Mayr's Database of Reactivity Parameters

Acceptor-Substituted Ethylenes

For reactivities of structurally related compounds go to: Electrophiles » C-Electrophiles
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Name Solvent Reactivity
Parameters 		Classification Reference
(title or year)
2-cinnamoyl-3-methyl-1-(perfluorophenyl)-1H-imidazol-3-ium
C19H12F5N2O*
 DMSO

E Param.: -10.09

***Top. Catal. 2018, 61, 585-590
10.1007/s11244-018-0[...]
1-(tert-butyl)-2-cinnamoyl-3-methyl-1H-imidazol-3-ium
C17H21N2O*
 DMSO

E Param.: -11.80

***Top. Catal. 2018, 61, 585-590
10.1007/s11244-018-0[...]
2-cinnamoyl-1-mesityl-3-methyl-1H-imidazol-3-ium
C22H23N2O*
 DMSO

E Param.: -11.48

***Top. Catal. 2018, 61, 585-590
10.1007/s11244-018-0[...]
2-cinnamoyl-1-(4-methoxyphenyl)-3-methyl-1H-imidazol-3-ium
C20H19N2O2*
 DMSO

E Param.: -11.79

***Top. Catal. 2018, 61, 585-590
10.1007/s11244-018-0[...]
2-cinnamoyl-1-(2,6-dimethoxyphenyl)-3-methyl-1H-imidazol-3-ium
C21H21N2O3*
 DMSO

E Param.: -12.02

***Top. Catal. 2018, 61, 585-590
10.1007/s11244-018-0[...]
(E)-2,6-di-tert-butyl-4-(3-phenylallylidene)cyclohexa-2,5-dien-1-one
C23H28O*
 DMSO

E Param.: -17.00

***Org. Lett. 2020, 22, 2182-2186
10.1021/acs.orglett.[...]
E)-2,6-di-tert-butyl-4-(3-(4-chlorophenyl)allylidene)cyclohexa-2,5-dien-1-one
C23H27ClO*
 DMSO

E Param.: -16.84

***Org. Lett. 2020, 22, 2182-2186
10.1021/acs.orglett.[...]
(E)-2,6-di-tert-butyl-4-(3-(4-nitrophenyl)allylidene)cyclohexa-2,5-dien-1-one
C23H27NO3*
 DMSO

E Param.: -16.25

***Org. Lett. 2020, 22, 2182-2186
10.1021/acs.orglett.[...]
(E)-2,6-di-tert-butyl-4-(3-(4-methoxyphenyl)allylidene)cyclohexa-2,5-dien-1-one
C24H30O2*
 DMSO

E Param.: -17.42

***Org. Lett. 2020, 22, 2182-2186
10.1021/acs.orglett.[...]
2-(p-(dimethylamino)benzylidene)-indan-1,3-dione
C18H15NO2*

E Param.: -13.56

***Org. Biomol. Chem. 2007, 5, 3020-3026
10.1039/b708025e
2-(p-methoxybenzylidene)-indan-1,3-dione
C17H12O3*

E Param.: -11.32

***Org. Biomol. Chem. 2007, 5, 3020-3026
10.1039/b708025e
2-benzylidene-indan-1,3-dione
C16H10O2*

E Param.: -10.11

***Org. Biomol. Chem. 2007, 5, 3020-3026
10.1039/b708025e
jul-indan-1,3-dione
C22H19NO2*

E Param.: -14.68

***Org. Biomol. Chem. 2007, 5, 3020-3026
10.1039/b708025e
(E)-6-(furan-2-ylmethylene)benzo[d][1,3]dioxol-5(6H)-one
C12H8O4*

E Param.: -15.73

***Org. Biomol. Chem. 2025, 23, 827-834
10.1039/D4OB01855A
(E)-6-((1-methyl-1H-pyrrol-2-yl)methylene)benzo[d][1,3]dioxol-5(6H)-one
C13H11NO3*

E Param.: -17.03

***Org. Biomol. Chem. 2025, 23, 827-834
10.1039/D4OB01855A
(E)-6-((1-methyl-1H-indol-2-yl)methylene)benzo[d][1,3]dioxol-5(6H)-one
C17H13NO3*

E Param.: -15.55

***Org. Biomol. Chem. 2025, 23, 827-834
10.1039/D4OB01855A
(E)-6-((E)-3-phenylallylidene)benzo[d][1,3]dioxol-5(6H)-one
C16H12O3*

E Param.: -16.00

***Org. Biomol. Chem. 2025, 23, 827-834
10.1039/D4OB01855A
benzylidenemalononitrile
C10H6N2*

E Param.: -9.42

***J. Org. Chem. 2003, 68, 6880-6886
10.1021/jo0344182
p-(methoxy)benzylidenemalononitrile
C11H8N2O*

E Param.: -10.80

***J. Org. Chem. 2003, 68, 6880-6886
10.1021/jo0344182
p-(dimethylamino)benzylidenemalononitrile
C12H11N3*

E Param.: -13.30

***J. Org. Chem. 2003, 68, 6880-6886
10.1021/jo0344182