共 23 条
ASYMMETRIC INTERMOLECULAR N-H INSERTION REACTION OF PHENYLDIAZOACETATES WITH ANILINES CATALYZED BY ACHIRAL DIRHODIUM(II) CARBOXYLATES AND CINCHONA ALKALOIDS
被引:30
|作者:
Saito, Hiroaki
[1
]
Uchiyama, Taketo
[1
]
Miyake, Muneharu
[1
]
Anada, Masahiro
[2
]
Hashimoto, Shunichi
[2
]
Takabatake, Tohru
[1
]
Miyairi, Shinichi
[1
]
机构:
[1] Nihon Univ, Sch Pharm, Funabashi, Chiba 2748555, Japan
[2] Hokkaido Univ, Fac Pharmaceut Sci, Sapporo, Hokkaido 0600812, Japan
关键词:
ALPHA-DIAZOCARBONYL COMPOUNDS;
CHIRAL LEWIS-ACIDS;
DIAZO-COMPOUNDS;
ENANTIOSELECTIVE INSERTION;
3-COMPONENT REACTIONS;
METAL CARBENES;
BONDS;
2-BENZOPYRYLIUM-4-OLATE;
COMPLEXES;
ALDEHYDES;
D O I:
10.3987/COM-10-11930
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
Asymmetric N-H insertion of phenyldiazoacetates with anilines catalyzed cooperatively by achiral dirhodium(II) carboxylates and cinchona alkaloids is described. A new catalytic system of dirhodium(II) tetrakis(triphenylacetate), Rh(2)(TPA)(4), and dihydrocinchonine provides phenylglycine derivatives in up to 71% ee.
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页码:1149 / 1155
页数:7
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