发明名称 |
PREPARING AROMATIC URETHANS |
摘要 |
A process for the preparation of aromatic urethans by reaction between aromatic amines and alkyl carbonates, said reaction being carried out in the presence of a catalyst composed of an alcoholate of an alkali metal or an alkaline earth metal. The reaction is caused to take place at a temperature which is variable from +50 DEG C. and +150 DEG C., in the liquid phase and with a molar ratio of the carbonate to the amine of from 10:1 to 1:10. |
申请公布号 |
ZA8200227(B) |
申请公布日期 |
1982.11.24 |
申请号 |
ZA19820000227 |
申请日期 |
1982.01.13 |
申请人 |
ANIC SPA |
发明人 |
ROMANO U;FORNASARI G;DI GIOACCHINO S |
分类号 |
C07B61/00;B01J31/00;B01J31/02;C07C;C07C67/00;C07C239/00;C07C269/00 |
主分类号 |
C07B61/00 |
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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