Mayr's Database of Reactivity Parameters

C-Nucleophiles

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Name Solvent Reactivity
Parameters
Classification Reference
(title or year)
2-((TBDMSO-methyl)-3,4-bis(TBDMSO)-3,4-dihydro-2H-pyran
C24H52O4Si3 *
dichloromethane

N  Param.: 1.97

sN Param.: 1.20
*** Angew. Chem. Int. Ed. 2026, 65, e24329
10.1002/anie.202524329
3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-6-methyl-3,4-dihydro-2H-pyran
C28H30O4 *
dichloromethane

N  Param.: 4.98

sN Param.: 0.65
*** Angew. Chem. Int. Ed. 2026, 65, e24329
10.1002/anie.202524329
3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-3,4-dihydro-2H-pyran
C27H28O4 *
dichloromethane

N  Param.: 1.75

sN Param.: 1.37
*** Angew. Chem. Int. Ed. 2026, 65, e24329
10.1002/anie.202524329
3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-6-methylenetetrahydro-2H-pyran
C28H30O4 *
dichloromethane

N  Param.: 6.19

sN Param.: 0.79
*** Angew. Chem. Int. Ed. 2026, 65, e24329
10.1002/anie.202524329
8-(benzyloxy)-2,2-di-tert-butyl-4,4a,8,8a-tetrahydropyrano[3,2-d][1,3,2]dioxasiline
C21H32O4Si *
dichloromethane

N  Param.: 1.85

sN Param.: 1.28
*** Angew. Chem. Int. Ed. 2026, 65, e24329
10.1002/anie.202524329
3,4,5-tris(benzyloxy)-2-((benzyloxy)methyl)-6-methylenetetrahydro-2H-pyran
C35H36O5 *
dichloromethane

N  Param.: 4.01

sN Param.: 0.91
*** Angew. Chem. Int. Ed. 2026, 65, e24329
10.1002/anie.202524329
3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-5-methylenetetrahydrofuran
C27H28O4 *
dichloromethane

N  Param.: 5.50

sN Param.: 0.76
*** Angew. Chem. Int. Ed. 2026, 65, e24329
10.1002/anie.202524329
4-((benzyloxy)methyl)-2,2-dimethyl-6-methylenetetrahydrofuro[3,4-d][1,3]dioxole
C16H20O4 *
dichloromethane

N  Param.: 5.35

sN Param.: 0.88
*** Angew. Chem. Int. Ed. 2026, 65, e24329
10.1002/anie.202524329
8-(benzyloxy)-2-phenyl-4,4a,8,8a-tetrahydropyrano[3,2-d][1,3]dioxine
C20H20O4 *
dichloromethane

N  Param.: 1.94

sN Param.: 1.24
*** Angew. Chem. Int. Ed. 2026, 65, e24329
10.1002/anie.202524329
3,4-bis(benzyloxy)-2-methyl-3,4-dihydro-2H-pyran
 C20H22O3 *
dichloromethane

N  Param.: 2.04

sN Param.: 1.20
*** Angew. Chem. Int. Ed. 2026, 65, e24329
10.1002/anie.202524329
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
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 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[...]
anion of ethyl acetylacetate (in DMSO)
C6H9O3 *
DMSO

N  Param.: 18.82

sN Param.: 0.69
*** Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
anion of malononitrile (in DMSO)
C3HN2 *
DMSO

N  Param.: 19.36

sN Param.: 0.67
*** Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
anion of ethyl cyanoacetate (in DMSO)
C5H6NO2 *
DMSO

N  Param.: 19.62

sN Param.: 0.67
*** Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
anion of diethyl malonate (in DMSO)
C7H11O4 *
DMSO

N  Param.: 20.22

sN Param.: 0.65
*** Angew. Chem. Int. Ed. 2002, 41, 91-95
10.1002/1521-3773(20[...]
anion of nitroethane (in DMSO)
C2H4NO2 *
DMSO

N  Param.: 21.54

sN Param.: 0.62
*** J. Org. Chem. 2003, 68, 6880-6886
10.1021/jo0344182
anion of diethyl methylmalonate (in DMSO)
C8H13O4- *
DMSO

N  Param.: 21.13

sN Param.: 0.68
*** J. Am. Chem. Soc. 2003, 125, 12980-12986
10.1021/ja036838e
anion of 3-methyl acetylacetone (in DMSO)
C6H9O2- *
DMSO

N  Param.: 18.38

sN Param.: 0.72
*** J. Am. Chem. Soc. 2003, 125, 12980-12986
10.1021/ja036838e
anion of nitromethane (in DMSO)
CH2NO2- *
DMSO

N  Param.: 20.71

sN Param.: 0.60
*** J. Org. Chem. 2004, 69, 7565-7576
10.1021/jo048773j
anion of 2-nitropropane (in DMSO)
C3H6NO2- *
DMSO

N  Param.: 20.61

sN Param.: 0.69
*** J. Org. Chem. 2004, 69, 7565-7576
10.1021/jo048773j
anion of phenylnitromethane (in DMSO)
C7H6NO2- *
DMSO

N  Param.: 18.29

sN Param.: 0.71
*** J. Org. Chem. 2004, 69, 7565-7576
10.1021/jo048773j
anion of p-tolylnitromethane (in DMSO)
C8H8NO2- *
DMSO

N  Param.: 18.31

sN Param.: 0.76
*** J. Org. Chem. 2004, 69, 7565-7576
10.1021/jo048773j
anion of (4-nitrophenyl)nitromethane (in DMSO)
C7H5N2O4- *
DMSO

N  Param.: 16.29

sN Param.: 0.75
*** J. Org. Chem. 2004, 69, 7565-7576
10.1021/jo048773j
anion of (3-nitrophenyl)nitromethane (in DMSO)
C7H5N2O4- *
DMSO

N  Param.: 18.06

sN Param.: 0.71
*** J. Org. Chem. 2004, 69, 7565-7576
10.1021/jo048773j
anion of (4-cyanophenyl)nitromethane (in DMSO)
C8H5N2O2- *
DMSO

N  Param.: 16.96

sN Param.: 0.73
*** J. Org. Chem. 2004, 69, 7565-7576
10.1021/jo048773j
anion of 4-nitrobenzyl trifluoromethyl sulfone (in DMSO)
C8H5F3NO4S- *
DMSO

N  Param.: 14.49

sN Param.: 0.86
*** J. Am. Chem. Soc. 2007, 129, 9753-9761
10.1021/ja072135b
anion of 4-cyanobenzyl trifluoromethyl sulfone (in DMSO)
C9H5F3NO2S- *
DMSO

N  Param.: 16.28

sN Param.: 0.75
*** J. Am. Chem. Soc. 2007, 129, 9753-9761
10.1021/ja072135b
anion of 4-(trifluoromethyl)benzyl trifluoromethyl sulfone (in DMSO)
C9H5F6O2S- *
DMSO

N  Param.: 17.33

sN Param.: 0.74
*** J. Am. Chem. Soc. 2007, 129, 9753-9761
10.1021/ja072135b
anion of benzyl trifluoromethyl sulfone (in DMSO)
C8H6F3O2S- *
DMSO

N  Param.: 18.67

sN Param.: 0.68
*** J. Am. Chem. Soc. 2007, 129, 9753-9761
10.1021/ja072135b
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
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
anion of 4-nitrobenzyl-CN (in DMSO)
C8H5N2O2- *
DMSO

N  Param.: 19.67

sN Param.: 0.68
*** J. Org. Chem. 2009, 74, 75-81
10.1021/jo802241x
anion of 2-phenyl-propionitrile (in DMSO)
C9H8N- *
DMSO

N  Param.: 28.95

sN Param.: 0.58
*** J. Org. Chem. 2009, 74, 75-81
10.1021/jo802241x
anion of 2-(4-CN-C6H4)propionitrile (in DMSO)
C10H7N2- *
DMSO

N  Param.: 25.35

sN Param.: 0.56
*** J. Org. Chem. 2009, 74, 75-81
10.1021/jo802241x
anion of 2-(4-NO2-C6H4)propionitrile (in DMSO)
C9H7N2O2- *
DMSO

N  Param.: 19.61

sN Param.: 0.60
*** J. Org. Chem. 2009, 74, 75-81
10.1021/jo802241x
Ph3P=CH-CO2Et (in DMSO)
*
DMSO

N  Param.: 12.21

sN Param.: 0.62
*** J. Am. Chem. Soc. 2009, 131, 704-714
10.1021/ja8056216
(EtO)2P(O)CH(-)CO2Et (in DMSO)
*
DMSO

N  Param.: 19.23

sN Param.: 0.65
*** J. Am. Chem. Soc. 2009, 131, 704-714
10.1021/ja8056216
(EtO)2P(O)CH(-)CN (in DMSO)
*
DMSO

N  Param.: 18.57

sN Param.: 0.66
*** J. Am. Chem. Soc. 2009, 131, 704-714
10.1021/ja8056216
Ph2P(O)CH(-)CO2Et (in DMSO)
*
DMSO

N  Param.: 19.20

sN Param.: 0.69
*** J. Am. Chem. Soc. 2009, 131, 704-714
10.1021/ja8056216
Ph2P(O)CH(-)CN (in DMSO)
*
DMSO

N  Param.: 18.69

sN Param.: 0.72
*** J. Am. Chem. Soc. 2009, 131, 704-714
10.1021/ja8056216
Me2S=CH-CO2Et (in DMSO)
*
DMSO

N  Param.: 15.85

sN Param.: 0.61
*** Chem. Eur. J. 2010, 16, 8610-8614
10.1002/chem.201001455