Mayr's Database of Reactivity Parameters

Quinone Methides

For reactivities of structurally related compounds go to: Electrophiles » C-Electrophiles » Acceptor-Substituted Ethylenes
1 | 2 « Back Found 31 molecules, displaying page 1 of 2 Results per page 10|50|100|all
Name Solvent Reactivity
Parameters 		Classification Reference
(title or year)
jul(t-Bu)2QM
*

E Param.: -17.90

****Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
(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.[...]
dma(t-Bu)2QM
*

E Param.: -17.29

****Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
2,6-dimethoxy-4-(4-(dimethylamino)benzylidene)cyclohexa-2,5-dienone
C17H19NO3*

E Param.: -17.18

***Eur. J. Org. Chem. 2009, , 3203-3211
10.1002/ejoc.200900299
(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)-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.[...]
2,6-dimethoxy-4-(4-methoxybenzylidene)cyclohexa-2,5-dienone
C16H16O4*

E Param.: -16.38

***Eur. J. Org. Chem. 2009, , 3203-3211
10.1002/ejoc.200900299
2,6-dimethyl-4-(4-(dimethylamino)benzylidene)cyclohexa-2,5-dienone
C17H19NO*

E Param.: -16.36

***Eur. J. Org. Chem. 2009, , 3203-3211
10.1002/ejoc.200900299
(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.[...]
ani(t-Bu)2QM
*

E Param.: -16.11

****Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
(E)-6-(4-(dimethylamino)benzylidene)benzo[d][1,3]dioxol-5(6H)-one
C16H15NO3*

E Param.: -16.07

***Chem. Eur. J. 2024, , e202403785
10.1002/chem.202403785
(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
tol(t-Bu)2QM
C22H28O*

E Param.: -15.83

****Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
(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-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-(4-methoxybenzylidene)benzo[d][1,3]dioxol-5(6H)-one
C15H12O4*

E Param.: -15.20

***Chem. Eur. J. 2024, , e202403785
10.1002/chem.202403785
2,6-di-tert.butyl-4-(3-fluorobenzylidene)cyclohexa-2,5-dienone
C21H25FO*

E Param.: -15.03

***Eur. J. Org. Chem. 2009, , 3203-3211
10.1002/ejoc.200900299
(E)-6-(4-methylbenzylidene)benzo[d][1,3]dioxol-5(6H)-one
C15H12O3*

E Param.: -14.85

***Chem. Eur. J. 2024, , e202403785
10.1002/chem.202403785
2,6-di-tert.butyl-4-(3,5-difluorobenzylidene)cyclohexa-2,5-dienone
C21H24F2O*

E Param.: -14.50

***Eur. J. Org. Chem. 2009, , 3203-3211
10.1002/ejoc.200900299