Mayr's Database of Reactivity Parameters

Carbanions

For reactivities of structurally related compounds go to: Nucleophiles » C-Nucleophiles
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Name Solvent Reactivity
Parameters 		Classification Reference
(title or year)
chloro(phenylsulfonyl)methanide (in DMF)
C7H6ClO2S *
 DMF

N  Param.: 26.64

sN Param.: 0.64		-Chem. Eur. J. 2008, 14, 6108-6118
10.1002/chem.200800329
anion of diethyl methylmalonate (in water)
C8H13O4-*
 water

N  Param.: 17.68

sN Param.: 0.50		*J. Am. Chem. Soc. 2003, 125, 12980-12986
10.1021/ja036838e
1-(benzylideneamino)-2-ethoxy-2-oxoethan-1-ide (in DMSO)
*
 DMSO

N  Param.: 29.10

sN Param.: 0.50		*Tetrahedron 2019, 75, 459-463
10.1016/j.tet.2018.1[...]
cyano((diphenylmethylene)amino)methanide
*
 DMSO

N  Param.: 29.50

sN Param.: 0.50		*Tetrahedron 2019, 75, 459-463
10.1016/j.tet.2018.1[...]
anion of 5-(p-anisyl) Meldrum's acid (in DMSO)
C13H13O5*
 DMSO

N  Param.: 12.35

sN Param.: 0.90		**Eur. J. Org. Chem. 2016, , 1841-1848
10.1002/ejoc.201600107
1-((4-chlorobenzylidene)amino)-2-ethoxy-2-oxoethan-1-ide (in DMSO)
*
 DMSO

N  Param.: 29.02

sN Param.: 0.49		**Tetrahedron 2019, 75, 459-463
10.1016/j.tet.2018.1[...]
2-(benzylideneamino)-1-ethoxy-1-oxopropan-2-ide (in DMSO)
*
 DMSO

N  Param.: 30.82

sN Param.: 0.41		**Tetrahedron 2019, 75, 459-463
10.1016/j.tet.2018.1[...]
anion of Meldrums acid (in DMSO)
C6H7O4*
 DMSO

N  Param.: 13.91

sN Param.: 0.86		***Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
anion of dimedone (in DMSO)
C8H11O2*
 DMSO

N  Param.: 16.27

sN Param.: 0.77		***Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
anion of acetylacetone (in DMSO)
C5H7O2*
 DMSO

N  Param.: 17.64

sN Param.: 0.73		***Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]