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|Title:||Phosgene-free process for preparing carbamates|
|Abstract:||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 in a high yield with low by-product formation.|
|Inventor(s):||Lee; Byung H. (Kalamazoo, MI)|
|Assignee:||Pharmacia& Upjohn Company (Kalamazoo, MI)|
Patent Claim Types:|
see list of patent claims
Field: Organic fine chemistry
Back Citations: 3rd percentile
Forward Citations: 0th percentile
|Patent Number||Expiration Date|
|6,528,678||March 04, 2007|
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
|World Intellectual Property Organization (WIPO)||0234698||<disabled in preview>|
|Poland||360902||<disabled in preview>|
|European Patent Office||1334084||<disabled in preview>|
| This preview shows a limited data set|
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