Mayr's Database of Reactivity Parameters

Electrophiles

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 Found 367 molecules, displaying page 6 of 8 Results per page 10|50|100|all
Name Solvent Reactivity
Parameters 		Classification Reference
(title or year)
4-cyano-6-nitro-benzofuroxane
C7H2N4O4*

E Param.: -6.41

***J. Org. Chem. 2005, 70, 6242-6253
10.1021/jo0505526
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-phenyl-propyn-1-ylium-Co2(CO)5(PPh3)
*

E Param.: -6.19

***Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
4-nitrobenzodifuroxan (NBDF)
C6HN5O6*

E Param.: -6.15

***Chem. Eur. J. 2007, 13, 8317-8324
10.1002/chem.200700676
(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
N-(phenylsulfonyl)-N-((trifluoromethyl)thio)benzenesulfonamide
*

E Param.: -6.06

***Angew. Chem. Int. Ed. 2018, 57, 12690-12695
10.1002/anie.201805859
(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)-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
bis(1-methylindol-3-yl)methylium ion
C19H17N2*

E Param.: -5.99

***J. Org. Chem. 2015, 80, 8643-8656
10.1021/acs.joc.5b01298
2-phenyl-1,3-dithiolan-2-ylium ion
C9H9S2*

E Param.: -5.91

***Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
(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
(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
(mpa)2CH+
C27H25N2*

E Param.: -5.89

*****J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
4-aza-6-nitrobenzofuroxan
C5H2N4O4*

E Param.: -5.86

***J. Org. Chem. 2005, 70, 6242-6253
10.1021/jo0505526
Vilsmeier ion
C3H7ClN*

E Param.: -5.77

*Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
(mor)2CH+
C21H25N2O2*

E Param.: -5.53

*****J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
MacMillan-iminium ion (2nd generation)
*
 MeCN

E Param.: -5.52

***Angew. Chem. Int. Ed. 2011, 50, 9953-9956
10.1002/anie.201103683
4,6-dinitrobenzofurazan
C6H2N4O5*

E Param.: -5.46

***J. Org. Chem. 2005, 70, 6242-6253
10.1021/jo0505526
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
methyl(phenyl)methyleneammonium ion
C8H10N*

E Param.: -5.17

*Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
(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
4,6-dinitrobenzofuroxan
C6H2N4O6*

E Param.: -5.06

***J. Org. Chem. 2006, 71, 9088-9095
10.1021/jo0614339
(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
(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
2-(4-methoxyphenyl)chromenylium ion
C16H13O2*

E Param.: -4.95

***Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
4-nitro-6-(trifluoromethylsulfonyl)benzofuroxan
C7H2F3N3O6S*

E Param.: -4.91

***J. Org. Chem. 2005, 70, 6242-6253
10.1021/jo0505526
(dpa)2CH+
C37H29N2*

E Param.: -4.72

*****J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
4,6-dinitrotetrazolopyridine
C5H2N6O4*

E Param.: -4.67

***J. Org. Chem. 2005, 70, 6242-6253
10.1021/jo0505526
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
(4-MeO)3-tritylium ion
*

E Param.: -4.35

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(mfa)2CH+
C19H19F6N2*

E Param.: -3.85

*****J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
tropylium ion
C7H7*

E Param.: -3.72

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

E Param.: -3.49

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

E Param.: -3.45

***Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
(pfa)2CH+
C29H23F6N2*

E Param.: -3.14

*****J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(4-MeO)2-tritylium ion
*

E Param.: -3.04

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
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
fc(ani)CH+
C18H17FeO*

E Param.: -2.90

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

E Param.: -2.67

***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(Me)CH+
C12H13Fe*

E Param.: -2.57

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

E Param.: -2.14

***Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
(4-MeO,4-Me)-tritylium ion
*

E Param.: -2.13

-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
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
(4-MeO,3-OMe)-tritylium ion
*

E Param.: -1.62

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y