发明名称 |
CATALYST AND PROCESS FOR THE CYANATION OF ALDEHYDES |
摘要 |
A vanadium catalyst and a process for cyanating an aldehyde are provided. Th e vanadium catalyst comprises a Vanadium(V) salen complex. The process compris es reacting the aldehyde with: i) a cyanide source which does not comprise a Si - CN bond or a C-(C=O)-CN moiety; and ii) a substrate susceptible to nucleophilic attack not comprising a halogen leaving group; in the presence of a chiral vanadium catalyst. The cyanide source is preferably an alkali metal cyanide and the substrate susceptible to nucleophilic attack not comprising a halogen leaving group is a carboxylic anhydride.
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申请公布号 |
CA2487295(A1) |
申请公布日期 |
2003.12.04 |
申请号 |
CA20032487295 |
申请日期 |
2003.05.22 |
申请人 |
KING'S COLLEGE LONDON;NESMEYANOV INSTITUTE OF ORGANOELEMENT COMPOUNDS |
发明人 |
NORTH, MICHAEL;BELOKON, YURI |
分类号 |
B01J31/22;B01J31/18;C07B53/00;C07B61/00;C07C249/02;C07C251/24;C07C253/00;C07C255/38;C07F9/00;(IPC1-7):B01J31/02 |
主分类号 |
B01J31/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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