Mayr's Database of Reactivity Parameters

Carbocations

For reactivities of structurally related compounds go to: Electrophiles » C-Electrophiles
1 | 2 | 3 Found 134 molecules, displaying page 2 of 3 Results per page 10|50|100|all
Name Solvent Reactivity
Parameters 		Classification Reference
(title or year)
(ani)2CH+
C15H15O2*

E Param.: 0.00

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

E Param.: -0.13

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
dibenzo[a,d]tropylium ion
C15H11*
 dichloromethane

E Param.: -0.63

-Liebigs Ann. 1995, , 2005-2009
10.1002/jlac.1995199[...]
(4-Me)2-tritylium ion
*

E Param.: -0.70

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(fur)(ani)CH+
C16H15O2*

E Param.: -0.81

*****J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(4-Me)3-tritylium ion
*

E Param.: -1.21

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(fur)2CH+
C17H15O2*

E Param.: -1.36

*****J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
di-p-anisyl-allylium ion
*

E Param.: -1.45

***J. Org. Chem. 2011, 76, 9391-9408
10.1021/jo201668w
(4-MeO)-tritylium ion
*

E Param.: -1.59

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

E Param.: -1.62

-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-OMe,3-Me)-tritylium ion
*

E Param.: -1.84

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
Ph2C=C=N(+)Me2
*

E Param.: -1.90

-Synthesis 2025, 57, 3251-3262
10.1055/a-2649-1999
(4-MeO,4-Me)-tritylium ion
*

E Param.: -2.13

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
1,3-dithianylium ion
C4H7S2*

E Param.: -2.14

***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
1,1-dianisyl-3-phenylallylium ion
C23H21O2*

E Param.: -2.67

***Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
Me2C=C=N(+)Me2
*

E Param.: -2.80

-Synthesis 2025, 57, 3251-3262
10.1055/a-2649-1999
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
(4-MeO)2-tritylium ion
*

E Param.: -3.04

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(pfa)2CH+
C29H23F6N2*

E Param.: -3.14

*****J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
flavylium ion
C15H11O*

E Param.: -3.45

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

E Param.: -3.72

***Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
(mfa)2CH+
C19H19F6N2*

E Param.: -3.85

*****J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(4-MeO)3-tritylium ion
*

E Param.: -4.35

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
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
(dpa)2CH+
C37H29N2*

E Param.: -4.72

*****J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
2-(4-methoxyphenyl)chromenylium ion
C16H13O2*

E Param.: -4.95

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

E Param.: -5.17

*Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
MacMillan-iminium ion (2nd generation)
*
 MeCN

E Param.: -5.52

***Angew. Chem. Int. Ed. 2011, 50, 9953-9956
10.1002/anie.201103683
(mor)2CH+
C21H25N2O2*

E Param.: -5.53

*****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
(mpa)2CH+
C27H25N2*

E Param.: -5.89

*****J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(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
2-phenyl-1,3-dithiolan-2-ylium ion
C9H9S2*

E Param.: -5.91

***Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
bis(1-methylindol-3-yl)methylium ion
C19H17N2*

E Param.: -5.99

***J. Org. Chem. 2015, 80, 8643-8656
10.1021/acs.joc.5b01298
(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
(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
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
2-phenyl-1,3-dithianylium ion
C10H11S2*

E Param.: -6.43

***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
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
(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
(dma)2CH+
C17H21N2*

E Param.: -7.02

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