Mayr's Database of Reactivity Parameters

Carbocations

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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
(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
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
tropylium ion
C7H7 *

E Param.: -3.72, Deviation: ±0.03

*** 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
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
tritylium ion (Ph3C+)
C19H15 *

E Param.: 0.51

- J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(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
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
cumyl cation
*

E Param.: 5.74

*** Macromolecules 2010, 43, 1719-1723
10.1021/ma9024569
(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
(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
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
indolecarboxylate derived iminium ion
*
dichloromethane

E Param.: -9.50

** Angew. Chem. Int. Ed. 2009, 48, 5034-5037
10.1002/anie.200900933
(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
(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
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[...]
(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
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