Mayr's Database of Reactivity Parameters

Carbanions

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Name Solvent Reactivity
Parameters
Classification Reference
(title or year)
anion of ethyl cyanoacetate (in water)
C5H6NO2- *
water

N  Param.: 15.57

sN Param.: 0.58
*** J. Am. Chem. Soc. 2003, 125, 12980-12986
10.1021/ja036838e
anion of 2-phenylmalononitrile (in DMSO)
C9H5N2 *
DMSO

N  Param.: 15.58

sN Param.: 1.00
*** Eur. J. Org. Chem. 2017, , 1196-1202
10.1002/ejoc.201601513
barbiturate anion (in DMSO)
C4H3N2O3 *
DMSO

N  Param.: 15.59

sN Param.: 0.80
*** J. Org. Chem. 2017, 82, 8476-8488
10.1021/acs.joc.7b01223
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
bis(phenylsulfonyl)methanide (in DMSO)
C13H11O4S2 *
DMSO

N  Param.: 15.68

sN Param.: 0.74
*** Angew. Chem. Int. Ed. 2016, 55, 12845-12848
10.1002/anie.201605616
anion of ethyl 2-cyano-2-phenylacetate (in DMSO)
C11H10NO2 *
DMSO

N  Param.: 15.85

sN Param.: 1.04
*** Eur. J. Org. Chem. 2017, , 1196-1202
10.1002/ejoc.201601513
anion of diethyl 2-phenylmalonate (in DMSO)
C13H15O4 *
DMSO

N  Param.: 15.93

sN Param.: 0.99
*** Eur. J. Org. Chem. 2016, , 1841-1848
10.1002/ejoc.201600107
anion of 2-phenyl-2-(phenylsulfonyl)acetonitrile (in DMSO)
C14H10NO2S *
DMSO

N  Param.: 15.97

sN Param.: 0.72
*** Eur. J. Org. Chem. 2017, , 1196-1202
10.1002/ejoc.201601513
anion of ethyl acetylacetate (in water)
C6H9O3- *
water

N  Param.: 15.99

sN Param.: 0.62
*** J. Am. Chem. Soc. 2003, 125, 12980-12986
10.1021/ja036838e
anion of 1-phenylbutane-1,3-dione (in DMSO)
C10H9O2 *
DMSO

N  Param.: 16.03

sN Param.: 0.86
*** Chem. Eur. J. 2015, 21, 875-884
10.1002/chem.201404500