Mayr's Database of Reactivity Parameters

Carbocations

For reactivities of structurally related compounds go to: Electrophiles » C-Electrophiles
1 | 2 | 3 | 4 | 5 | 6 | 7 Found 132 molecules, displaying page 3 of 7 Results per page 10|50|100|all
Name Solvent Reactivity
Parameters 		Classification Reference
(title or year)
(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)-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
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
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
(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
(dpa)2CH+
C37H29N2*

E Param.: -4.72

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