Mayr's Database of Reactivity Parameters

Carbanions

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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[...]