Mayr's Database of Reactivity Parameters

C-Nucleophiles

1 | 2 | 3 | 4 | 5 | 6 Found 526 molecules, displaying page 5 of 6 Results per page 10|50|100|all
Name Solvent Reactivity
Parameters
Classification Reference
(title or year)
Desoxy Breslow intermediate 2b
*
THF

N  Param.: 13.91

sN Param.: 0.64
***Angew. Chem. Int. Ed. 2012, 51, 6231-6235
10.1002/anie.201202327
Desoxy Breslow intermediate 2b'
*
THF

N  Param.: 11.42

sN Param.: 0.70
***Angew. Chem. Int. Ed. 2012, 51, 6231-6235
10.1002/anie.201202327
Desoxy Breslow intermediate 2c'
*
THF

N  Param.: 12.75

sN Param.: 0.71
***Angew. Chem. Int. Ed. 2012, 51, 6231-6235
10.1002/anie.201202327
Dexoxy Breslow intermediate 6
*
THF

N  Param.: 15.58

sN Param.: 0.57
***Angew. Chem. Int. Ed. 2012, 51, 10408-10412
10.1002/anie.201204524
diazoacetone
C3H4N2O*
dichloromethane

N  Param.: 3.96

sN Param.: 0.91
***Chem. Eur. J. 2003, 9, 4068-4076
10.1002/chem.200304913
diazomethane
CH2N2*
dichloromethane

N  Param.: 10.48

sN Param.: 0.78
***Chem. Eur. J. 2003, 9, 4068-4076
10.1002/chem.200304913
diethyl diazomalonate
C7H10N2O4*
dichloromethane

N  Param.: -0.35

sN Param.: 0.93
**Chem. Eur. J. 2003, 9, 4068-4076
10.1002/chem.200304913
Dimedone iodonium ylide (in CH2Cl2)
*
dichloromethane

N  Param.: 6.18

sN Param.: 0.81
***J. Am. Chem. Soc. 2016, 138, 10304-10313
10.1021/jacs.6b05768
Dimethyl 1,1'-isopropylidenezirconocene
*
dichloromethane

N  Param.: 5.20

sN Param.: 1.00
*Chem. Eur. J. 2016, 22, 11196-11200
10.1002/chem.201602452
Dimethyl bis(indenyl)zirconium(IV)
*
dichloromethane

N  Param.: 6.89

sN Param.: 1.00
*Chem. Eur. J. 2016, 22, 11196-11200
10.1002/chem.201602452
diphenyldiazomethane
C13H10N2*
dichloromethane

N  Param.: 5.29

sN Param.: 0.92
***Chem. Eur. J. 2003, 9, 4068-4076
10.1002/chem.200304913
ethyl (E)-3-(dimethylamino)acrylate
C7H13NO2*
dichloromethane

N  Param.: 9.43

sN Param.: 0.80
*Chem. Eur. J. 2003, 9, 2209-2218
10.1002/chem.200204666
ethyl (E)-3-(N-morpholino)acrylate
C9H15NO3*
dichloromethane

N  Param.: 8.52

sN Param.: 0.80
*Chem. Eur. J. 2003, 9, 2209-2218
10.1002/chem.200204666
ethyl diazoacetate
C4H6N2O2*
dichloromethane

N  Param.: 4.91

sN Param.: 0.95
***Chem. Eur. J. 2003, 9, 4068-4076
10.1002/chem.200304913
ethyl-vinylether
C4H8O*
dichloromethane

N  Param.: 3.92

sN Param.: 0.90
*Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
fluorobis(phenylsulfonyl)methanide (in DMSO)
C13H10FO4S2*
DMSO

N  Param.: 17.46

sN Param.: 0.73
***Angew. Chem. Int. Ed. 2016, 55, 12845-12848
10.1002/anie.201605616
furan
C4H4O*
dichloromethane

N  Param.: 1.33

sN Param.: 1.29
*****J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
Indole
C8H7N*
dichloromethane

N  Param.: 5.55

sN Param.: 1.09
***J. Org. Chem. 2006, 71, 9088-9095
10.1021/jo0614339
isobutylenyl-ethylether
C6H12O*
dichloromethane

N  Param.: 4.23

sN Param.: 1.00
*Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
lithium (5-methylfuran-2-yl)(4-(trifluoromethyl)phenyl)pinacolborate
C18H21BF3LiO3*
MeCN

N  Param.: 8.13

sN Param.: 0.85
**Angew. Chem. Int. Ed. 2015, 54, 2780-2783
10.1002/anie.201410562
lithium (5-methylthiophen-2-yl)(3,5-bis(trifluoromethyl)phenyl)glycolborate
C15H12BF6LiO2S*
MeCN

N  Param.: 11.23

sN Param.: 0.77
***Angew. Chem. Int. Ed. 2015, 54, 2780-2783
10.1002/anie.201410562
lithium (5-methylthiophen-2-yl)(3,5-bis(trifluoromethyl)phenyl)neopentylglycolborate
C18H18BF6LiO2S*
MeCN

N  Param.: 10.13

sN Param.: 0.91
**Angew. Chem. Int. Ed. 2015, 54, 2780-2783
10.1002/anie.201410562
lithium (5-methylthiophen-2-yl)(3,5-bis(trifluoromethyl)phenyl)pinacolborate
C19H20BF6LiO2S*
MeCN

N  Param.: 5.53

sN Param.: 1.00
*Angew. Chem. Int. Ed. 2015, 54, 2780-2783
10.1002/anie.201410562
lithium (5-methylthiophen-2-yl)(4-(dimethylamino)phenyl)pinacolborate
C19H27BLiNO2S*
MeCN

N  Param.: 8.02

sN Param.: 0.89
**Angew. Chem. Int. Ed. 2015, 54, 2780-2783
10.1002/anie.201410562
lithium (5-methylthiophen-2-yl)(4-(trifluoromethyl)phenyl)catecholglycolborate
C18H13BF3LiO2S*
MeCN

N  Param.: 6.50

sN Param.: 0.77
**Angew. Chem. Int. Ed. 2015, 54, 2780-2783
10.1002/anie.201410562
lithium (5-methylthiophen-2-yl)(4-(trifluoromethyl)phenyl)neopentylglycolborate
C17H19BF3LiO2S*
MeCN

N  Param.: 11.85

sN Param.: 0.72
**Angew. Chem. Int. Ed. 2015, 54, 2780-2783
10.1002/anie.201410562
lithium (5-methylthiophen-2-yl)(4-chlorophenyl)pinacolborate
C17H21BClLiO2S*
MeCN

N  Param.: 6.77

sN Param.: 0.88
**Angew. Chem. Int. Ed. 2015, 54, 2780-2783
10.1002/anie.201410562
lithium (5-methylthiophen-2-yl)(4-methoxyphenyl)pinacolborate
C18H24BLiO3S*
MeCN

N  Param.: 7.51

sN Param.: 0.87
**Angew. Chem. Int. Ed. 2015, 54, 2780-2783
10.1002/anie.201410562
lithium (5-methylthiophen-2-yl)(4-methylphenyl)pinacolborate
C18H24BLiO2S*
MeCN

N  Param.: 6.98

sN Param.: 0.93
**Angew. Chem. Int. Ed. 2015, 54, 2780-2783
10.1002/anie.201410562
lithium (5-methylthiophen-2-yl)(phenyl)pinacolborate
C17H22BLiO2S*
MeCN

N  Param.: 7.24

sN Param.: 0.83
**Angew. Chem. Int. Ed. 2015, 54, 2780-2783
10.1002/anie.201410562
lithium (E)-2-(3,5-bis(trifluoromethyl)phenyl)-2-(but-2-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-uide (in MeCN)
C18H22BF6LiO2*
MeCN

N  Param.: 9.49

sN Param.: 0.82
***J. Am. Chem. Soc. 2017, 139, 15324-15327
10.1021/jacs.7b10240
lithium 2-(3,5-bis(trifluoromethyl)phenyl)-4,4,5,5-tetramethyl-2-(1-phenylethyl)-1,3,2-dioxaborolan-2-uide (in MeCN)
C22H24BF6LiO2*
MeCN

N  Param.: 7.46

sN Param.: 0.76
**Org. Lett. 2015, 17, 2614-2617
10.1021/acs.orglett.[...]
lithium 2-allyl-2-(3,5-bis(trifluoromethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-uide (in MeCN)
C17H20BF6LiO2*
MeCN

N  Param.: 8.71

sN Param.: 0.80
***J. Am. Chem. Soc. 2017, 139, 15324-15327
10.1021/jacs.7b10240
lithium 2-allyl-4,4,5,5-tetramethyl-2-phenyl-1,3,2-dioxaborolan-2-uide (in MeCN)
C15H22BLiO2*
MeCN

N  Param.: 11.20

sN Param.: 0.64
*J. Am. Chem. Soc. 2017, 139, 15324-15327
10.1021/jacs.7b10240
lithium 2-benzyl-2-(3,5-bis(trifluoromethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-uide (in MeCN)
C21H22BF6LiO2*
MeCN

N  Param.: 6.30

sN Param.: 0.78
**Org. Lett. 2015, 17, 2614-2617
10.1021/acs.orglett.[...]
lithium 2-benzyl-4,4,5,5-tetramethyl-2-(4-(trifluoromethyl)phenyl)-1,3,2-dioxaborolan-2-uide (in MeCN)
C20H23BF3LiO2*
MeCN

N  Param.: 7.15

sN Param.: 0.77
***Org. Lett. 2015, 17, 2614-2617
10.1021/acs.orglett.[...]
lithium 2-benzyl-4,4,5,5-tetramethyl-2-phenyl-1,3,2-dioxaborolan-2-uide (in MeCN)
C19H24BLiO2*
MeCN

N  Param.: 8.92

sN Param.: 0.70
**Org. Lett. 2015, 17, 2614-2617
10.1021/acs.orglett.[...]
lithium 2-cyclopropyl-4,4,5,5-tetramethyl-2-(4-(trifluoromethyl)phenyl)-1,3,2-dioxaborolan-2-uide (in MeCN)
C16H21BF3LiO2*
MeCN

N  Param.: 7.72

sN Param.: 0.75
*Org. Lett. 2015, 17, 2614-2617
10.1021/acs.orglett.[...]
lithium 2-ethyl-4,4,5,5-tetramethyl-2-(4-(trifluoromethyl)phenyl)-1,3,2-dioxaborolan-2-uide (in MeCN)
C15H21BF3LiO2*
MeCN

N  Param.: 7.68

sN Param.: 0.78
***Org. Lett. 2015, 17, 2614-2617
10.1021/acs.orglett.[...]
lithium 2-isopropyl-4,4,5,5-tetramethyl-2-(4-(trifluoromethyl)phenyl)-1,3,2-dioxaborolan-2-uide (in MeCN)
C16H23BF3LiO2*
MeCN

N  Param.: 6.63

sN Param.: 0.75
*Org. Lett. 2015, 17, 2614-2617
10.1021/acs.orglett.[...]
lithium 4,4,5,5-tetramethyl-2-(1-phenylethyl)-2-(4-(trifluoromethyl)phenyl)-1,3,2-dioxaborolan-2-uide (in MeCN)
C21H25BF3LiO2*
MeCN

N  Param.: 8.56

sN Param.: 0.76
***Org. Lett. 2015, 17, 2614-2617
10.1021/acs.orglett.[...]
lithium 4,4,5,5-tetramethyl-2-phenyl-2-(1-phenylethyl)-1,3,2-dioxaborolan-2-uide (in MeCN)
C20H26BLiO2*
MeCN

N  Param.: 10.97

sN Param.: 0.63
**Org. Lett. 2015, 17, 2614-2617
10.1021/acs.orglett.[...]
lithium 5,5-dimethyl-2-(1-phenylethyl)-2-(4-(trifluoromethyl)phenyl)-1,3,2-dioxaborinan-2-uide (in MeCN)
C20H23BF3LiO2*
MeCN

N  Param.: 11.29

sN Param.: 0.76
***Org. Lett. 2015, 17, 2614-2617
10.1021/acs.orglett.[...]
lithium bis(5-methylthiophen-2-yl)pinacolborate
C16H22BLiO2S2*
MeCN

N  Param.: 7.67

sN Param.: 0.87
**Angew. Chem. Int. Ed. 2015, 54, 2780-2783
10.1002/anie.201410562
lithium indenide (in DMSO)
C9H7Li*
DMSO

N  Param.: 23.66

sN Param.: 0.70
***Angew. Chem. Int. Ed. 2015, 54, 12497-12500
10.1002/anie.201501385
m-xylene
C8H10*
dichloromethane

N  Param.: -3.57

sN Param.: 2.08
*****J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
Me2S(O)=CH2 (in DMSO)
*
DMSO

N  Param.: 21.29

sN Param.: 0.47
***J. Am. Chem. Soc. 2010, 132, 17894-17900
10.1021/ja1084749
Me2S=CH(4-CN-C6H4) (in DMSO)
*
DMSO

N  Param.: 21.07

sN Param.: 0.68
***J. Am. Chem. Soc. 2010, 132, 17894-17900
10.1021/ja1084749
Me2S=CH(p-NO2-C6H4) (in DMSO)
*
DMSO

N  Param.: 18.42

sN Param.: 0.65
***J. Am. Chem. Soc. 2010, 132, 17894-17900
10.1021/ja1084749
Me2S=CH-CN (in DMSO)
*
DMSO

N  Param.: 16.23

sN Param.: 0.60
***Chem. Eur. J. 2010, 16, 8610-8614
10.1002/chem.201001455
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
Meldrum's acid iodonium ylide (in CH2Cl2)
*
dichloromethane

N  Param.: 4.36

sN Param.: 1.06
***J. Am. Chem. Soc. 2016, 138, 10304-10313
10.1021/jacs.6b05768
MeO-Breslow 1a
*
THF

N  Param.: 14.77

sN Param.: 0.80
***Angew. Chem. Int. Ed. 2012, 51, 10408-10412
10.1002/anie.201204524
MeO-Breslow 1b
*
THF

N  Param.: 10.45

sN Param.: 0.81
***Angew. Chem. Int. Ed. 2012, 51, 10408-10412
10.1002/anie.201204524
MeO-Breslow 1c
*
THF

N  Param.: 16.61

sN Param.: 0.68
***Angew. Chem. Int. Ed. 2012, 51, 10408-10412
10.1002/anie.201204524
MeO-Breslow 1e
*
THF

N  Param.: 15.65

sN Param.: 0.52
***Angew. Chem. Int. Ed. 2012, 51, 10408-10412
10.1002/anie.201204524
MeSO-CH-CO2Et (in DMSO)
*
DMSO

N  Param.: 20.61

sN Param.: 0.64
***Chem. Eur. J. 2010, 16, 8610-8614
10.1002/chem.201001455
MeSO2-CH-CO2Et (in DMSO)
*
DMSO

N  Param.: 18.00

sN Param.: 0.66
***Chem. Eur. J. 2010, 16, 8610-8614
10.1002/chem.201001455
methoxybis(phenylsulfonyl)methanide (in DMSO)
C14H13O5S2*
DMSO

N  Param.: 17.29

sN Param.: 0.70
***Angew. Chem. Int. Ed. 2016, 55, 12845-12848
10.1002/anie.201605616
methyl (cyclohexen-1-yl)prolinate (in MeCN)
*
MeCN

N  Param.: 14.96

sN Param.: 0.68
***Angew. Chem. Int. Ed. 2010, 49, 9526-9529
10.1002/anie.201004344
methylenecyclobutane
C5H8*
dichloromethane

N  Param.: 1.65

sN Param.: 0.90
*Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
methylenecyclodecane
C11H20*
dichloromethane

N  Param.: 2.82

sN Param.: 0.90
*Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
methylenecyclododecane
C13H24*
dichloromethane

N  Param.: 1.52

sN Param.: 0.90
*Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
methylenecycloheptane
C8H14*
dichloromethane

N  Param.: 2.24

sN Param.: 0.90
*Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
methylenecyclohexane
C7H12*
dichloromethane

N  Param.: 1.16

sN Param.: 1.04
*****J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
methylenecyclononane
C10H18*
dichloromethane

N  Param.: 2.57

sN Param.: 0.90
*Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
methylenecyclooctane
C9H16*
dichloromethane

N  Param.: 3.16

sN Param.: 0.90
*Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
methylenecyclopentadecane
C16H30*
dichloromethane

N  Param.: 1.69

sN Param.: 0.90
*Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
methylenecyclopentane
C6H10*
dichloromethane

N  Param.: 2.82

sN Param.: 0.90
*****J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
methylenecyclopropane
C4H6*
dichloromethane

N  Param.: -0.47

sN Param.: 0.90
*Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
methylenecycloundecane
C12H22*
dichloromethane

N  Param.: 2.33

sN Param.: 0.90
*Acc. Chem. Res. 2003, 36, 66-77
10.1021/ar020094c
morpholinoisobutylene
C8H15NO*
dichloromethane

N  Param.: 10.04

sN Param.: 0.82
***Chem. Eur. J. 2003, 9, 2209-2218
10.1002/chem.200204666
N,N-Dimethylbarbituric acid iodonium ylide (in CHCl2)
*
dichloromethane

N  Param.: 7.98

sN Param.: 0.71
***J. Am. Chem. Soc. 2016, 138, 10304-10313
10.1021/jacs.6b05768
N-(1-(4-chlorophenyl)vinyl)acetamide
C10H10ClNO*
MeCN

N  Param.: 5.60

sN Param.: 1.00
***Chem. Eur. J. 2012, 18, 5732-5740
10.1002/chem.201103519
N-(1-(4-methoxyphenyl)vinyl)acetamide
C11H13NO2*
MeCN

N  Param.: 7.06

sN Param.: 0.85
***Chem. Eur. J. 2012, 18, 5732-5740
10.1002/chem.201103519
N-(1-(naphthalen-2-yl)vinyl)acetamide
C14H13NO*
MeCN

N  Param.: 6.28

sN Param.: 0.95
***Chem. Eur. J. 2012, 18, 5732-5740
10.1002/chem.201103519
N-(1-(p-tolyl)vinyl)acetamide
C11H13NO*
MeCN

N  Param.: 6.57

sN Param.: 0.91
**Chem. Eur. J. 2012, 18, 5732-5740
10.1002/chem.201103519
N-(1-phenylvinyl)acetamide
C10H11NO*
MeCN

N  Param.: 5.73

sN Param.: 0.97
***Chem. Eur. J. 2012, 18, 5732-5740
10.1002/chem.201103519
N-(1-phenylvinyl)benzamide
C15H13NO*
MeCN

N  Param.: 5.44

sN Param.: 1.00
*Chem. Eur. J. 2012, 18, 5732-5740
10.1002/chem.201103519
N-(3,3-dimethylbut-1-en-2-yl)acetamide
C8H15NO*
MeCN

N  Param.: 4.61

sN Param.: 0.98
***Chem. Eur. J. 2012, 18, 5732-5740
10.1002/chem.201103519
N-(3,4-dihydronaphthalen-1-yl)acetamide
C12H13NO*
MeCN

N  Param.: 4.91

sN Param.: 0.87
***Chem. Eur. J. 2012, 18, 5732-5740
10.1002/chem.201103519
N-(cyclohex-1-en-1-yl)acetamide
C8H13NO*
MeCN

N  Param.: 5.64

sN Param.: 0.79
***Chem. Eur. J. 2012, 18, 5732-5740
10.1002/chem.201103519
N-(cyclopent-1-en-1-yl)acetamide
C7H11NO*
MeCN

N  Param.: 7.06

sN Param.: 0.87
***Chem. Eur. J. 2012, 18, 5732-5740
10.1002/chem.201103519
N-(triisopropylsilyl)pyrrole
C13H25NSi*
dichloromethane

N  Param.: 3.12

sN Param.: 0.93
***Chem. Eur. J. 2003, 9, 2209-2218
10.1002/chem.200204666
N-benzyl-N-((2-methoxyphenyl)ethynyl)-4-methylbenzenesulfonamide
C23H21NO3S*
dichloromethane

N  Param.: 4.40

sN Param.: 0.86
***Angew. Chem. Int. Ed. 2014, 53, 4968-4971
10.1002/anie.201402055
N-benzyl-N-(but-1-yn-1-yl)-4-methylbenzenesulfonamide
C18H19NO2S*
dichloromethane

N  Param.: 5.16

sN Param.: 0.85
***Angew. Chem. Int. Ed. 2014, 53, 4968-4971
10.1002/anie.201402055
n-butyl vinyl ether
*
dichloromethane

N  Param.: 3.76

sN Param.: 0.91
*****J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
N-methylenepyrrolidin-1-amine (in CH2Cl2)
C5H10N2*
dichloromethane

N  Param.: 7.84

sN Param.: 0.89
***Angew. Chem. Int. Ed. 2013, 52, 11900-11904
10.1002/anie.201305092
N-methylindole
C9H9N*
dichloromethane

N  Param.: 5.75

sN Param.: 1.23
***J. Org. Chem. 2006, 71, 9088-9095
10.1021/jo0614339
N-methylpyrrole
C5H7N*
dichloromethane

N  Param.: 5.85

sN Param.: 1.03
*****J. Am. Chem. Soc. 2001, 123, 9500-9512
10.1021/ja010890y
N-vinylcarbazole
C14H11N*
dichloromethane

N  Param.: 5.02

sN Param.: 0.94
**Macromolecules 2002, 35, 5454-5458
10.1021/ma020306l
norbornene
C7H10*
dichloromethane

N  Param.: -0.25

sN Param.: 1.09
*****J. Am. Chem. Soc. 2012, 134, 13902-13911
10.1021/ja306522b
p-tosylmethyl isocyanide (TosMIC)
C9H9NO2S*
dichloromethane

N  Param.: 3.50

sN Param.: 0.76
***Angew. Chem. Int. Ed. 2007, 46, 3563-3566
10.1002/anie.200605205
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
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
Ph3P=C(CH3)-CO2Et
*
dichloromethane

N  Param.: 13.09

sN Param.: 0.73
***J. Am. Chem. Soc. 2009, 131, 704-714
10.1021/ja8056216
Ph3P=CH-C(O)Me (in MeCN)
C21H19OP*
MeCN

N  Param.: 10.27

sN Param.: 0.83
***J. Am. Chem. Soc. 2016, 138, 11272-11281
10.1021/jacs.6b06264
Ph3P=CH-CHO (in MeCN)
C20H17OP*
MeCN

N  Param.: 9.09

sN Param.: 0.74
***J. Am. Chem. Soc. 2016, 138, 11272-11281
10.1021/jacs.6b06264
Ph3P=CH-CN
*
dichloromethane

N  Param.: 12.29

sN Param.: 0.75
***J. Am. Chem. Soc. 2009, 131, 704-714
10.1021/ja8056216
Ph3P=CH-CO2Et
*
dichloromethane

N  Param.: 12.79

sN Param.: 0.77
***J. Am. Chem. Soc. 2009, 131, 704-714
10.1021/ja8056216