Mayr's Database of Reactivity Parameters

Carbanions

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Name Solvent Reactivity
Parameters
Classification Reference
(title or year)
anion of 3-methyl acetylacetone (in water)
C6H9O2- *
water

N  Param.: 14.33

sN Param.: 0.69
*** J. Am. Chem. Soc. 2003, 125, 12980-12986
10.1021/ja036838e
anion of 3-oxo-3-phenylpropanenitrile (in DMSO)
C9H6NO *
DMSO

N  Param.: 16.55

sN Param.: 0.78
*** Chem. Eur. J. 2015, 21, 875-884
10.1002/chem.201404500
anion of 4-(trifluoromethyl)benzyl trifluoromethyl sulfone (in 91M9AN)
C9H5F6O2S- *
MeOH-MeCN mix

N  Param.: 20.72

sN Param.: 0.58
*** J. Am. Chem. Soc. 2007, 129, 9753-9761
10.1021/ja072135b
anion of 4-(trifluoromethyl)benzyl trifluoromethyl sulfone (in DMSO)
C9H5F6O2S- *
DMSO

N  Param.: 17.33

sN Param.: 0.74
*** J. Am. Chem. Soc. 2007, 129, 9753-9761
10.1021/ja072135b
anion of 4-(trifluoromethyl)benzyl trifluoromethyl sulfone (in MeCN)
C9H5F6O2S *
MeCN

N  Param.: 16.15

sN Param.: 0.99
*** J. Am. Chem. Soc. 2020, 142, 8383-8402
10.1021/jacs.0c01960
anion of 4-(trifluoromethyl)benzyl-CN (in DMSO)
C9H5F3N- *
DMSO

N  Param.: 27.28

sN Param.: 0.50
*** J. Org. Chem. 2009, 74, 75-81
10.1021/jo802241x
anion of 4-cyanobenzyl trifluoromethyl sulfone (in 91M9AN)
C9H5F3NO2S- *
MeOH-MeCN mix

N  Param.: 19.49

sN Param.: 0.63
*** J. Am. Chem. Soc. 2007, 129, 9753-9761
10.1021/ja072135b
anion of 4-cyanobenzyl trifluoromethyl sulfone (in DMSO)
C9H5F3NO2S- *
DMSO

N  Param.: 16.28

sN Param.: 0.75
*** J. Am. Chem. Soc. 2007, 129, 9753-9761
10.1021/ja072135b
anion of 4-cyanobenzyl trifluoromethyl sulfone (in MeCN)
C9H5F3NO2S *
MeCN

N  Param.: 15.62

sN Param.: 0.99
*** J. Am. Chem. Soc. 2020, 142, 8383-8402
10.1021/jacs.0c01960
anion of 4-cyanobenzyl-CN (in DMSO)
C9H5N2- *
DMSO

N  Param.: 25.11

sN Param.: 0.54
*** J. Org. Chem. 2009, 74, 75-81
10.1021/jo802241x