Mayr's Database of Reactivity Parameters

C-Electrophiles

For reactivities of structurally related compounds go to: Electrophiles
1 | 2 | 3 | 4 Found 342 molecules, displaying page 3 of 4 Results per page 10|50|100|all
Name Solvent Reactivity
Parameters 		Classification Reference
(title or year)
ethenylsulfonylbenzene (in DMSO)
C8H8O2S*
 DMSO

E Param.: -18.36

***J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
acrylonitrile (in DMSO)
C3H3N*
 DMSO

E Param.: -19.05

***J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
but-3-en-2-one (in DMSO)
C4H6O*
 DMSO

E Param.: -16.76

***J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
1-phenylprop-2-en-1-one (in DMSO)
C9H8O*
 DMSO

E Param.: -15.25

***J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
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[...]
2-methylcyclopentenone
C6H8O*
 DMSO

E Param.: -22.10

***Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
cyclopentenone
C5H6O*
 DMSO

E Param.: -20.60

***Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
furan-2(5H)-one
C4H4O2*
 DMSO

E Param.: -20.70

***Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
cyclohexenone
C6H8O*
 DMSO

E Param.: -22.10

***Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
3-methylenetetrahydropyran-2-one
C6H8O2*
 DMSO

E Param.: -19.50

***Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
3-methylenedihydrofuranone
C5H6O2*
 DMSO

E Param.: -19.40

***Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
(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.[...]
2,6-di-tert-butyl-4-(2,2,2-trifluoroethylidene)cyclohexa-2,5-dien-1-one
C16H21F3O*
 DMSO

E Param.: -11.68

***Eur. J. Org. Chem. 2020, , 3812-3817
10.1002/ejoc.202000295
3-nitro-1-tosyl-1H-indole
C15H12N2O4S*

E Param.: -14.87

***Chem. Commun. 2021, 57, 10071-10074
10.1039/d1cc04074j
phenyl isocyanate
C7H5NO*
 MeCN

E Param.: -15.38

***J. Am. Chem. Soc. 2020, 142, 8383-8402
10.1021/jacs.0c01960
p-tosyl isocyanate
C8H7NO3S*
 MeCN

E Param.: -7.69

***J. Am. Chem. Soc. 2020, 142, 8383-8402
10.1021/jacs.0c01960
phenyl isothiocyanate
C7H5NS*
 DMSO

E Param.: -18.15

***J. Am. Chem. Soc. 2020, 142, 8383-8402
10.1021/jacs.0c01960
p-nitrophenyl isothiocyanate
C7H4N2O2S*
 DMSO

E Param.: -15.89

***J. Am. Chem. Soc. 2020, 142, 8383-8402
10.1021/jacs.0c01960
diphenylcarbodiimide
C13H10N2*
 DMSO

E Param.: -20.14

***J. Am. Chem. Soc. 2020, 142, 8383-8402
10.1021/jacs.0c01960
carbon disulfide
CS2*
 DMSO

E Param.: -17.70

***J. Am. Chem. Soc. 2020, 142, 8383-8402
10.1021/jacs.0c01960
3,6-dinitro-1-tosyl-1H-indole
*

E Param.: -12.90

***Chem. Commun. 2021, 57, 10071-10074
10.1039/d1cc04074j
cycloheptenone
C7H10O*
 DMSO

E Param.: -22.00

***Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
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. 2024, , 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. 2024, , 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. 2024, , 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. 2024, , e202403785
10.1002/chem.202403785
(E)-6-benzylidenebenzo[d][1,3]dioxol-5(6H)-one
C14H10O3*

E Param.: -14.47

***Chem. Eur. J. 2024, , 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. 2024, , 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. 2024, , 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. 2024, , 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
bh6a
*

E Param.: -18.60

**Chem. Eur. J. 2010, 16, 1365-1371
10.1002/chem.200902487
bh 6f
*

E Param.: -18.90

**Chem. Eur. J. 2010, 16, 1365-1371
10.1002/chem.200902487
bh 6i
*

E Param.: -19.10

**Chem. Eur. J. 2010, 16, 1365-1371
10.1002/chem.200902487
bh6j
*

E Param.: -17.90

**Chem. Eur. J. 2010, 16, 1365-1371
10.1002/chem.200902487
diarylallylium ion (3-F)2
*

E Param.: 4.15

**J. Org. Chem. 2011, 76, 9391-9408
10.1021/jo201668w
indolecarboxylate derived iminium ion
*
 dichloromethane

E Param.: -9.50

**Angew. Chem. Int. Ed. 2009, 48, 5034-5037
10.1002/anie.200900933
(tfm)2CH+
C15H9F6*

E Param.: 7.96

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

E Param.: -16.19

**J. Am. Chem. Soc. 2014, 136, 11499-11512
10.1021/ja505613b
(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
ethyl 2-methylprop-2-enoate (in DMSO)
C6H10O2*
 DMSO

E Param.: -22.77

**J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
ethyl (E)-but-2-enoate (in DMSO)
C6H10O2*
 DMSO

E Param.: -23.59

**J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
ethyl cinnamate (in DMSO)
C11H12O2*
 DMSO

E Param.: -24.52

**J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
(E)-1-methyl-4-(styrylsulfonyl)benzene (in DMSO)
C15H14O2S*
 DMSO

E Param.: -24.69

**J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
dihydro-2H-pyran-2-one
C5H6O2*
 DMSO

E Param.: -21.80

**Chem. Sci. 2021, 12, 4850-4865
10.1039/D0SC06628A
ethyl 3-nitro-1H-indole-1-carboxylate
C11H10N2O4*

E Param.: -14.10

**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
fc(Me)CH+
C12H13Fe*

E Param.: -2.57

*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
(2,4,6-trimethylphenyl)ethylium ion
C11H15*

E Param.: 6.04

*Macromolecules 2005, 38, 33-40
10.1021/ma048389o
1,3-bis(2,4,6-trimethylphenyl)but-1-ylium ion
C22H29*

E Param.: 6.16

*Macromolecules 2005, 38, 33-40
10.1021/ma048389o
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
pipN+=CH-CH-Ph
C14H18N+*

E Param.: -10.30

*Angew. Chem. Int. Ed. 2008, 47, 8723-8726
10.1002/anie.200802889
bh 6k
*

E Param.: -18.20

*Chem. Eur. J. 2010, 16, 1365-1371
10.1002/chem.200902487
bh 6l
*

E Param.: -18.90

*Chem. Eur. J. 2010, 16, 1365-1371
10.1002/chem.200902487
bh 6m
*

E Param.: -17.30

*Chem. Eur. J. 2010, 16, 1365-1371
10.1002/chem.200902487
1,2-diaza-1,3-diene 1e
*
 MeOH

E Param.: -14.90

*Chem. Eur. J. 2010, 16, 12008-12016
10.1002/chem.201000828
1,2-diaza-1,3-diene 1f
*
 MeOH

E Param.: -15.30

*Chem. Eur. J. 2010, 16, 12008-12016
10.1002/chem.201000828
(E)-4-(4-nitrophenyl)but-3-en-2-one (in DSMO)
C10H9NO3*
 DMSO

E Param.: -19.36

*J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
(E)-4-methyl-1-(4-nitrophenyl)pent-1-en-3-one (in DMSO)
C12H13NO3*
 DMSO

E Param.: -19.17

*J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
(E)-4,4-dimethyl-1-(4-nitrophenyl)pent-1-en-3-one
C13H15NO3*
 DMSO

E Param.: -19.15

*J. Am. Chem. Soc. 2011, 133, 8240-8251
10.1021/ja200820m
benzaldehyde (in DMSO)
C7H6O*
 DMSO

E Param.: -12.90

*J. Am. Chem. Soc. 2018, 140, 5500-5515
10.1021/jacs.8b01657
(4-F)-tritylium ion
*

E Param.: 0.35

*Eur. J. Org. Chem. 2011, , 6470-6475
10.1002/ejoc.201100910
(4-F)2-tritylium ion
*

E Param.: 0.17

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

E Param.: 0.05

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

E Param.: 1.01

*Eur. J. Org. Chem. 2011, , 6470-6475
10.1002/ejoc.201100910
(3-F)2-tritylium ion
*

E Param.: 1.54

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

E Param.: 2.07

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

E Param.: 2.54

*Eur. J. Org. Chem. 2011, , 6470-6475
10.1002/ejoc.201100910
diarylallylium ion (4-Cl)2
*

E Param.: 2.69

*J. Org. Chem. 2011, 76, 9391-9408
10.1021/jo201668w
(dfp)2CH+
C13H7F4*

E Param.: 8.02

*J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(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
cinnamonitrile (in DMSO)
C9H7N*
 DMSO

E Param.: -24.60

*J. Am. Chem. Soc. 2017, 139, 13318-13329
10.1021/jacs.7b05106
cyclobutanone (in DMSO)
C4H6O*
 DMSO

E Param.: -17.50

*J. Am. Chem. Soc. 2018, 140, 5500-5515
10.1021/jacs.8b01657