Nucleophiles
6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14
« Back Forward » Found 1310 molecules, displaying page 13 of 14 Results per page
10|50|100|all
| Name | Solvent |
Reactivity Parameters |
Classification |
Reference (title or year) |
|---|---|---|---|---|
1,3-dimesityl-2-methylene-2,3-dihydro-1H-imidazole (in THF)  |
THF | N Param.: 17.80 sN Param.: 0.79 |  | J. Org. Chem. 2021, 86, 2974-2985 10.1021/acs.joc.0c02838 |
1,3-dimethyl-2-methylene-2,3-dihydro-1H-benzo[d]imidazole |
THF | N Param.: 19.84 sN Param.: 0.58 | | J. Org. Chem. 2021, 86, 2974-2985 10.1021/acs.joc.0c02838 |
4-methylthiophenolate (in DMSO) |
DMSO | N Param.: 24.35 sN Param.: 0.69 | | J. Org. Chem. 2021, 86, 5965-5972 10.1021/acs.joc.1c00025 |
naphthalene-2-thiolate (in DMSO) |
DMSO | N Param.: 22.55 sN Param.: 0.83 | | J. Org. Chem. 2021, 86, 5965-5972 10.1021/acs.joc.1c00025 |
4-methoxythiophenolate (in DMSO) |
DMSO | N Param.: 24.97 sN Param.: 0.68 | | J. Org. Chem. 2021, 86, 5965-5972 10.1021/acs.joc.1c00025 |
lithium 4,4,5,5-tetramethyl-2-phenyl-2-(prop-1-en-2-yl)-1,3,2-dioxaborolan-2-uide (in MeCN) |
MeCN | N Param.: 11.00 sN Param.: 0.57 | | J. Am. Chem. Soc. 2022, 144, 16118-16130 10.1021/jacs.2c06493 |
NADH (in water) |
water | N Param.: 10.37 sN Param.: 0.54 | | Org. Biomol. Chem. 2023, 21, 85-88 10.1039/D2OB02041F |
4-pyrrolidinopyridine (in MeCN) |
MeCN | N Param.: 14.99 sN Param.: 0.69 | | Chem. Eur. J. 2013, 19, 6435-6442 10.1002/chem.201204452 |
2-((2,2,5,5-tetramethyl-1-(prop-1-en-1-yl)-2,5-dihydro-1H-imidazol-4-yl)thio)acetonitrile (in MeCN) |
MeCN | N Param.: 9.25 sN Param.: 0.84 | | Chem. Commun. 2023, 59, 8091-8084 10.1039/d3cc01912h |
2-((2,2,5,5-tetramethyl-1-styryl-2,5-dihydro-1H-imidazol-4-yl)thio)acetonitrile (in MeCN) |
MeCN | N Param.: 7.74 sN Param.: 0.87 | | Chem. Commun. 2023, 59, 8091-8084 10.1039/d3cc01912h |
2-((2,2,5,5-tetramethyl-1-styryl-2,5-dihydro-1H-imidazol-4-yl)thio)acetonitrile (in CH2Cl2) |
dichloromethane | N Param.: 7.06 sN Param.: 1.11 | | Chem. Commun. 2023, 59, 8091-8084 10.1039/d3cc01912h |
1,3-Bis(2,6-diisopropylphenyl)-5-methylene-4-(2,4,6-triisopropylphenyl)-4,5-dihydro-1H-1,2,3-triazol-3-ium-4-ide (in THF) |
THF | N Param.: 21.36 sN Param.: 0.42 | | Angew. Chem. Int. Ed. 2023, 62, e202309790 10.1002/anie.202309790 |
1,3-Bis(2,6-diisopropylphenyl)-4-methylene-5-(4-(trifluoromethyl)phenyl)-4,5-dihydro-1H-1,2,3-triazol-3-ium-5-ide (in THF) |
THF | N Param.: 22.30 sN Param.: 0.49 | | Angew. Chem. Int. Ed. 2023, 62, e202309790 10.1002/anie.202309790 |
1,3-Bis(2,6-diisopropylphenyl)-5-(4-methoxyphenyl)-4-methylene-4,5-dihydro-1H-1,2,3-triazol-3-ium-5-ide (in THF) |
THF | N Param.: 23.55 sN Param.: 0.56 | | Angew. Chem. Int. Ed. 2023, 62, e202309790 10.1002/anie.202309790 |
1,3-Bis(2,6-diisopropylphenyl)-5-methylene-4-(2,4,6-triisopropylphenyl)-4,5-dihydro-1H-1,2,3-triazol-3-ium-4-ide (in THF) |
THF | N Param.: 20.78 sN Param.: 0.61 | | Angew. Chem. Int. Ed. 2023, 62, e202309790 10.1002/anie.202309790 |
1,3-Diisopropyl-4-methylene-5-phenyl-4,5-dihydro-1H-1,2,3-triazol-3-ium-5-ide (in THF) |
THF | N Param.: 30.25 sN Param.: 0.54 | | Angew. Chem. Int. Ed. 2023, 62, e202309790 10.1002/anie.202309790 |
5-(tert-Butyl)-1,3-diisopropyl-4-methylene-4,5-dihydro-1H-1,2,3-triazol-3-ium-5-ide (in THF) |
THF | N Param.: 31.92 sN Param.: 0.52 | | Angew. Chem. Int. Ed. 2023, 62, e202309790 10.1002/anie.202309790 |
1,3-bis(2,6-diisopropylphenyl)-4-methylene-5-phenyl-4,5-dihydro-1H-1,2,3-triazol-3-ium-5-ide (in THF) |
THF | N Param.: 22.80 sN Param.: 0.60 | | Angew. Chem. Int. Ed. 2023, 62, e202309790 10.1002/anie.202309790 |
1,3-bis(2,6-diisopropylphenyl)-5-methyl-4-methylene-4,5-dihydro-1H-1,2,3-triazol-3-ium-5-ide (in THF) |
THF | N Param.: 24.86 sN Param.: 0.52 | | Angew. Chem. Int. Ed. 2023, 62, e202309790 10.1002/anie.202309790 |
(E)-2-((1-(but-1-en-1-yl)-2,2,5,5-tetramethyl-2,5-dihydro-1H-imidazol-4-yl)thio)acetonitrile (in MeCN) |
MeCN | N Param.: 9.23 sN Param.: 0.74 | | Chem. Eur. J. 2024, 30, e202302764 10.1002/chem.202302764 |
(E)-4-(ethylthio)-2,2,5,5-tetramethyl-1-styryl-2,5-dihydro-1H-imidazole (in MeCN) |
MeCN | N Param.: 8.12 sN Param.: 0.88 | | Chem. Eur. J. 2024, 30, e202302764 10.1002/chem.202302764 |
(E)-13-(ethylthio)-6-styryl-6,12-diazadispiro[4.1.47.25]tridec-12-ene (in MeCN) |
MeCN | N Param.: 7.79 sN Param.: 0.87 | | Chem. Eur. J. 2024, 30, e202302764 10.1002/chem.202302764 |
(E)-4-(ethylthio)-2,2,5,5-tetramethyl-1-(3-phenylprop-1-en-1-yl)-2,5-dihydro-1H-imidazole (in MeCN) |
MeCN | N Param.: 9.64 sN Param.: 0.70 | | Chem. Eur. J. 2024, 30, e202302764 10.1002/chem.202302764 |
(E)-4-(ethylthio)-2,2,5,5-tetramethyl-1-(3-phenylbut-1-en-1-yl)-2,5-dihydro-1H-imidazole (in MeCN) |
MeCN | N Param.: 7.92 sN Param.: 0.73 | | Chem. Eur. J. 2024, 30, e202302764 10.1002/chem.202302764 |
(E)-4-(benzylthio)-2,2,5,5-tetramethyl-1-styryl-2,5-dihydro-1H-imidazole (in MeCN) |
MeCN | N Param.: 8.30 sN Param.: 0.84 | | Chem. Eur. J. 2024, 30, e202302764 10.1002/chem.202302764 |
diazocyclopentadiene (in CH2Cl2) |
dichloromethane | N Param.: 4.84 sN Param.: 1.06 | | Synthesis 2023, 55, 354-358 10.1055/s-0041-1737327 |
(E)-2,2,3,5,5-pentamethyl-1-styrylimidazolidin-4-one (in MeCN) |
MeCN | N Param.: 7.10 sN Param.: 0.82 | | Chem. Eur. J. 2024, 30, e202302764 10.1002/chem.202302764 |
(E)-2,2,3,5,5-pentamethyl-1-styrylimidazolidine-4-thione (in MeCN) |
MeCN | N Param.: 6.49 sN Param.: 0.83 | | Chem. Eur. J. 2024, 30, e202302764 10.1002/chem.202302764 |
(E)-4-(ethylthio)-2,2,5,5-tetramethyl-1-styryl-2,5-dihydro-1H-imidazole (in CH2Cl2) |
dichloromethane | N Param.: 8.13 sN Param.: 0.97 | | Chem. Eur. J. 2024, 30, e202302764 10.1002/chem.202302764 |
(E)-4-(benzylthio)-2,2,5,5-tetramethyl-1-styryl-2,5-dihydro-1H-imidazole (in CH2Cl2) |
dichloromethane | N Param.: 7.99 sN Param.: 0.98 | | Chem. Eur. J. 2024, 30, e202302764 10.1002/chem.202302764 |
1-mesityl-3-methyl-5-methylene-2,4,6-triphenyl-2,5-dihydropyridin-1-ium-2-ide (in THF) |
THF | N Param.: 26.16 sN Param.: 0.52 | | Angew. Chem. Int. Ed. 2024, , e202318283 10.1002/anie.202318283 |
(S)-3,3-difluoro-2-phenyl-3,4-dihydro-2H-benzo[4,5]thiazolo[3,2-a]pyrimidine (in CH2Cl2) |
dichloromethane | N Param.: 10.83 sN Param.: 0.80 | | ARKIVOC 2024, (4), 202312093 10.24820/ark.5550190[...] |
anion of nitroethane (in DMF) |
DMF | N Param.: 22.21 sN Param.: 0.48 | | Chem. Eur. J. 2008, 14, 6108-6118 10.1002/chem.200800329 |
pyridine (in MeCN) |
MeCN | N Param.: 13.60 sN Param.: 0.60 | | Synthesis 2017, 49, 3495-3504 10.1055/s-0036-1590504 |
2-methylpyridine (in CH2Cl2) |
dichloromethane | N Param.: 10.52 sN Param.: 0.78 | | Synthesis 2017, 49, 3495-3504 10.1055/s-0036-1590504 |
2-methylpyridine (in MeCN) |
MeCN | N Param.: 10.98 sN Param.: 0.66 | | Synthesis 2017, 49, 3495-3504 10.1055/s-0036-1590504 |
2,6-dimethylpyridine (in CH2Cl2) |
dichloromethane | N Param.: 9.87 sN Param.: 0.68 | | Synthesis 2017, 49, 3495-3504 10.1055/s-0036-1590504 |
2,6-dimethylpyridine (in MeCN) |
MeCN | N Param.: 9.11 sN Param.: 0.69 | | Synthesis 2017, 49, 3495-3504 10.1055/s-0036-1590504 |
2,4,6-trimethylpyridine (in CH2Cl2) |
dichloromethane | N Param.: 9.34 sN Param.: 0.71 | | Synthesis 2017, 49, 3495-3504 10.1055/s-0036-1590504 |
2,4,6-trimethylpyridine (in MeCN) |
MeCN | N Param.: 9.39 sN Param.: 0.60 | | Synthesis 2017, 49, 3495-3504 10.1055/s-0036-1590504 |
1,3,5-trimethyl-2-methylene-1,2-dihydropyridine (in DMSO) |
DMSO | N Param.: 21.16 sN Param.: 0.59 | | Eur. J. Org. Chem. 2024, 27, e202400373 10.1002/ejoc.202400373 |
1,3-dimethyl-2-methylene-1,2-dihydropyridine (in DMSO) |
DMSO | N Param.: 19.91 sN Param.: 0.62 | | Eur. J. Org. Chem. 2024, 27, e202400373 10.1002/ejoc.202400373 |
1,3-dimethyl-2-methylene-1,2-dihydropyridine (in MeCN) |
MeCN | N Param.: 19.69 sN Param.: 0.61 | | Eur. J. Org. Chem. 2024, 27, e202400373 10.1002/ejoc.202400373 |
1,6-dimethyl-2-methylene-1,2-dihydropyridine (in DMSO) |
DMSO | N Param.: 20.76 sN Param.: 0.60 | | Eur. J. Org. Chem. 2024, 27, e202400373 10.1002/ejoc.202400373 |
1-methyl-2-methylene-3-phenyl-1,2-dihydropyridine (in DMSO) |
DMSO | N Param.: 19.41 sN Param.: 0.61 | | Eur. J. Org. Chem. 2024, 27, e202400373 10.1002/ejoc.202400373 |
1-(4-(tert-butyl)phenyl)-2-methylene-4,6-diphenyl-1,2-dihydropyridine (in DMSO) |
DMSO | N Param.: 19.36 sN Param.: 0.68 | | Eur. J. Org. Chem. 2024, 27, e202400373 10.1002/ejoc.202400373 |
enolate of 3-isochromanone (in DMSO) |
DMSO | N Param.: 25.39 sN Param.: 0.54 | | J. Org. Chem. 2024, 89, 6915-6928 10.1021/acs.joc.4c00277 |
enolate of 2-coumaranone (in DMSO) |
DMSO | N Param.: 19.60 sN Param.: 0.75 | | J. Org. Chem. 2024, 89, 6915-6928 10.1021/acs.joc.4c00277 |
methyl diazoacetate |
dichloromethane | N Param.: 4.68 sN Param.: 0.94 | | J. Am. Chem. Soc. 2023, 145, 7416-7434 10.1021/jacs.2c13872 |
dimethyl diazomalonate |
dichloromethane | N Param.: -1.24 sN Param.: 0.81 | | J. Am. Chem. Soc. 2023, 145, 7416-7434 10.1021/jacs.2c13872 |
pyridin-4-yl((trifluoromethyl)sulfonyl)amide (Ph4P+) (in CH2Cl2) |
dichloromethane | N Param.: 17.88 sN Param.: 0.73 | | J. Am. Chem. Soc. 2025, 147, 5043-5050 10.1021/jacs.4c14825 |
((4-methoxyphenyl)sulfonyl)(pyridin-4-yl)amide (Ph4P+) (in CH2Cl2) |
dichloromethane | N Param.: 19.63 sN Param.: 0.65 | | J. Am. Chem. Soc. 2025, 147, 5043-5050 10.1021/jacs.4c14825 |
pyridin-4-yl((trifluoromethyl)sulfonyl)amide (Ph4P+) (in MeCN) |
MeCN | N Param.: 16.38 sN Param.: 0.60 | | J. Am. Chem. Soc. 2025, 147, 5043-5050 10.1021/jacs.4c14825 |
((4-methoxyphenyl)sulfonyl)(pyridin-4-yl)amide (Ph4P+) (in MeCN) |
MeCN | N Param.: 17.28 sN Param.: 0.65 | | J. Am. Chem. Soc. 2025, 147, 5043-5050 10.1021/jacs.4c14825 |
pyridin-4-yl((4-(trifluoromethyl)phenyl)sulfonyl)amide (Ph4P+) (in MeCN) |
MeCN | N Param.: 19.51 sN Param.: 0.47 | | J. Org. Chem. 2025, 90, 2298-2306 10.1021/acs.joc.4c02668 |
pyridin-4-yl(tosyl)amide (Ph4P+) (in MeCN) |
MeCN | N Param.: 17.19 sN Param.: 0.64 | | J. Org. Chem. 2025, 90, 2298-2306 10.1021/acs.joc.4c02668 |
pyridin-4-yl((trifluoromethyl)sulfonyl)amide (Bu4P+) (in MeCN) |
MeCN | N Param.: 16.48 sN Param.: 0.60 | | J. Org. Chem. 2025, 90, 2298-2306 10.1021/acs.joc.4c02668 |
pyridin-4-yl((trifluoromethyl)sulfonyl)amide (Bu4N+) (in MeCN) |
MeCN | N Param.: 16.68 sN Param.: 0.59 | | J. Org. Chem. 2025, 90, 2298-2306 10.1021/acs.joc.4c02668 |
50% water/50% MeCN (v/v) |
water-MeCN mix | N Param.: 5.05 sN Param.: 0.89 | | J. Am. Chem. Soc. 2004, 126, 5174-5181 10.1021/ja031828z |
1-butoxy-1-(trimethylsiloxy)ethene |
dichloromethane | N Param.: 10.21 sN Param.: 0.82 | | Eur. J. Org. Chem. 2004, , 2791-2796 10.1002/ejoc.200400134 |
1-butoxy-1-(t-butyl-dimethylsiloxy)ethene |
dichloromethane | N Param.: 10.32 sN Param.: 0.79 | | Eur. J. Org. Chem. 2004, , 2791-2796 10.1002/ejoc.200400134 |
1,1-bis(trimethylsiloxy)propene |
dichloromethane | N Param.: 10.38 sN Param.: 0.87 | | Eur. J. Org. Chem. 2004, , 2791-2796 10.1002/ejoc.200400134 |
1-(triphenylsiloxy)cyclopentene |
dichloromethane | N Param.: 5.76 sN Param.: 1.02 | | Eur. J. Org. Chem. 2005, , 1760-1764 10.1002/ejoc.200400706 |
2,3-dihydrofuran |
dichloromethane | N Param.: 4.37 sN Param.: 0.90 | | Eur. J. Org. Chem. 2005, , 1760-1764 10.1002/ejoc.200400706 |
toluene |
dichloromethane | N Param.: -4.36 sN Param.: 1.77 | | J. Am. Chem. Soc. 2012, 134, 13902-13911 10.1021/ja306522b |
m-xylene |
dichloromethane | N Param.: -3.57 sN Param.: 2.08 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
(E)-propenylbenzene |
dichloromethane | N Param.: -0.49 sN Param.: 1.18 | | J. Am. Chem. Soc. 2012, 134, 13902-13911 10.1021/ja306522b |
2-methylthiophene |
dichloromethane | N Param.: 1.35 sN Param.: 0.99 | | J. Am. Chem. Soc. 2012, 134, 13902-13911 10.1021/ja306522b |
styrene |
dichloromethane | N Param.: 0.78 sN Param.: 0.95 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
1,3-dimethoxybenzene |
dichloromethane | N Param.: 2.48 sN Param.: 1.09 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
allyltrimethylsilane |
dichloromethane | N Param.: 1.68 sN Param.: 1.00 | | J. Am. Chem. Soc. 2012, 134, 13902-13911 10.1021/ja306522b |
allyltriphenylstannane |
dichloromethane | N Param.: 3.09 sN Param.: 0.90 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
(2-methylallyl)trimethylsilane |
dichloromethane | N Param.: 4.41 sN Param.: 0.96 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
allyltributylstannane |
dichloromethane | N Param.: 5.46 sN Param.: 0.89 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
(2-methylallyl)tributylstannane |
dichloromethane | N Param.: 7.48 sN Param.: 0.89 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
Danishefskys diene |
dichloromethane | N Param.: 8.57 sN Param.: 0.84 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
2-(trimethylsiloxy)-5,6-dihydro-4H-pyran |
dichloromethane | N Param.: 10.61 sN Param.: 0.86 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
5-(trimethylsiloxy)-2,3-dihydrofuran |
dichloromethane | N Param.: 12.56 sN Param.: 0.70 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
methylenecyclopentane |
dichloromethane | N Param.: 2.82 sN Param.: 0.90 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
2-methylfuran |
dichloromethane | N Param.: 3.61 sN Param.: 1.11 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
N-methylpyrrole |
dichloromethane | N Param.: 5.85 sN Param.: 1.03 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
1-(trimethylsiloxy)cyclohexene |
dichloromethane | N Param.: 5.21 sN Param.: 1.00 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
2-(trimethylsiloxy)propene |
dichloromethane | N Param.: 5.41 sN Param.: 0.91 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
1-phenyl-1-(trimethylsiloxy)ethene |
dichloromethane | N Param.: 6.22 sN Param.: 0.96 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
1-(trimethylsiloxy)cyclopentene |
dichloromethane | N Param.: 6.57 sN Param.: 0.93 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
1-phenoxy-1-(trimethylsiloxy)ethene |
dichloromethane | N Param.: 8.23 sN Param.: 0.81 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
1-(N-morpholino)cyclohexene |
dichloromethane | N Param.: 11.40 sN Param.: 0.83 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
1-(N-piperidino)cyclohexene |
dichloromethane | N Param.: 13.36 sN Param.: 0.81 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
allyltriphenylsilane |
dichloromethane | N Param.: -0.13 sN Param.: 1.21 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
methylenecyclohexane |
dichloromethane | N Param.: 1.16 sN Param.: 1.04 | | J. Am. Chem. Soc. 2012, 134, 13902-13911 10.1021/ja306522b |
2-chloropropene |
dichloromethane | N Param.: -3.65 sN Param.: 1.97 | | J. Am. Chem. Soc. 2012, 134, 13902-13911 10.1021/ja306522b |
1-hexene |
dichloromethane | N Param.: -2.77 sN Param.: 1.41 | | J. Am. Chem. Soc. 2012, 134, 13902-13911 10.1021/ja306522b |
1-methylcyclohexene |
dichloromethane | N Param.: 0.08 sN Param.: 1.15 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
2-methyl-but-2-ene |
dichloromethane | N Param.: 0.65 sN Param.: 1.17 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
2-methylpropene (isobutylene) |
dichloromethane | N Param.: 1.11 sN Param.: 0.98 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
1-methyl-4-vinyl-benzene |
dichloromethane | N Param.: 1.70 sN Param.: 1.06 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
2-methyl-buta-1,3-diene (isoprene) |
dichloromethane | N Param.: 1.10 sN Param.: 0.98 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
allylchlorodimethylsilane |
dichloromethane | N Param.: -0.57 sN Param.: 1.06 | | J. Am. Chem. Soc. 2012, 134, 13902-13911 10.1021/ja306522b |
trimethyl(prenyl)silane |
dichloromethane | N Param.: 0.90 sN Param.: 1.17 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
(2-methylallyl)triphenylgermane |
dichloromethane | N Param.: 4.67 sN Param.: 0.81 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |