Mayr's Database of Reactivity Parameters

C-Nucleophiles

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Name Solvent Reactivity
Parameters
Classification Reference
(title or year)
(E)-4-(benzylthio)-2,2,5,5-tetramethyl-1-styryl-2,5-dihydro-1H-imidazole (in MeCN)
C22H26N2S *
MeCN

N  Param.: 8.30

sN Param.: 0.84
*** Chem. Eur. J. 2024, 30, e202302764
10.1002/chem.202302764
(2-methylallyl)dicarbonyl(cyclopentadienyl)iron(II)
*
dichloromethane

N  Param.: 8.45

sN Param.: 0.83
*** Helv. Chim. Acta 2005, 88, 1754-1768
10.1002/hlca.200590137
ethyl (E)-3-(N-morpholino)acrylate
C9H15NO3 *
dichloromethane

N  Param.: 8.52

sN Param.: 0.80
* Chem. Eur. J. 2003, 9, 2209-2218
10.1002/chem.200204666
lithium 4,4,5,5-tetramethyl-2-(1-phenylethyl)-2-(4-(trifluoromethyl)phenyl)-1,3,2-dioxaborolan-2-uide (in MeCN)
C21H25BF3LiO2 *
MeCN

N  Param.: 8.56

sN Param.: 0.76
*** Org. Lett. 2015, 17, 2614-2617
10.1021/acs.orglett.[...]
Danishefskys diene
C8H16O2Si *
dichloromethane

N  Param.: 8.57

sN Param.: 0.84
***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
1,2,5-trimethylpyrrole
C7H11N *
MeCN

N  Param.: 8.69

sN Param.: 1.07
*** Eur. J. Org. Chem. 2008, , 2369-2374
10.1002/ejoc.200800092
lithium 2-allyl-2-(3,5-bis(trifluoromethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-uide (in MeCN)
C17H20BF6LiO2 *
MeCN

N  Param.: 8.71

sN Param.: 0.80
*** J. Am. Chem. Soc. 2017, 139, 15324-15327
10.1021/jacs.7b10240
potassium trifluoro(1-methyl-1H-indol-5-yl)borate
C9H8BF3KN *
MeCN

N  Param.: 8.77

sN Param.: 1.09
*** J. Am. Chem. Soc. 2013, 135, 6317-6324
10.1021/ja4017655
(E)-4-(1,2-diphenylvinyl)morpholine (in MeCN)
*
MeCN

N  Param.: 8.78

sN Param.: 0.83
*** Chem. Eur. J. 2018, 24, 5901-5910
10.1002/chem.201705962
(p-bromophenyl)diazomethane
*
dichloromethane

N  Param.: 8.87

sN Param.: 0.82
*** J. Am. Chem. Soc. 2018, 140, 16758-16772
10.1021/jacs.8b09995
lithium 2-benzyl-4,4,5,5-tetramethyl-2-phenyl-1,3,2-dioxaborolan-2-uide (in MeCN)
C19H24BLiO2 *
MeCN

N  Param.: 8.92

sN Param.: 0.70
** Org. Lett. 2015, 17, 2614-2617
10.1021/acs.orglett.[...]
(trimethylsilyl)diazomethane
C4H10N2Si *
dichloromethane

N  Param.: 8.97

sN Param.: 0.75
*** Chem. Eur. J. 2003, 9, 4068-4076
10.1002/chem.200304913
1-methoxy-2-methyl-1-(trimethylsiloxy)propene
C8H18O2Si *
dichloromethane

N  Param.: 9.00

sN Param.: 0.98
***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
tetrakis(5-methyl-furan-2-yl)borate
*
MeCN

N  Param.: 9.09

sN Param.: 1.12
*** Chem. Sci. 2012, 3, 878-882
10.1039/c2sc00883a
Ph3P=CH-CHO (in MeCN)
C20H17OP *
MeCN

N  Param.: 9.09

sN Param.: 0.74
*** J. Am. Chem. Soc. 2016, 138, 11272-11281
10.1021/jacs.6b06264
1-methoxy-2-methyl-1-(trimethylsiloxy)propene (in MeCN)
*
MeCN

N  Param.: 9.11

sN Param.: 0.88
*** J. Am. Chem. Soc. 2013, 135, 6579-6587
10.1021/ja401106x
(E)-2-((1-(but-1-en-1-yl)-2,2,5,5-tetramethyl-2,5-dihydro-1H-imidazol-4-yl)thio)acetonitrile (in MeCN)
C13H21N3S *
MeCN

N  Param.: 9.23

sN Param.: 0.74
*** Chem. Eur. J. 2024, 30, e202302764
10.1002/chem.202302764
2-((2,2,5,5-tetramethyl-1-(prop-1-en-1-yl)-2,5-dihydro-1H-imidazol-4-yl)thio)acetonitrile (in MeCN)
C12H19N3S *
MeCN

N  Param.: 9.25

sN Param.: 0.84
*** Chem. Commun. 2023, 59, 8091-8084
10.1039/d3cc01912h
phenyldiazomethane
C7H6N2 *
dichloromethane

N  Param.: 9.35

sN Param.: 0.83
*** Chem. Eur. J. 2003, 9, 4068-4076
10.1002/chem.200304913
ethyl (E)-3-(dimethylamino)acrylate
C7H13NO2 *
dichloromethane

N  Param.: 9.43

sN Param.: 0.80
* Chem. Eur. J. 2003, 9, 2209-2218
10.1002/chem.200204666
lithium (E)-2-(3,5-bis(trifluoromethyl)phenyl)-2-(but-2-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-uide (in MeCN)
C18H22BF6LiO2 *
MeCN

N  Param.: 9.49

sN Param.: 0.82
*** J. Am. Chem. Soc. 2017, 139, 15324-15327
10.1021/jacs.7b10240
Ph3P=CH-COPh
*
dichloromethane

N  Param.: 9.54

sN Param.: 0.97
*** J. Am. Chem. Soc. 2009, 131, 704-714
10.1021/ja8056216
potassium trifluoro(1-methyl-1H-indol-2-yl)borate
C9H8BF3KN *
MeCN

N  Param.: 9.55

sN Param.: 1.16
*** J. Am. Chem. Soc. 2013, 135, 6317-6324
10.1021/ja4017655
(E)-4-(ethylthio)-2,2,5,5-tetramethyl-1-(3-phenylprop-1-en-1-yl)-2,5-dihydro-1H-imidazole (in MeCN)
C18H26N2S *
MeCN

N  Param.: 9.64

sN Param.: 0.70
*** Chem. Eur. J. 2024, 30, e202302764
10.1002/chem.202302764
1,1-diethoxyethene
C6H12O2 *
dichloromethane

N  Param.: 9.81

sN Param.: 0.81
*** Eur. J. Org. Chem. 2004, , 2791-2796
10.1002/ejoc.200400134
(E)-1-(1,2-diphenylvinyl)piperidine (in MeCN)
*
MeCN

N  Param.: 9.94

sN Param.: 0.86
*** Chem. Eur. J. 2018, 24, 5901-5910
10.1002/chem.201705962
alpha-(N-morpholino)styrene
C12H15NO *
dichloromethane

N  Param.: 9.96

sN Param.: 0.79
*** Chem. Eur. J. 2003, 9, 2209-2218
10.1002/chem.200204666
morpholinoisobutylene
C8H15NO *
dichloromethane

N  Param.: 10.04

sN Param.: 0.82
*** Chem. Eur. J. 2003, 9, 2209-2218
10.1002/chem.200204666
lithium (5-methylthiophen-2-yl)(3,5-bis(trifluoromethyl)phenyl)neopentylglycolborate
C18H18BF6LiO2S *
MeCN

N  Param.: 10.13

sN Param.: 0.91
** Angew. Chem. Int. Ed. 2015, 54, 2780-2783
10.1002/anie.201410562
(E)-1-styryl-2-tritylpyrrolidine (in CH2Cl2)
C31H29N *
dichloromethane

N  Param.: 10.19

sN Param.: 1.06
*** J. Am. Chem. Soc. 2014, 136, 14263-14269
10.1021/ja508065e
1-butoxy-1-(trimethylsiloxy)ethene
C9H20O2Si *
dichloromethane

N  Param.: 10.21

sN Param.: 0.82
**** Eur. J. Org. Chem. 2004, , 2791-2796
10.1002/ejoc.200400134
Ph3P=CH-C(O)Me (in MeCN)
C21H19OP *
MeCN

N  Param.: 10.27

sN Param.: 0.83
*** J. Am. Chem. Soc. 2016, 138, 11272-11281
10.1021/jacs.6b06264
alpha-(N-morpholino)styrene (in MeCN)
C12H15NO *
MeCN

N  Param.: 10.30

sN Param.: 0.80
* Chem. Eur. J. 2018, 24, 5901-5910
10.1002/chem.201705962
1-butoxy-1-(t-butyl-dimethylsiloxy)ethene
C12H26O2Si *
dichloromethane

N  Param.: 10.32

sN Param.: 0.79
**** Eur. J. Org. Chem. 2004, , 2791-2796
10.1002/ejoc.200400134
1,1-bis(trimethylsiloxy)propene
C9H22O2Si2 *
dichloromethane

N  Param.: 10.38

sN Param.: 0.87
**** Eur. J. Org. Chem. 2004, , 2791-2796
10.1002/ejoc.200400134
(E)-1-(2-(4-nitrophenyl)-1-phenylvinyl)pyrrolidine (in MeCN)
*
MeCN

N  Param.: 10.42

sN Param.: 0.82
*** Chem. Eur. J. 2018, 24, 5901-5910
10.1002/chem.201705962
MeO-Breslow 1b
*
THF

N  Param.: 10.45

sN Param.: 0.81
*** Angew. Chem. Int. Ed. 2012, 51, 10408-10412
10.1002/anie.201204524
diazomethane
CH2N2 *
dichloromethane

N  Param.: 10.48

sN Param.: 0.78
*** Chem. Eur. J. 2003, 9, 4068-4076
10.1002/chem.200304913
2-(trimethylsiloxy)-5,6-dihydro-4H-pyran (in MeCN)
*
MeCN

N  Param.: 10.52

sN Param.: 0.78
*** J. Am. Chem. Soc. 2013, 135, 6579-6587
10.1021/ja401106x
(S,E)-2-(diphenyl(trimethylsiloxy)methyl)-1-styrylpyrrolidine
C28H33NOSi *
MeCN

N  Param.: 10.56

sN Param.: 1.01
*** Angew. Chem. Int. Ed. 2012, 51, 5739-5742
10.1002/anie.201201240
2-(trimethylsiloxy)-5,6-dihydro-4H-pyran
C8H16O2Si *
dichloromethane

N  Param.: 10.61

sN Param.: 0.86
***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(E)-4-(2-phenyl-2-(pyrrolidin-1-yl)vinyl)benzonitrile (in MeCN)
*
MeCN

N  Param.: 10.63

sN Param.: 0.84
*** Chem. Eur. J. 2018, 24, 5901-5910
10.1002/chem.201705962
2,4-dimethylpyrrole
C6H9N *
MeCN

N  Param.: 10.67

sN Param.: 0.91
*** Eur. J. Org. Chem. 2008, , 2369-2374
10.1002/ejoc.200800092
anion of 2-nitropropane (in water)
C3H6NO2- *
water

N  Param.: 10.69

sN Param.: 0.56
*** J. Org. Chem. 2004, 69, 7565-7576
10.1021/jo048773j
1-(phenylmethylamino)cyclohexene
C13H17N *
dichloromethane

N  Param.: 10.73

sN Param.: 0.81
*** Chem. Eur. J. 2003, 9, 2209-2218
10.1002/chem.200204666
(E)-beta-(N-morpholino)styrene
C12H15NO *
dichloromethane

N  Param.: 10.76

sN Param.: 0.87
*** Chem. Eur. J. 2003, 9, 2209-2218
10.1002/chem.200204666
lithium 4,4,5,5-tetramethyl-2-phenyl-2-(1-phenylethyl)-1,3,2-dioxaborolan-2-uide (in MeCN)
C20H26BLiO2 *
MeCN

N  Param.: 10.97

sN Param.: 0.63
** Org. Lett. 2015, 17, 2614-2617
10.1021/acs.orglett.[...]
lithium 4,4,5,5-tetramethyl-2-phenyl-2-(prop-1-en-2-yl)-1,3,2-dioxaborolan-2-uide (in MeCN)
C15H22BLiO2 *
MeCN

N  Param.: 11.00

sN Param.: 0.57
*** J. Am. Chem. Soc. 2022, 144, 16118-16130
10.1021/jacs.2c06493
lithium 2-allyl-4,4,5,5-tetramethyl-2-phenyl-1,3,2-dioxaborolan-2-uide (in MeCN)
C15H22BLiO2 *
MeCN

N  Param.: 11.20

sN Param.: 0.64
* J. Am. Chem. Soc. 2017, 139, 15324-15327
10.1021/jacs.7b10240
lithium (5-methylthiophen-2-yl)(3,5-bis(trifluoromethyl)phenyl)glycolborate
C15H12BF6LiO2S *
MeCN

N  Param.: 11.23

sN Param.: 0.77
*** Angew. Chem. Int. Ed. 2015, 54, 2780-2783
10.1002/anie.201410562