Mayr's Database of Reactivity Parameters

Nucleophiles

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Name Solvent Reactivity
Parameters
Classification Reference
(title or year)
tri-p-tolylmethane (in MeCN)
C22H22 *
MeCN

N  Param.: -8.80

sN Param.: 0.82
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
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
tetraethylsilane
*
MeCN

N  Param.: -6.50

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
(2,2-diphenylethyl)diethyl(methyl)silane
*
dichloromethane

N  Param.: -6.40

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
butyltrimethylsilane
*
dichloromethane

N  Param.: -5.40

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
1,3-bis(trimethylsilyl)propane
*
dichloromethane/MeCN mix

N  Param.: -5.30

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
tris(4-methoxyphenyl)methane (in MeCN)
*
MeCN

N  Param.: -5.18

sN Param.: 0.82
* Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
diethylether (in dichloromethane)
*
dichloromethane

N  Param.: -5.10

sN Param.: 0.80
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
dimethoxymethane
*
dichloromethane

N  Param.: -4.90

sN Param.: 0.80
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
trimethyl(3-(trimethylgermyl)propyl)silane (in MeCN)
*
MeCN

N  Param.: -4.80

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
1,6-bis(trimethylsilyl)hexane
*
dichloromethane

N  Param.: -4.70

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
tetraethylgermane (in MeCN)
*
MeCN

N  Param.: -4.70

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
toluene
C7H8 *
dichloromethane

N  Param.: -4.36

sN Param.: 1.77
***** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
triphenylmethane
*
dichloromethane

N  Param.: -4.27

sN Param.: 0.80
* Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
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
allylbenzene
C9H10 *
dichloromethane

N  Param.: -4.12

sN Param.: 0.97
* J. Am. Chem. Soc. 2002, 124, 4076-4083
10.1021/ja0121538
2-isopropyl-4,5-dimethyl-1,3-dioxolane (ani)
*
dichloromethane

N  Param.: -4.10

sN Param.: 0.80
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
(4,4-dimethylpentyl)trimethylstannane
*
dichloromethane/MeCN mix

N  Param.: -3.90

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
1,1-dimethylsilolane
*
dichloromethane

N  Param.: -3.86

sN Param.: 1.10
* Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
1,3-dioxepane
*
dichloromethane

N  Param.: -3.80

sN Param.: 0.80
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
2-chloropropene
C3H5Cl *
dichloromethane

N  Param.: -3.65

sN Param.: 1.97
***** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
tri-p-tolylmethane
*
dichloromethane

N  Param.: -3.62

sN Param.: 0.80
* Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
m-xylene
C8H10 *
dichloromethane

N  Param.: -3.57

sN Param.: 2.08
***** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
(3,3,4,4,5,5,6,6,7,7,7-undecafluoro)-2-(trimethylsiloxy)hept-1-ene
*
dichloromethane

N  Param.: -3.52

sN Param.: 1.17
*** Org. Lett. 2012, 14, 3990-3993
10.1021/ol301766w
trimethyl(phenethyl)silane
*
dichloromethane

N  Param.: -3.50

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
tetrahydrofuran (in dichloromethane)
C4H8O *
dichloromethane

N  Param.: -3.50

sN Param.: 0.80
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
2-isopropyl-4,5-dimethyl-1,3-dioxolane (syn)
*
dichloromethane

N  Param.: -3.50

sN Param.: 0.80
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
trimethyl(3-(trimethylstannyl)propyl)silane (in MeCN)
*
MeCN

N  Param.: -3.40

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
1,3-bis(trimethylgermyl)propane (in MeCN)
*
MeCN

N  Param.: -3.40

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
2-methyl-1,3-dioxolane
*
dichloromethane

N  Param.: -3.30

sN Param.: 0.80
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
tris(4-(dimethylamino)phenyl)methane (in MeCN)
C25H31N3 *
MeCN

N  Param.: -3.30

sN Param.: 0.82
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
1,2-dihydronaphthalene (in MeCN)
C10H10 *
MeCN

N  Param.: -3.30

sN Param.: 1.00
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
dichloro(methyl)silane
*
dichloromethane

N  Param.: -3.20

sN Param.: 0.73
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
1,1-dimethylsilepane
*
dichloromethane

N  Param.: -3.10

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
3-methyl-1,4-pentadiene
C6H10 *
dichloromethane

N  Param.: -3.08

sN Param.: 0.97
* J. Am. Chem. Soc. 2002, 124, 4076-4083
10.1021/ja0121538
2,4,5-trimethyl-1,3-dioxolane (anti)
*
dichloromethane

N  Param.: -3.00

sN Param.: 0.80
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
1,4-pentadiene
C5H8 *
dichloromethane

N  Param.: -2.99

sN Param.: 0.97
* J. Am. Chem. Soc. 2002, 124, 4076-4083
10.1021/ja0121538
3,3,3-trifluoro-2-(trimethylsiloxy)propene
*
dichloromethane

N  Param.: -2.94

sN Param.: 1.11
*** Org. Lett. 2012, 14, 3990-3993
10.1021/ol301766w
2-ethyl-4,5-dimethyl-1,3-dioxolane (anti)
*
dichloromethane

N  Param.: -2.90

sN Param.: 0.80
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
1,3-dioxolane
C3H6O2 *
dichloromethane

N  Param.: -2.86

sN Param.: 0.80
*** Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
p-cymene
C10H14 *
dichloromethane

N  Param.: -2.80

sN Param.: 0.97
* J. Am. Chem. Soc. 2002, 124, 4076-4083
10.1021/ja0121538
1-hexene
C6H12 *
dichloromethane

N  Param.: -2.77

sN Param.: 1.41
***** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
isopropanol (in aq. sulfuric acid)
C3H8O *
water

N  Param.: -2.60

sN Param.: 0.80
* Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
4,5-dimethyl-2-vinyl-1,3-dioxolane
*
dichloromethane

N  Param.: -2.60

sN Param.: 0.80
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
2,4,5-trimethyl-1,3-dioxolane (syn)
*
dichloromethane

N  Param.: -2.50

sN Param.: 0.80
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
1,4-dihydronaphthalene (in MeCN)
C10H10 *
MeCN

N  Param.: -2.50

sN Param.: 1.00
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
(E)-but-2-ene
C4H8 *
dichloromethane

N  Param.: -2.45

sN Param.: 1.10
* Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
(Z)-but-2-ene
C4H8 *
dichloromethane

N  Param.: -2.44

sN Param.: 1.09
** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
propene
C3H6 *
dichloromethane

N  Param.: -2.41

sN Param.: 1.00
* Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
1,1-dimethylsilinane
C7H16Si *
dichloromethane

N  Param.: -2.40

sN Param.: 1.10
* Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
tetraethylstannane (in MeCN)
*
MeCN

N  Param.: -2.40

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
trimethyl(3-(trimethylstannyl)propyl)germane (in MeCN)
*
MeCN

N  Param.: -2.40

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
4,5-dimethyl-1,3-dioxolane (anti)
*
dichloromethane

N  Param.: -2.40

sN Param.: 0.80
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
2-ethyl-4,5-dimethyl-1,3-dioxolane (syn)
*
dichloromethane

N  Param.: -2.40

sN Param.: 0.80
- 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
1,1-dimethylsiletane
*
dichloromethane

N  Param.: -2.10

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
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
tetraethylstannane (in 1,2-DCE)
*
1,2-dichloroethane

N  Param.: -1.90

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
triethoxysilane
C6H16O3Si *
dichloromethane

N  Param.: -1.80

sN Param.: 0.75
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
(4-chlorophenethyl)trimethylstannane
*
1,2-dichloroethane

N  Param.: -1.80

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
1,3-bis(trimethylstannyl)propane (in MeCN)
*
MeCN

N  Param.: -1.70

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
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
cyclopentene
C5H8 *
dichloromethane

N  Param.: -1.55

sN Param.: 1.10
* Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
2-(trimethylsilyl)propene
C6H14Si *
dichloromethane

N  Param.: -1.46

sN Param.: 1.05
*** Chem. Eur. J. 2014, 20, 1103-1110
10.1002/chem.201303215
dimethyl diazomalonate
C5H6N2O4 *
dichloromethane

N  Param.: -1.24

sN Param.: 0.81
*** J. Am. Chem. Soc. 2023, 145, 7416-7434
10.1021/jacs.2c13872
trimethyl(3-(trimethylplumbyl)propyl)silane (in MeCN)
*
MeCN

N  Param.: -1.20

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
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
anisole
C7H8O *
dichloromethane

N  Param.: -1.18

sN Param.: 1.20
* Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
alpha-(trimethylsilyl)styrene
C11H16Si *
dichloromethane

N  Param.: -1.13

sN Param.: 1.46
*** Chem. Eur. J. 2014, 20, 1103-1110
10.1002/chem.201303215
4-(trimethylsilyl)but-1-en-3-ynyl-Co2(CO)6
*
dichloromethane

N  Param.: -1.11

sN Param.: 0.92
*** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
tetra-sec.butylstannane (in 1,2-DCE)
*
1,2-dichloroethane

N  Param.: -1.10

sN Param.: 1.15
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
trimethyl(phenethyl)stannane
*
1,2-dichloroethane

N  Param.: -1.10

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
(Z)-phenylpropene
C9H10 *
dichloromethane

N  Param.: -1.07

sN Param.: 1.10
* Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
2-propyl-1,3-dioxolane
C6H12O2 *
dichloromethane

N  Param.: -1.06

sN Param.: 0.81
*** Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
thiophene
C4H4S *
dichloromethane

N  Param.: -1.01

sN Param.: 1.10
* Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
tetramethylethylene
C6H12 *
dichloromethane

N  Param.: -1.00

sN Param.: 1.40
*** Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
trimethyl(3-(trimethylplumbyl)propyl)germane (in MeCN)
*
MeCN

N  Param.: -1.00

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
2-phenyldioxolane
C9H10O2 *
dichloromethane

N  Param.: -0.90

sN Param.: 0.80
* Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
HW(CO)3(C5H4CO2Me)
*
dichloromethane

N  Param.: -0.90

sN Param.: 0.80
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
3-propylcyclopentene
C8H14 *
dichloromethane

N  Param.: -0.88

sN Param.: 0.94
*** J. Am. Chem. Soc. 2002, 124, 4076-4083
10.1021/ja0121538
buta-1,3-diene
C4H6 *
dichloromethane

N  Param.: -0.87

sN Param.: 1.00
* Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
9,10-dihydroanthracene
C14H12 *
dichloromethane

N  Param.: -0.86

sN Param.: 0.92
*** J. Am. Chem. Soc. 2002, 124, 4076-4083
10.1021/ja0121538
2-(trimethylsilyl)thiophene
C7H12SSi *
dichloromethane

N  Param.: -0.80

sN Param.: 1.00
* Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
(2-([1,1'-biphenyl]-4-yl)ethyl)trimethylstannane
*
1,2-dichloroethane

N  Param.: -0.80

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
4-(trimethylsilyl)but-1-en-3-ynyl-Co2(CO)5(PPh3)
*
dichloromethane

N  Param.: -0.76

sN Param.: 0.90
* Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
(E,E)-2,5-heptadiene
C7H12 *
dichloromethane

N  Param.: -0.74

sN Param.: 0.99
*** J. Am. Chem. Soc. 2002, 124, 4076-4083
10.1021/ja0121538
4-methyl-2,5-heptadiene
C8H14 *
dichloromethane

N  Param.: -0.73

sN Param.: 0.97
* J. Am. Chem. Soc. 2002, 124, 4076-4083
10.1021/ja0121538
diethylmercury (in MeCN)
*
MeCN

N  Param.: -0.70

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
1-(p-tolyl)-1-(trimethylsilyl)ethene
C12H18Si *
dichloromethane

N  Param.: -0.65

sN Param.: 1.59
*** Chem. Eur. J. 2014, 20, 1103-1110
10.1002/chem.201303215
4,4,5,5-tetramethyl-2-prop-2-enyl-1,3,2-dioxaborolane (in CH2Cl2)
C9H17BO2 *
dichloromethane

N  Param.: -0.64

sN Param.: 1.10
*** J. Am. Chem. Soc. 2017, 139, 15324-15327
10.1021/jacs.7b10240
allylchlorodimethylsilane
C5H11ClSi *
dichloromethane

N  Param.: -0.57

sN Param.: 1.06
***** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
(2-methylallyl)trichlorosilane
C4H7Cl3Si *
dichloromethane

N  Param.: -0.57

sN Param.: 0.95
* Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
cycloocta-1,3-diene
C8H12 *
dichloromethane

N  Param.: -0.50

sN Param.: 1.10
* Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
tetrapropylstannane (in 1,2-DCE)
*
1,2-dichloroethane

N  Param.: -0.50

sN Param.: 1.13
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
trimethyl(4-methylphenethyl)stannane
*
1,2-dichloroethane

N  Param.: -0.50

sN Param.: 1.10
- Chem. Eur. J. 2013, 19, 249-263
10.1002/chem.201202839
(E)-propenylbenzene
C9H10 *
dichloromethane

N  Param.: -0.49

sN Param.: 1.18
***** J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
methylenecyclopropane
C4H6 *
dichloromethane

N  Param.: -0.47

sN Param.: 0.90
* Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
1-ethinylcyclohexenyl-Co2(CO)6
*
dichloromethane

N  Param.: -0.44

sN Param.: 1.06
*** J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
beta-(trimethylsilyl)styrene
C11H16Si *
dichloromethane

N  Param.: -0.43

sN Param.: 1.06
*** Chem. Eur. J. 2014, 20, 1103-1110
10.1002/chem.201303215
diethyl diazomalonate
C7H10N2O4 *
dichloromethane

N  Param.: -0.35

sN Param.: 0.93
** Chem. Eur. J. 2003, 9, 4068-4076
10.1002/chem.200304913