Mayr's Database of Reactivity Parameters

Nucleophiles

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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-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-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 4-nitrobenzyl-CN (in MeCN)
C8H5N2O2 *
MeCN

N  Param.: 20.10

sN Param.: 0.71
*** J. Am. Chem. Soc. 2020, 142, 8383-8402
10.1021/jacs.0c01960
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
anion of 5-phenyl Meldrum's acid (in DMSO)
C12H11O4 *
DMSO

N  Param.: 11.54

sN Param.: 0.95
*** Eur. J. Org. Chem. 2016, , 1841-1848
10.1002/ejoc.201600107
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 acetylacetone (in water)
C5H7O2- *
water

N  Param.: 13.73

sN Param.: 0.64
*** J. Am. Chem. Soc. 2003, 125, 12980-12986
10.1021/ja036838e
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 diethyl 2-(4-nitrophenyl)malonate (in DMSO)
C13H14NO6 *
DMSO

N  Param.: 14.94

sN Param.: 0.96
*** Eur. J. Org. Chem. 2016, , 1841-1848
10.1002/ejoc.201600107
anion of diethyl 2-(acetyl)malonate (in DMSO)
C9H13O5 *
DMSO

N  Param.: 13.83

sN Param.: 0.84
*** Eur. J. Org. Chem. 2016, , 1841-1848
10.1002/ejoc.201600107
anion of diethyl 2-(benzoyl)malonate (in DMSO)
C14H15O5 *
DMSO

N  Param.: 13.63

sN Param.: 0.80
*** Eur. J. Org. Chem. 2016, , 1841-1848
10.1002/ejoc.201600107
anion of diethyl 2-(isopropyl)malonate (in DMSO)
C10H17O4 *
DMSO

N  Param.: 18.74

sN Param.: 0.71
*** Eur. J. Org. Chem. 2016, , 1841-1848
10.1002/ejoc.201600107
anion of diethyl 2-(p-anisyl)malonate (in DMSO)
C14H17O5 *
DMSO

N  Param.: 16.73

sN Param.: 0.91
*** Eur. J. Org. Chem. 2016, , 1841-1848
10.1002/ejoc.201600107
anion of diethyl 2-butylmalonate (in DMSO)
C11H19O4 *
DMSO

N  Param.: 23.00

sN Param.: 0.55
*** Eur. J. Org. Chem. 2016, , 1841-1848
10.1002/ejoc.201600107
anion of diethyl 2-cyclohexylmalonate (in DMSO)
C13H21O4 *
DMSO

N  Param.: 19.23

sN Param.: 0.67
*** Eur. J. Org. Chem. 2016, , 1841-1848
10.1002/ejoc.201600107
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 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 diethyl malonate (in water)
C7H11O4- *
water

N  Param.: 16.15

sN Param.: 0.66
*** J. Am. Chem. Soc. 2003, 125, 12980-12986
10.1021/ja036838e
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 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
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 dimedone (in water)
C8H11O2- *
water

N  Param.: 11.77

sN Param.: 0.63
*** J. Am. Chem. Soc. 2003, 125, 12980-12986
10.1021/ja036838e
anion of dimethyl malonate (in 91M9AN)
C5H7O4- *
MeOH-MeCN mix

N  Param.: 18.24

sN Param.: 0.64
*** Eur. J. Org. Chem. 2006, , 2530-2537
10.1002/ejoc.200500769
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 ethyl 2-nitroacetate (in DMSO)
C4H6NO4 *
DMSO

N  Param.: 15.24

sN Param.: 0.74
*** Chem. Eur. J. 2015, 21, 875-884
10.1002/chem.201404500
anion of ethyl 3-oxo-3-phenylpropanoate (in DMSO)
C11H11O3 *
DMSO

N  Param.: 17.52

sN Param.: 0.74
*** Chem. Eur. J. 2015, 21, 875-884
10.1002/chem.201404500
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 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 ethyl cyanoacetate (in 91M9AN)
C5H6NO2- *
MeOH-MeCN mix

N  Param.: 18.59

sN Param.: 0.65
*** Eur. J. Org. Chem. 2006, , 2530-2537
10.1002/ejoc.200500769
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 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 malononitrile (in 91M9AN)
C3HN2- *
MeOH-MeCN mix

N  Param.: 18.21

sN Param.: 0.69
*** Eur. J. Org. Chem. 2006, , 2530-2537
10.1002/ejoc.200500769
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 malononitrile (in water)
C3HN2- *
water

N  Param.: 19.50

sN Param.: 0.55
*** J. Am. Chem. Soc. 2003, 125, 12980-12986
10.1021/ja036838e
anion of Meldrum's acid (in water)
C6H7O4- *
water

N  Param.: 12.06

sN Param.: 0.66
*** J. Am. Chem. Soc. 2003, 125, 12980-12986
10.1021/ja036838e
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 N,N-diethyl-3-oxo-3-phenylpropanoate (in DMSO)
C13H16NO2 *
DMSO

N  Param.: 19.28

sN Param.: 0.65
*** Chem. Eur. J. 2015, 21, 875-884
10.1002/chem.201404500
anion of nitroethane (in 91M9AN)
C2H4NO2- *
MeOH-MeCN mix

N  Param.: 13.41

sN Param.: 0.67
*** Eur. J. Org. Chem. 2006, , 2530-2537
10.1002/ejoc.200500769
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
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 nitroethane (in water)
C2H4NO2- *
water

N  Param.: 11.25

sN Param.: 0.52
*** J. Org. Chem. 2004, 69, 7565-7576
10.1021/jo048773j
anion of nitromethane (in 91M9AN)
CH2NO2- *
MeOH-MeCN mix

N  Param.: 14.02

sN Param.: 0.61
*** Eur. J. Org. Chem. 2006, , 2530-2537
10.1002/ejoc.200500769
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 nitromethane (in water)
CH2NO2- *
water

N  Param.: 12.06

sN Param.: 0.53
*** J. Org. Chem. 2004, 69, 7565-7576
10.1021/jo048773j
anion of p-tolylnitromethane (in 91M9AN)
C8H8NO2- *
MeOH-MeCN mix

N  Param.: 13.58

sN Param.: 0.64
*** Eur. J. Org. Chem. 2006, , 2530-2537
10.1002/ejoc.200500769
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 p-tolylnitromethane (in water)
C8H8NO2- *
water

N  Param.: 13.09

sN Param.: 0.50
*** J. Org. Chem. 2004, 69, 7565-7576
10.1021/jo048773j
anion of phenylnitromethane (in 91M9AN)
C7H6NO2- *
MeOH-MeCN mix

N  Param.: 12.51

sN Param.: 0.67
*** Eur. J. Org. Chem. 2006, , 2530-2537
10.1002/ejoc.200500769
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 phenylnitromethane (in H2O)
C7H6NO2- *
water

N  Param.: 12.05

sN Param.: 0.53
*** J. Org. Chem. 2004, 69, 7565-7576
10.1021/jo048773j
anion of triethyl methanetricarboxylate (in DMSO)
C10H15O6 *
DMSO

N  Param.: 15.33

sN Param.: 0.72
*** Eur. J. Org. Chem. 2016, , 1841-1848
10.1002/ejoc.201600107
anisole
C7H8O *
dichloromethane

N  Param.: -1.18

sN Param.: 1.20
* Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
arginine (betaine, in water)
C6H14N4O2 *
water

N  Param.: 12.96

sN Param.: 0.57
*** Org. Biomol. Chem. 2007, 5, 3814-3820
10.1039/b713778h
asparagine (anionic, in water)
C4H7N2O3 *
water

N  Param.: 13.03

sN Param.: 0.53
*** Org. Biomol. Chem. 2007, 5, 3814-3820
10.1039/b713778h
aspartate (dianionic, in water)
C4H5NO4 *
water

N  Param.: 13.81

sN Param.: 0.53
*** Org. Biomol. Chem. 2007, 5, 3814-3820
10.1039/b713778h
azide ion (in 45M55AN)
N3- *
MeOH-MeCN mix

N  Param.: 15.01

sN Param.: 0.80
*** J. Phys. Org. Chem. 2006, 19, 706-713
10.1002/poc.1063
azide ion (in 91E9AN)
N3- *
EtOH-MeCN mix

N  Param.: 16.30

sN Param.: 0.73
*** J. Phys. Org. Chem. 2006, 19, 706-713
10.1002/poc.1063
azide ion (in 91iPr9AN)
N3- *
iPrOH-MeCN mix

N  Param.: 17.07

sN Param.: 0.71
*** J. Phys. Org. Chem. 2006, 19, 706-713
10.1002/poc.1063
azide ion (in 91M9AN)
N3- *
MeOH-MeCN mix

N  Param.: 14.54

sN Param.: 0.82
*** J. Phys. Org. Chem. 2006, 19, 706-713
10.1002/poc.1063
azide ion (in 91nPr9AN)
N3- *
nPrOH-MeCN mix

N  Param.: 16.70

sN Param.: 0.73
*** J. Phys. Org. Chem. 2006, 19, 706-713
10.1002/poc.1063
azide ion (in DMSO)
N3- *
DMSO

N  Param.: 20.50

sN Param.: 0.59
*** J. Phys. Org. Chem. 2006, 19, 706-713
10.1002/poc.1063
azulene
C10H8 *
MeCN

N  Param.: 6.66

sN Param.: 1.02
*** Eur. J. Org. Chem. 2009, , 1202-1206
10.1002/ejoc.200801099
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
benzimidazole (in DMSO)
*
DMSO

N  Param.: 10.50

sN Param.: 0.79
*** Org. Biomol. Chem. 2010, 8, 1929-1935
10.1039/c000965b
benzimidazole anion (in DMSO)
*
DMSO

N  Param.: 19.13

sN Param.: 0.55
*** Chem. Eur. J. 2012, 18, 127-137
10.1002/chem.201102411
benzoate (in 90AN10W)
*
aq MeCN

N  Param.: 11.30

sN Param.: 0.72
** J. Am. Chem. Soc. 2008, 130, 3012-3022
10.1021/ja0765464
benzoate (in MeCN)
*
MeCN

N  Param.: 16.82

sN Param.: 0.70
*** J. Am. Chem. Soc. 2008, 130, 3012-3022
10.1021/ja0765464
benzoate (inMeCN)
*
MeCN

N  Param.: 16.45

sN Param.: 0.72
*** J. Am. Chem. Soc. 2020, 142, 5221-5233
10.1021/jacs.9b12998
benzohydrazide (in MeCN)
*
MeCN

N  Param.: 12.49

sN Param.: 0.66
*** J. Org. Chem. 2012, 77, 8142-8155
10.1021/jo301497g
benzotriazole (in MeCN)
*
MeCN

N  Param.: 7.69

sN Param.: 0.76
* Org. Biomol. Chem. 2010, 8, 1929-1935
10.1039/c000965b
benzotriazole anion (in DMSO)
*
DMSO

N  Param.: 16.29

sN Param.: 0.65
*** Chem. Eur. J. 2012, 18, 127-137
10.1002/chem.201102411
benzotriazole anion (in water)
*
water

N  Param.: 11.52

sN Param.: 0.67
*** Chem. Eur. J. 2012, 18, 127-137
10.1002/chem.201102411
benzyl (1-phenylvinyl)carbamate
C16H15NO2 *
MeCN

N  Param.: 6.21

sN Param.: 0.87
*** Chem. Eur. J. 2012, 18, 5732-5740
10.1002/chem.201103519
benzyl isocyanide
C8H7N *
dichloromethane

N  Param.: 4.90

sN Param.: 0.74
*** Angew. Chem. Int. Ed. 2007, 46, 3563-3566
10.1002/anie.200605205
benzylamine (in 91M9AN)
C7H9N *
MeOH-MeCN mix

N  Param.: 13.46

sN Param.: 0.62
*** Angew. Chem. Int. Ed. 2006, 45, 3869-3874
10.1002/anie.200600542
benzylamine (in DMSO)
*
DMSO

N  Param.: 15.28

sN Param.: 0.65
*** J. Am. Chem. Soc. 2009, 131, 11392-11401
10.1021/ja903207b
benzylamine (in MeCN)
*
MeCN

N  Param.: 14.29

sN Param.: 0.67
*** Eur. J. Org. Chem. 2009, , 6379-6385
10.1002/ejoc.200900925
benzylamine (in water)
C7H9N *
water

N  Param.: 13.44

sN Param.: 0.55
*** J. Org. Chem. 2007, 72, 3679-3688
10.1021/jo062586z
benzyldimethylsilane
C9H14Si *
dichloromethane

N  Param.: 2.78

sN Param.: 0.73
* Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
beta-(trimethylsilyl)styrene
C11H16Si *
dichloromethane

N  Param.: -0.43

sN Param.: 1.06
*** Chem. Eur. J. 2014, 20, 1103-1110
10.1002/chem.201303215
beta-alanine (anionic, in water)
C3H6NO2 *
water

N  Param.: 13.26

sN Param.: 0.58
*** Org. Biomol. Chem. 2007, 5, 3814-3820
10.1039/b713778h
beta-piperidinium-peroxypropionate
*
water

N  Param.: 13.94

sN Param.: 0.62
*** Eur. J. Org. Chem. 2018, , 6010-6017
10.1002/ejoc.201801158
bis(4-(dimethylamino)phenyl)phenylmethane (in MeCN)
C23H26N2 *
MeCN

N  Param.: -4.20

sN Param.: 0.82
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
bis(4-methoxyphenyl)methane (in CH2Cl2)
C15H16O2 *
dichloromethane

N  Param.: -2.11

sN Param.: 0.98
** J. Am. Chem. Soc. 2014, 136, 13863-13873
10.1021/ja507598y
bis(4-methoxyphenyl)phenylmethane (in MeCN)
C21H20O2 *
MeCN

N  Param.: -7.00

sN Param.: 0.82
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
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.[...]
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
borane-2,6-lutidine-complex
*
dichloromethane

N  Param.: 10.33

sN Param.: 0.75
* Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
borane-4-methoxypyridine-complex
*
dichloromethane

N  Param.: 11.01

sN Param.: 0.75
* Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
borane-4-tBu-pyridine-complex
*
dichloromethane

N  Param.: 10.46

sN Param.: 0.75
* Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
borane-DMAP-complex
*
dichloromethane

N  Param.: 12.44

sN Param.: 0.76
*** Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
borane-N,N-diethylaniline-complex
*
dichloromethane

N  Param.: 8.53

sN Param.: 0.75
* Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
borane-N,N-diisopropylaniline-complex
*
dichloromethane

N  Param.: 8.84

sN Param.: 0.75
* Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
borane-N-ethyl-N-isopropylaniline-complex
*
dichloromethane

N  Param.: 9.12

sN Param.: 0.75
* Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
borane-pyridine-complex
*
dichloromethane

N  Param.: 10.01

sN Param.: 0.75
* Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
borane-triethylamine-complex
C6H18BN *
dichloromethane

N  Param.: 8.90

sN Param.: 0.75
*** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
borane-trimethylamine-complex
*
dichloromethane

N  Param.: 7.97

sN Param.: 0.75
* Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
bromide (in 20% aq MeCN)
Br *
water-MeCN mix

N  Param.: 12.20

sN Param.: 0.60
* J. Am. Chem. Soc. 2005, 127, 2641-2649
10.1021/ja045562n