28.90

* Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
2-methylcyclopentenone
C6H8O *
DMSO

E Param.: -22.10

*** Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
cyclopentenone
C5H6O *
DMSO

E Param.: -20.60

*** Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
furan-2(5H)-one
C4H4O2 *
DMSO

E Param.: -20.70

*** Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
2-methylcyclohexenone
C7H10O *
DMSO

E Param.: -27.50

* Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
cyclohexenone
C6H8O *
DMSO

E Param.: -22.10

*** Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
dihydro-2H-pyran-2-one
C5H6O2 *
DMSO

E Param.: -21.80

** Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
3-methylenetetrahydropyran-2-one
C6H8O2 *
DMSO

E Param.: -19.50

*** Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
3-methylenedihydrofuranone
C5H6O2 *
DMSO

E Param.: -19.40

*** Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
(E)-2,6-di-tert-butyl-4-(3-phenylallylidene)cyclohexa-2,5-dien-1-one
C23H28O *
DMSO

E Param.: -17.00

*** Org. Lett. 2020, 22, 2182-2186
10.1021/acs.orglett.[...]
E)-2,6-di-tert-butyl-4-(3-(4-chlorophenyl)allylidene)cyclohexa-2,5-dien-1-one
C23H27ClO *
DMSO

E Param.: -16.84

*** Org. Lett. 2020, 22, 2182-2186
10.1021/acs.orglett.[...]
(E)-2,6-di-tert-butyl-4-(3-(4-nitrophenyl)allylidene)cyclohexa-2,5-dien-1-one
C23H27NO3 *
DMSO

E Param.: -16.25

*** Org. Lett. 2020, 22, 2182-2186
10.1021/acs.orglett.[...]
(E)-2,6-di-tert-butyl-4-(3-(4-methoxyphenyl)allylidene)cyclohexa-2,5-dien-1-one
C24H30O2 *
DMSO

E Param.: -17.42

*** Org. Lett. 2020, 22, 2182-2186
10.1021/acs.orglett.[...]
2,6-di-tert-butyl-4-(2,2,2-trifluoroethylidene)cyclohexa-2,5-dien-1-one
C16H21F3O *
DMSO

E Param.: -11.68

*** Eur. J. Org. Chem. 2020, , 3812-3817
10.1002/ejoc.202000295
ethyl 3-nitro-1H-indole-1-carboxylate
C11H10N2O4 *

E Param.: -14.10

** Chem. Commun. 2021, 57, 10071-10074
10.1039/d1cc04074j
3-nitro-1-tosyl-1H-indole
C15H12N2O4S *

E Param.: -14.87

*** Chem. Commun. 2021, 57, 10071-10074
10.1039/d1cc04074j
4-bromo-3-nitro-1-tosyl-1H-indole
C15H11BrN2O4S *

E Param.: -14.60

** Chem. Commun. 2021, 57, 10071-10074
10.1039/d1cc04074j
phenyl isocyanate
C7H5NO *
MeCN

E Param.: -15.38

*** J. Am. Chem. Soc. 2020, 142, 8383-8402
10.1021/jacs.0c01960
p-tosyl isocyanate
C8H7NO3S *
MeCN

E Param.: -7.69

*** J. Am. Chem. Soc. 2020, 142, 8383-8402
10.1021/jacs.0c01960
phenyl isothiocyanate
C7H5NS *
DMSO

E Param.: -18.15

*** J. Am. Chem. Soc. 2020, 142, 8383-8402
10.1021/jacs.0c01960
p-nitrophenyl isothiocyanate
C7H4N2O2S *
DMSO

E Param.: -15.89

*** J. Am. Chem. Soc. 2020, 142, 8383-8402
10.1021/jacs.0c01960
diphenylcarbodiimide
C13H10N2 *
DMSO

E Param.: -20.14

*** J. Am. Chem. Soc. 2020, 142, 8383-8402
10.1021/jacs.0c01960
carbon disulfide
CS2 *
DMSO

E Param.: -17.70

*** J. Am. Chem. Soc. 2020, 142, 8383-8402
10.1021/jacs.0c01960
3-methylcyclohexenone
C7H10O *
DMSO

E Param.: -29.60

* Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
3,6-dinitro-1-tosyl-1H-indole
*

E Param.: -12.90

*** Chem. Commun. 2021, 57, 10071-10074
10.1039/d1cc04074j
4-phenylbut-3-yn-2-one
C10H8O *

E Param.: -16.90

- Angew. Chem. Int. Ed. 2019, 58, 17704-17708
10.1002/anie.201909803
hex-3-yn-2-one
C6H8O *

E Param.: -17.90

- Angew. Chem. Int. Ed. 2019, 58, 17704-17708
10.1002/anie.201909803
cycloheptenone
C7H10O *
DMSO

E Param.: -22.00

*** Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
methyl diazoacetate
C3H4N2O2 *

E Param.: -18.50

*** Chem. Eur. J. 2022, 28, e202201376
10.1002/chem.202201376
dimethyl diazomalonate
C5H6N2O4 *

E Param.: -18.20

*** Chem. Eur. J. 2022, 28, e202201376
10.1002/chem.202201376
(p-nitrophenyl)diazomethane
C7H5N3O2 *

E Param.: -18.30

*** Chem. Eur. J. 2022, 28, e202201376
10.1002/chem.202201376
diphenyldiazomethane
C13H10N2 *

E Param.: -21.40

- Chem. Eur. J. 2022, 28, e202201376
10.1002/chem.202201376
butynone
C4H4O *

E Param.: -16.60

- Angew. Chem. Int. Ed. 2019, 58, 17704-17708
10.1002/anie.201909803
Umemoto I (triflate)
*

E Param.: -13.08

*** Eur. J. Org. Chem. 2024, 27, e202400085
10.1002/ejoc.202400085
Umemoto I (tetrafluoroborate)
*

E Param.: -13.39

*** Eur. J. Org. Chem. 2024, 27, e202400085
10.1002/ejoc.202400085
Umemoto II (triflate)
*

E Param.: -12.80

*** Eur. J. Org. Chem. 2024, 27, e202400085
10.1002/ejoc.202400085
(E)-6-(4-nitrobenzylidene)benzo[d][1,3]dioxol-5(6H)-one
C14H9NO5 *

E Param.: -13.15

*** Chem. Eur. J. 2025, 31, e202403785
10.1002/chem.202403785
(E)-6-(4-(trifluoromethyl)benzylidene)benzo[d][1,3]dioxol-5(6H)-one
C15H9F3O3 *

E Param.: -13.54

*** Chem. Eur. J. 2025, 31, e202403785
10.1002/chem.202403785
(E)-6-(3-fluorobenzylidene)benzo[d][1,3]dioxol-5(6H)-one
C14H9FO3 *

E Param.: -14.00

*** Chem. Eur. J. 2025, 31, e202403785
10.1002/chem.202403785
(E)-6-(4-chlorobenzylidene)benzo[d][1,3]dioxol-5(6H)-one
C14H9ClO3 *

E Param.: -13.99

*** Chem. Eur. J. 2025, 31, e202403785
10.1002/chem.202403785
(E)-6-benzylidenebenzo[d][1,3]dioxol-5(6H)-one
C14H10O3 *

E Param.: -14.47

*** Chem. Eur. J. 2025, 31, e202403785
10.1002/chem.202403785
(E)-6-(4-methylbenzylidene)benzo[d][1,3]dioxol-5(6H)-one
C15H12O3 *

E Param.: -14.85

*** Chem. Eur. J. 2025, 31, e202403785
10.1002/chem.202403785
(E)-6-(4-methoxybenzylidene)benzo[d][1,3]dioxol-5(6H)-one
C15H12O4 *

E Param.: -15.20

*** Chem. Eur. J. 2025, 31, e202403785
10.1002/chem.202403785
(E)-6-(4-(dimethylamino)benzylidene)benzo[d][1,3]dioxol-5(6H)-one
C16H15NO3 *

E Param.: -16.07

*** Chem. Eur. J. 2025, 31, e202403785
10.1002/chem.202403785
(E)-6-(furan-2-ylmethylene)benzo[d][1,3]dioxol-5(6H)-one
C12H8O4 *

E Param.: -15.73

*** Org. Biomol. Chem. 2025, 23, 827-834
10.1039/D4OB01855A
(E)-6-((1-methyl-1H-pyrrol-2-yl)methylene)benzo[d][1,3]dioxol-5(6H)-one
C13H11NO3 *

E Param.: -17.03

*** Org. Biomol. Chem. 2025, 23, 827-834
10.1039/D4OB01855A
(E)-6-((1-methyl-1H-indol-2-yl)methylene)benzo[d][1,3]dioxol-5(6H)-one
C17H13NO3 *

E Param.: -15.55

*** Org. Biomol. Chem. 2025, 23, 827-834
10.1039/D4OB01855A
(E)-6-((E)-3-phenylallylidene)benzo[d][1,3]dioxol-5(6H)-one
C16H12O3 *

E Param.: -16.00

*** Org. Biomol. Chem. 2025, 23, 827-834
10.1039/D4OB01855A
2,6-di-tert-butyl-4-methylenecyclohexa-2,5-dien-1-one
C15H22O *

E Param.: -11.17

*** Chem. Eur. J. 2025, 31, e202501224
10.1002/chem.202501224
2,6-di-tert-butyl-4-(methoxymethylene)cyclohexa-2,5-dien-1-one
C16H24O2 *

E Param.: -15.10

*** Chem. Eur. J. 2025, 31, e202501224
10.1002/chem.202501224
2-(3,5-di-tert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)acetonitrile
C16H21NO *

E Param.: -11.88

*** Chem. Eur. J. 2025, 31, e202501224
10.1002/chem.202501224
ethyl 2-(3,5-di-tert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)acetate
C18H26O3 *

E Param.: -12.01

*** Chem. Eur. J. 2025, 31, e202501224
10.1002/chem.202501224
2,6-di-tert-butyl-4-ethylidenecyclohexa-2,5-dien-1-one
C16H24O *

E Param.: -13.68

*** Chem. Eur. J. 2025, 31, e202501224
10.1002/chem.202501224
4-benzylidene-2,6-di-tert-butylcyclohexa-2,5-dien-1-one
C21H26O *

E Param.: -15.58

*** Chem. Eur. J. 2025, 31, e202501224
10.1002/chem.202501224
Me2C=C=N(+)Me2
*

E Param.: -2.80

- Synthesis 2025, 57, 3251-3262
10.1055/a-2649-1999
Ph2C=C=N(+)Me2
*

E Param.: -1.90

- Synthesis 2025, 57, 3251-3262
10.1055/a-2649-1999
(E)-10-(4-methoxybenzylidene)phenanthren-9(10H)-one
C22H16O2 *

E Param.: -15.93

*** J. Phys. Org. Chem. 2026, 39, e70061
10.1002/poc.70061
(E)-2-(4-methoxybenzylidene)acenaphthylen-1(2H)-one
C20H14O2 *

E Param.: -18.72

*** J. Phys. Org. Chem. 2026, 39, e70061
10.1002/poc.70061