Mayr's Database of Reactivity Parameters

N-substituted carbocations (iminium ions)

For reactivities of structurally related compounds go to: Electrophiles » C-Electrophiles » Carbocations
« Back Forward » Found 31 molecules, displaying page 1 of 1 Results per page 10|50|100|all
Name Solvent Reactivity
Parameters 		Classification Reference
(title or year)
N-ethylidenecarbazolium ion
C14H12N*

E Param.: 2.41

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

E Param.: -7.15

***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
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
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
(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
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