Mayr's Database of Reactivity Parameters

C-Electrophiles

For reactivities of structurally related compounds go to: Electrophiles
1 | 2 | 3 | 4 Found 348 molecules, displaying page 3 of 4 Results per page 10|50|100|all
Name Solvent Reactivity
Parameters 		Classification Reference
(title or year)
p-(dimethylamino)benzylidene Meldrum's acid
C15H17NO4*

E Param.: -12.76

***J. Org. Chem. 2008, 73, 2738-2745
10.1021/jo702590s
jul Meldrum's acid
C19H21NO4*

E Param.: -13.97

***J. Org. Chem. 2008, 73, 2738-2745
10.1021/jo702590s
diethyl benzylidene malonate
C14H16O4*

E Param.: -20.55

***Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
diethyl 4-nitrobenzylidene malonate
C14H15NO6*

E Param.: -17.67

***Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
diethyl 4-cyano-benzylidene malonate
C15H15NO4*

E Param.: -18.06

***Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
diethyl 3-chloro-benzylidene malonate
C14H15ClO4*

E Param.: -18.98

***Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
diethyl 4-methyl-benzylidene malonate
C15H18O4*

E Param.: -21.11

***Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
diethyl 4-methoxy-benzylidene malonate
C15H18O5*

E Param.: -21.47

***Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
diethyl 4-(dimethylamino)benzylidene malonate
C16H21NO4*

E Param.: -23.10

***Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
diethyl 2-((1-methyl-1,2,3,4-tetrahydroquinolin-6-yl)methylene)malonate
C18H23NO4*

E Param.: -23.40

*Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
diethyl 2-((julolidine-9-yl)methylene)malonate
C20H25NO4*

E Param.: -23.80

*Chem. Eur. J. 2008, 14, 9675-9682
10.1002/chem.200801277
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
mor iminium
C13H16NO+*

E Param.: -8.60

***Angew. Chem. Int. Ed. 2008, 47, 8723-8726
10.1002/anie.200802889
2,6-diphenyl-4-benzylidenecyclohexa-2,5-dienone
C25H18O*

E Param.: -11.87

***Eur. J. Org. Chem. 2009, , 3203-3211
10.1002/ejoc.200900299
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-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
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
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
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
2,6-di-tert.butyl-4-(4-nitrobenzylidene)cyclohexa-2,5-dienone
C21H25NO3*

E Param.: -14.36

***Eur. J. Org. Chem. 2009, , 3203-3211
10.1002/ejoc.200900299
(fur)(ani)CH+
C16H15O2*

E Param.: -0.81

*****J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(mfp)PhCH+
C13H10F*

E Param.: 6.23

*****J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(tfm)PhCH+
C14H10F3*

E Param.: 6.70

*****J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(dfp)PhCH+
C13H9F2*

E Param.: 6.74

*****J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(mfp)2CH+
C13H9F2*

E Param.: 6.87

*****J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(dfp)(mfp)CH+
C13H8F3*

E Param.: 7.52

*****J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(tfm)2CH+
C15H9F6*

E Param.: 7.96

**J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(dfp)2CH+
C13H7F4*

E Param.: 8.02

*J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(Ftol)2CH+
C15H13F2*

E Param.: 5.24

*****J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
p-quinone (C-H)
C6H4O2*

E Param.: -16.19

**J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
2,5-dichloroquinone (C-H)
C6H2Cl2O2*

E Param.: -12.28

***J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
2,5-dichloroquinone (C-Cl)
C6H2Cl2O2*

E Param.: -16.11

***J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
p-chloranil (C=O)
C6Cl4O2*

E Param.: -12.13

***J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
p-chloranil (C-Cl)
C6Cl4O2*

E Param.: -13.84

***J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
p-fluoranil (C=O)
C6F4O2*

E Param.: -9.37

***J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
p-fluoranil (C-F)
C6F4O2*

E Param.: -11.12

***J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
o-chloranil (C=O)
C6Cl4O2*

E Param.: -8.77

***J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
o-chloranil (C-Cl)
C6Cl4O2*

E Param.: -12.02

***J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
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
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
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
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
1-methyl-3-((julolidin-9-yl)methylene)-3H-indol-1-ium ion
C22H23N2*

E Param.: -7.79

***J. Org. Chem. 2015, 80, 8643-8656
10.1021/acs.joc.5b01298
(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)-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
bis(1-methylindol-3-yl)methylium ion
C19H17N2*

E Param.: -5.99

***J. Org. Chem. 2015, 80, 8643-8656
10.1021/acs.joc.5b01298
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
bis(1,2-dimethylindol-3-yl)methylium ion
C21H21N2*

E Param.: -10.23

***J. Org. Chem. 2015, 80, 8643-8656
10.1021/acs.joc.5b01298
ethyl 3-nitro-1H-indole-1-carboxylate
C11H10N2O4*

E Param.: -14.10

**Chem. Commun. 2021, 57, 10071-10074
10.1039/d1cc04074j
3-nitro-1-tosyl-1H-indole
C15H12N2O4S*

E Param.: -14.87

***Chem. Commun. 2021, 57, 10071-10074
10.1039/d1cc04074j
4-bromo-3-nitro-1-tosyl-1H-indole
C15H11BrN2O4S*

E Param.: -14.60

**Chem. Commun. 2021, 57, 10071-10074
10.1039/d1cc04074j
3,6-dinitro-1-tosyl-1H-indole
*

E Param.: -12.90

***Chem. Commun. 2021, 57, 10071-10074
10.1039/d1cc04074j
4-phenylbut-3-yn-2-one
C10H8O*

E Param.: -16.90

-Angew. Chem. Int. Ed. 2019, 58, 17704-17708
10.1002/anie.201909803
hex-3-yn-2-one
C6H8O*

E Param.: -17.90

-Angew. Chem. Int. Ed. 2019, 58, 17704-17708
10.1002/anie.201909803
butynone
C4H4O*

E Param.: -16.60

-Angew. Chem. Int. Ed. 2019, 58, 17704-17708
10.1002/anie.201909803
Umemoto I (triflate)
*

E Param.: -13.08

***Eur. J. Org. Chem. 2024, 27, e202400085
10.1002/ejoc.202400085
Umemoto I (tetrafluoroborate)
*

E Param.: -13.39

***Eur. J. Org. Chem. 2024, 27, e202400085
10.1002/ejoc.202400085
Umemoto II (triflate)
*

E Param.: -12.80

***Eur. J. Org. Chem. 2024, 27, e202400085
10.1002/ejoc.202400085
(E)-6-(4-nitrobenzylidene)benzo[d][1,3]dioxol-5(6H)-one
C14H9NO5*

E Param.: -13.15

***Chem. Eur. J. 2025, 31, e202403785
10.1002/chem.202403785
(E)-6-(4-(trifluoromethyl)benzylidene)benzo[d][1,3]dioxol-5(6H)-one
C15H9F3O3*

E Param.: -13.54

***Chem. Eur. J. 2025, 31, e202403785
10.1002/chem.202403785
(E)-6-(3-fluorobenzylidene)benzo[d][1,3]dioxol-5(6H)-one
C14H9FO3*

E Param.: -14.00

***Chem. Eur. J. 2025, 31, e202403785
10.1002/chem.202403785
(E)-6-(4-chlorobenzylidene)benzo[d][1,3]dioxol-5(6H)-one
C14H9ClO3*

E Param.: -13.99

***Chem. Eur. J. 2025, 31, e202403785
10.1002/chem.202403785
(E)-6-benzylidenebenzo[d][1,3]dioxol-5(6H)-one
C14H10O3*

E Param.: -14.47

***Chem. Eur. J. 2025, 31, e202403785
10.1002/chem.202403785
(E)-6-(4-methylbenzylidene)benzo[d][1,3]dioxol-5(6H)-one
C15H12O3*

E Param.: -14.85

***Chem. Eur. J. 2025, 31, e202403785
10.1002/chem.202403785
(E)-6-(4-methoxybenzylidene)benzo[d][1,3]dioxol-5(6H)-one
C15H12O4*

E Param.: -15.20

***Chem. Eur. J. 2025, 31, e202403785
10.1002/chem.202403785
(E)-6-(4-(dimethylamino)benzylidene)benzo[d][1,3]dioxol-5(6H)-one
C16H15NO3*

E Param.: -16.07

***Chem. Eur. J. 2025, 31, e202403785
10.1002/chem.202403785
(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
2,6-di-tert-butyl-4-methylenecyclohexa-2,5-dien-1-one
C15H22O*

E Param.: -11.17

***Chem. Eur. J. 2025, , in print
10.1002/chem.202501224
2,6-di-tert-butyl-4-(methoxymethylene)cyclohexa-2,5-dien-1-one
C16H24O2*

E Param.: -15.10

***Chem. Eur. J. 2025, , in print
10.1002/chem.202501224
2-(3,5-di-tert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)acetonitrile
C16H21NO*

E Param.: -11.88

***Chem. Eur. J. 2025, , in print
10.1002/chem.202501224
ethyl 2-(3,5-di-tert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)acetate
C18H26O3*

E Param.: -12.01

***Chem. Eur. J. 2025, , in print
10.1002/chem.202501224
2,6-di-tert-butyl-4-ethylidenecyclohexa-2,5-dien-1-one
C16H24O*

E Param.: -13.68

***Chem. Eur. J. 2025, , in print
10.1002/chem.202501224
4-benzylidene-2,6-di-tert-butylcyclohexa-2,5-dien-1-one
C21H26O*

E Param.: -15.58

***Chem. Eur. J. 2025, , in print
10.1002/chem.202501224
ani(t-Bu)2QM
*

E Param.: -16.11

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

E Param.: -17.29

****Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
cumyl cation
*

E Param.: 5.74

***Macromolecules 2010, 43, 1719-1723
10.1021/ma9024569
(4-CF3)2-tritylium ion
*

E Param.: 2.28

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(3-Cl)3-tritylium ion
*

E Param.: 1.99

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-CF3)-tritylium ion
*

E Param.: 1.33

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(3-Cl)-tritylium ion
*

E Param.: 1.06

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(3-CF3)-tritylium ion
*

E Param.: 1.18

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-Me)-tritylium ion
*

E Param.: -0.13

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-Me)2-tritylium ion
*

E Param.: -0.70

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-Me)3-tritylium ion
*

E Param.: -1.21

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-MeO,3-OMe)-tritylium ion
*

E Param.: -1.62

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-OMe,3-Me)-tritylium ion
*

E Param.: -1.84

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-MeO)-tritylium ion
*

E Param.: -1.59

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

E Param.: -2.13

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-MeO)2-tritylium ion
*

E Param.: -3.04

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-MeO)3-tritylium ion
*

E Param.: -4.35

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-NMe2)-tritylium ion
*

E Param.: -7.93

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
(4-NMe2)2-tritylium ion (= Malachite green)
*

E Param.: -10.29

-J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y