发明名称 |
PHOSGENE-FREE PROCESS FOR PREPARING CARBAMATES |
摘要 |
A phosgene-free method for preparing a carbamate from a compound containing an amine group involves reacting the compound with an alkylating agent in the presence of carbon dioxide and cesium carbonate. A reaction can take place under standard pressure and temperature conditions and produces carbamates i n a high yield with low by-product formation.
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申请公布号 |
CA2426466(A1) |
申请公布日期 |
2002.05.02 |
申请号 |
CA20012426466 |
申请日期 |
2001.10.24 |
申请人 |
PHARMACIA & UPJOHN COMPANY |
发明人 |
LEE, BYUNG |
分类号 |
C07D295/20;C07B51/00;C07C269/04;C07C271/22;C07D207/16;C07D233/60;C07D295/205;(IPC1-7):C07C271/12;C07D241/04 |
主分类号 |
C07D295/20 |
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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