Mayr's Database of Reactivity Parameters

Carbanions

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Name Solvent Reactivity
Parameters
Classification Reference
(title or year)
anion of 4-methylbenzyl trifluoromethyl sulfone (in DMSO)
C9H8F3O2S- *
DMSO

N  Param.: 19.35

sN Param.: 0.67
*** J. Am. Chem. Soc. 2007, 129, 9753-9761
10.1021/ja072135b
anion of 4-nitrobenzyl trifluoromethyl sulfone (in 91M9AN)
C8H5F3NO4S- *
MeOH-MeCN mix

N  Param.: 18.24

sN Param.: 0.66
*** J. Am. Chem. Soc. 2007, 129, 9753-9761
10.1021/ja072135b
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-(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
bis(4-nitrophenyl)methanide (in DMSO)
C13H9N2O4- *
DMSO

N  Param.: 19.92

sN Param.: 0.67
*** ARKIVOC 2008, (x), 37-53
10.3998/ark.5550190.[...]
anion of (4-NO2-C6H4)CH2SO2Ph (in DMSO)
C13H10NO4S- *
DMSO

N  Param.: 18.50

sN Param.: 0.75
*** Org. Biomol. Chem. 2008, 6, 3052-3058
10.1039/b805604h
anion of (4-CN-C6H4)CH2SO2Ph (in DMSO)
C14H10NO2S- *
DMSO

N  Param.: 22.60

sN Param.: 0.57
*** Org. Biomol. Chem. 2008, 6, 3052-3058
10.1039/b805604h
anion of (4-CF3-C6H4)CH2SO2Ph (in DMSO)
C14H10F3O2S- *
DMSO

N  Param.: 24.30

sN Param.: 0.51
*** Org. Biomol. Chem. 2008, 6, 3052-3058
10.1039/b805604h
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-CN (in DMSO)
C9H5N2- *
DMSO

N  Param.: 25.11

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