Mayr's Database of Reactivity Parameters

Carbanions

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Name Solvent Reactivity
Parameters
Classification Reference
(title or year)
anion of 4-nitrobenzyl-CN (in MeCN)
C8H5N2O2*
MeCN

N  Param.: 20.10

sN Param.: 0.71
***J. Am. Chem. Soc. 2020, 142, 8383-8402
10.1021/jacs.0c01960
anion of (4-NO2-C6H4)CH2SO2Ph (in MeCN)
C13H10NO4S*
MeCN

N  Param.: 19.90

sN Param.: 0.66
***J. Am. Chem. Soc. 2020, 142, 8383-8402
10.1021/jacs.0c01960
anion of nitroethane (in DMF)
C2H4NO2- *
DMF

N  Param.: 22.21

sN Param.: 0.48
***Chem. Eur. J. 2008, 14, 6108-6118
10.1002/chem.200800329
enolate of 3-isochromanone (in DMSO)
C9H7O2-*
DMSO

N  Param.: 25.39

sN Param.: 0.54
***J. Org. Chem. 2024, 89, 6915-6928
10.1021/acs.joc.4c00277
enolate of 2-coumaranone (in DMSO)
C8H5O2-*
DMSO

N  Param.: 19.60

sN Param.: 0.75
***J. Org. Chem. 2024, 89, 6915-6928
10.1021/acs.joc.4c00277