Mayr's Database of Reactivity Parameters

O-Nucleophiles

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Name Solvent Reactivity
Parameters
Classification Reference
(title or year)
H2O (in water)
H2O*
water

N  Param.: 5.20

sN Param.: 0.89
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
OH- (in 50/50 water/MeCN)
HO*
water-MeCN mix

N  Param.: 10.19

sN Param.: 0.62
***J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
OH- (in water)
HO*
water

N  Param.: 10.47

sN Param.: 0.61
***J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
2,2,2-trifluoroethanolate (in water)
C2H2F3O*
water

N  Param.: 12.66

sN Param.: 0.59
***J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
HOO- (in water)
HO2*
water

N  Param.: 15.40

sN Param.: 0.55
***J. Am. Chem. Soc. 2003, 125, 286-295
10.1021/ja021010y
10% water/90% acetone (v/v)
H2O*
water-acetone mix

N  Param.: 5.70

sN Param.: 0.85
***Angew. Chem. Int. Ed. 2004, 43, 2302-2305
10.1002/anie.200353468
20% water/80% acetone (v/v)
H2O*
water-acetone mix

N  Param.: 5.77

sN Param.: 0.87
***Angew. Chem. Int. Ed. 2004, 43, 2302-2305
10.1002/anie.200353468
91% water/9% MeCN (v/v)
H2O*
water-MeCN mix

N  Param.: 5.16

sN Param.: 0.91
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
80% water/20% MeCN (v/v)
H2O*
water-MeCN mix

N  Param.: 5.04

sN Param.: 0.89
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
67% water/33% MeCN (v/v)
H2O*
water-MeCN mix

N  Param.: 5.05

sN Param.: 0.90
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
50% water/50% MeCN (v/v)
H2O*
water-MeCN mix

N  Param.: 5.05

sN Param.: 0.89
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
33% water/67% MeCN (v/v)
H2O*
water-MeCN mix

N  Param.: 5.02

sN Param.: 0.90
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
20% water/80% MeCN (v/v)
H2O*
water-MeCN mix

N  Param.: 5.02

sN Param.: 0.89
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
10% water/90% MeCN (v/v)
H2O*
water-MeCN mix

N  Param.: 4.56

sN Param.: 0.94
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
trifluoroethanol
C2H3F3O*
TFE

N  Param.: 1.11

sN Param.: 0.96
***J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
10% water/90%TFE (v/v)
H2O*
water-TFE mix

N  Param.: 2.93

sN Param.: 0.88
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
20% water/80%TFE (v/v)
H2O*
water-TFE mix

N  Param.: 3.20

sN Param.: 0.88
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
40% water/60%TFE (v/v)
H2O*
water-TFE mix

N  Param.: 3.42

sN Param.: 0.90
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
50% water/50%TFE (v/v)
H2O*
water-TFE mix

N  Param.: 3.57

sN Param.: 0.89
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
60% water/40%TFE (v/v)
H2O*
water-TFE mix

N  Param.: 3.77

sN Param.: 0.88
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
80% water/20%TFE (v/v)
H2O*
water-TFE mix

N  Param.: 4.78

sN Param.: 0.83
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
90% water/10%TFE (v/v)
H2O*
water-TFE mix

N  Param.: 5.04

sN Param.: 0.90
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
methanol
CH4O*
MeOH

N  Param.: 7.54

sN Param.: 0.92
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
ethanol
C2H6O*
EtOH

N  Param.: 7.44

sN Param.: 0.90
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
10% water/90%EtOH (v/v)
*
water-EtOH mix

N  Param.: 7.03

sN Param.: 0.86
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
20% water/80%EtOH (v/v)
*
water-EtOH mix

N  Param.: 6.68

sN Param.: 0.85
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
40% water/60%EtOH (v/v)
*
water-EtOH mix

N  Param.: 6.28

sN Param.: 0.87
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
50% water/50%EtOH (v/v)
*
water-EtOH mix

N  Param.: 5.96

sN Param.: 0.89
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
60% water/40%EtOH (v/v)
*
water-EtOH mix

N  Param.: 5.81

sN Param.: 0.90
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
80% water/20%EtOH (v/v)
*
water-EtOH mix

N  Param.: 5.54

sN Param.: 0.94
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
90% water/10%EtOH (v/v)
*
water-EtOH mix

N  Param.: 5.38

sN Param.: 0.91
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
91% ethanol/9% MeCN (v/v)
C2H6O*
EtOH-MeCN mix

N  Param.: 7.10

sN Param.: 0.90
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
80% ethanol/20% MeCN (v/v)
C2H6O*
EtOH-MeCN mix

N  Param.: 6.94

sN Param.: 0.90
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
67% ethanol/33% MeCN (v/v)
C2H6O*
EtOH-MeCN mix

N  Param.: 6.74

sN Param.: 0.89
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
50% ethanol/50% MeCN (v/v)
C2H6O*
EtOH-MeCN mix

N  Param.: 6.37

sN Param.: 0.90
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
33% ethanol/67% MeCN (v/v)
C2H6O*
EtOH-MeCN mix

N  Param.: 6.06

sN Param.: 0.90
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
20% ethanol/80% MeCN (v/v)
C2H6O*
EtOH-MeCN mix

N  Param.: 5.77

sN Param.: 0.92
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
10% ethanol/90% MeCN (v/v)
C2H6O*
EtOH-MeCN mix

N  Param.: 5.19

sN Param.: 0.96
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
91% methanol/9% MeCN (v/v)
CH4O*
MeOH-MeCN mix

N  Param.: 7.45

sN Param.: 0.87
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
80% methanol/20% MeCN (v/v)
CH4O*
MeOH-MeCN mix

N  Param.: 7.20

sN Param.: 0.89
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
67% methanol/33% MeCN (v/v)
CH4O*
MeOH-MeCN mix

N  Param.: 7.01

sN Param.: 0.91
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
50% methanol/50% MeCN (v/v)
CH4O*
MeOH-MeCN mix

N  Param.: 6.67

sN Param.: 0.90
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
33% methanol/67% MeCN (v/v)
CH4O*
MeOH-MeCN mix

N  Param.: 6.38

sN Param.: 0.92
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
20% methanol/80% MeCN (v/v)
CH4O*
MeOH-MeCN mix

N  Param.: 6.04

sN Param.: 0.94
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
10% methanol/90% MeCN (v/v)
CH4O*
MeOH-MeCN mix

N  Param.: 5.55

sN Param.: 0.97
***J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
91% n-propanol/9% MeCN (v/v)
C3H8O*
nPrOH-MeCN mix

N  Param.: 7.05

sN Param.: 0.80
***Can. J. Chem. 2005, 83, 1554-1560
10.1139%2Fv05-170
91% propan-2-ol/9% MeCN (v/v)
C3H8O*
iPrOH-MeCN mix

N  Param.: 6.49

sN Param.: 0.96
***Can. J. Chem. 2005, 83, 1554-1560
10.1139%2Fv05-170
methanolate (in methanol)
CH3O-*
MeOH

N  Param.: 15.78

sN Param.: 0.56
***Can. J. Chem. 2005, 83, 1554-1560
10.1139%2Fv05-170
ethanolate (in ethanol)
C2H5O-*
EtOH

N  Param.: 15.78

sN Param.: 0.65
***Can. J. Chem. 2005, 83, 1554-1560
10.1139%2Fv05-170
n-propanolate (in propan-1-ol)
C3H8O-*
nPrOH

N  Param.: 16.03

sN Param.: 0.70
***Can. J. Chem. 2005, 83, 1554-1560
10.1139%2Fv05-170
isopropanolate (in propan-2-ol)
C3H8O-*
iPrOH

N  Param.: 17.03

sN Param.: 0.63
***Can. J. Chem. 2005, 83, 1554-1560
10.1139%2Fv05-170
methanolate (in 91M9AN)
CH3O-*
MeOH-MeCN mix

N  Param.: 14.51

sN Param.: 0.68
***Can. J. Chem. 2005, 83, 1554-1560
10.1139%2Fv05-170
ethanolate (in 91E9AN)
C2H5O-*
EtOH-MeCN mix

N  Param.: 16.08

sN Param.: 0.62
***Can. J. Chem. 2005, 83, 1554-1560
10.1139%2Fv05-170
n-propanolate (in 91nPr9AN)
C3H8O-*
nPrOH-MeCN mix

N  Param.: 16.73

sN Param.: 0.63
***Can. J. Chem. 2005, 83, 1554-1560
10.1139%2Fv05-170
isopropanolate (in 91iPr9AN)
C3H8O-*
iPrOH-MeCN mix

N  Param.: 17.71

sN Param.: 0.58
***Can. J. Chem. 2005, 83, 1554-1560
10.1139%2Fv05-170
DMSO (O attack)
*
DMSO

N  Param.: 11.30

sN Param.: 0.74
***J. Am. Chem. Soc. 2009, 131, 11392-11401
10.1021/ja903207b
acetate (in MeCN)
*
MeCN

N  Param.: 16.90

sN Param.: 0.75
***J. Am. Chem. Soc. 2008, 130, 3012-3022
10.1021/ja0765464
acetate (in 90A10W)
*
aq acetone

N  Param.: 12.71

sN Param.: 0.68
***J. Am. Chem. Soc. 2008, 130, 3012-3022
10.1021/ja0765464
acetate (in 80A20W)
*
aq acetone

N  Param.: 12.50

sN Param.: 0.60
**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 (in 90AN10W)
*
aq MeCN

N  Param.: 11.30

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

N  Param.: 15.30

sN Param.: 0.76
***J. Am. Chem. Soc. 2008, 130, 3012-3022
10.1021/ja0765464
p-nitrobenzoate (in acetone)
*
acetone

N  Param.: 18.74

sN Param.: 0.68
***J. Am. Chem. Soc. 2008, 130, 3012-3022
10.1021/ja0765464
3,5-dinitrobenzoate (in MeCN)
*
MeCN

N  Param.: 14.90

sN Param.: 0.71
**J. Am. Chem. Soc. 2008, 130, 3012-3022
10.1021/ja0765464
3,5-dinitrobenzoate (in acetone)
*
acetone

N  Param.: 18.80

sN Param.: 0.62
**J. Am. Chem. Soc. 2008, 130, 3012-3022
10.1021/ja0765464
methyl carbonate (in MeCN)
*
MeCN

N  Param.: 16.03

sN Param.: 0.64
***Eur. J. Org. Chem. 2010, , 4205-4210
10.1002/ejoc.201000414
acetonitrile (in MeCN)
*
MeCN

N  Param.: 2.23

sN Param.: 0.84
***J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
50% water/50% HFIP (w/w)
*
water-HFIP mix

N  Param.: 1.50

sN Param.: 1.03
***J. Phys. Org. Chem. 2013, 26, 59-63
10.1002/poc.3064
30% water/70% HFIP (w/w)
*
water-HFIP mix

N  Param.: 1.65

sN Param.: 0.96
***J. Phys. Org. Chem. 2013, 26, 59-63
10.1002/poc.3064
10% water/90% HFIP (w/w)
*
water-HFIP mix

N  Param.: 0.96

sN Param.: 0.93
***J. Phys. Org. Chem. 2013, 26, 59-63
10.1002/poc.3064
7% water/93% HFIP (w/w)
*
water-HFIP mix

N  Param.: 0.34

sN Param.: 0.96
***J. Phys. Org. Chem. 2013, 26, 59-63
10.1002/poc.3064
5% water/95% HFIP (w/w)
*
water-HFIP mix

N  Param.: -0.10

sN Param.: 0.97
***J. Phys. Org. Chem. 2013, 26, 59-63
10.1002/poc.3064
3% water/97% HFIP (w/w)
*
water-HFIP mix

N  Param.: -1.19

sN Param.: 1.08
***J. Phys. Org. Chem. 2013, 26, 59-63
10.1002/poc.3064
2% water/98% HFIP (w/w)
*
water-HFIP mix

N  Param.: -1.62

sN Param.: 1.10
***J. Phys. Org. Chem. 2013, 26, 59-63
10.1002/poc.3064
1% water/99% HFIP (w/w)
*
water-HFIP mix

N  Param.: -1.93

sN Param.: 1.09
***J. Phys. Org. Chem. 2013, 26, 59-63
10.1002/poc.3064
(Z)-2-phenyl-1-(1,3,4-triphenyl-4H-1,2,4-triazol-1-ium-5-yl)prop-1-en-1-olate (in THF)
C29H23N3O*
THF

N  Param.: 16.73

sN Param.: 0.63
**Angew. Chem. Int. Ed. 2013, 52, 11163-11167
10.1002/ange.201303524
t-butylperoxy anion (in H2O)
C4H9O2*
water

N  Param.: 14.29

sN Param.: 0.51
***Angew. Chem. Int. Ed. 2017, 56, 13279-13282
10.1002/anie.201707086
cumene peroxy anion (in H2O)
C9H11O2*
water

N  Param.: 13.92

sN Param.: 0.61
***Angew. Chem. Int. Ed. 2017, 56, 13279-13282
10.1002/anie.201707086
phthalimidoperoxyhexanoate (in H2O)
C14H20NO5*
water

N  Param.: 16.02

sN Param.: 0.54
***Angew. Chem. Int. Ed. 2017, 56, 13279-13282
10.1002/anie.201707086
2-phenylperoxyacetate (in H2O)
C8H7O3*
water

N  Param.: 15.63

sN Param.: 0.56
***Angew. Chem. Int. Ed. 2017, 56, 13279-13282
10.1002/anie.201707086
3,5-dichloroperoxybenzoate (in H2O)
C7H3Cl2O3*
water

N  Param.: 17.93

sN Param.: 0.50
***Angew. Chem. Int. Ed. 2017, 56, 13279-13282
10.1002/anie.201707086
magnesium 2-carboperoxybenzoate (in H2O)
C8H4O5*
water

N  Param.: 18.43

sN Param.: 0.46
***Angew. Chem. Int. Ed. 2017, 56, 13279-13282
10.1002/anie.201707086
3-chloroperoxybenzoate (in H2O)
C7H4ClO3*
water

N  Param.: 18.19

sN Param.: 0.47
***Angew. Chem. Int. Ed. 2017, 56, 13279-13282
10.1002/anie.201707086
4-fluoroperoxybenzoate (in H2O)
C7H4FO3*
water

N  Param.: 17.99

sN Param.: 0.47
***Angew. Chem. Int. Ed. 2017, 56, 13279-13282
10.1002/anie.201707086
4-nitroperoxybenzoate (in H2O)
C7H4NO5*
water

N  Param.: 17.43

sN Param.: 0.50
***Angew. Chem. Int. Ed. 2017, 56, 13279-13282
10.1002/anie.201707086
4-methoxyperoxybenzoate (in H2O)
C8H7O4*
water

N  Param.: 17.84

sN Param.: 0.46
***Angew. Chem. Int. Ed. 2017, 56, 13279-13282
10.1002/anie.201707086
3-chloro-4-methoxyperoxybenzoate (in H2O)
C8H6ClO4*
water

N  Param.: 18.56

sN Param.: 0.48
***Angew. Chem. Int. Ed. 2017, 56, 13279-13282
10.1002/anie.201707086
peroxybenzoate (in H2O)
C7H5O3*
water

N  Param.: 18.57

sN Param.: 0.43
***Angew. Chem. Int. Ed. 2017, 56, 13279-13282
10.1002/anie.201707086