发明名称 |
Process for the preparation of asymmetrically substituted ureas, carbamates, thiocarbamates and substituted isocyanates |
摘要 |
Process for the preparation of asymmetrically substituted ureas, carbamates, thiocarbamates or substituted isocyanates by reaction of an adduct of isocyanic acid and a tertiary amine with a primary and secondary amine, an alcohol, a thiol or a compound having one or two non-cumulated olefinic double bonds, and a process for the preparation of N-mono- or N,N-disubstituted ureas by reaction of ammonium isocyanates with a primary or secondary amine in a diluent.
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申请公布号 |
US5481035(A) |
申请公布日期 |
1996.01.02 |
申请号 |
US19930085815 |
申请日期 |
1993.07.06 |
申请人 |
CHEMIE LINZ GESELLSCHAFT M.B.H. |
发明人 |
MUELLNER, MARTIN;STERN, GERHARD;ROESSLER, MARKUS |
分类号 |
C07C273/18;C07C333/04;(IPC1-7):C07C273/18 |
主分类号 |
C07C273/18 |
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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