| 发明名称 |
Preparation of aromatic urethanes |
| 摘要 |
This invention relates to an improved process for the preparation of urethanes by the reaction of aromatic nitro compounds with alcohols and carbon monoxides in the presence of catalyst systems containing sulphur and/or selenium and/or compounds of these elements.
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| 申请公布号 |
US4267353(A) |
申请公布日期 |
1981.05.12 |
| 申请号 |
US19790069020 |
申请日期 |
1979.08.22 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
SCHOLL, HANS-JOACHIM;ZENNER, ARMIN |
| 分类号 |
B01J31/02;B01J31/00;C07B61/00;C07C67/00;C07C239/00;C07C269/00;C07C271/06;(IPC1-7):C07C125/06;C07C125/06;C07C125/07 |
主分类号 |
B01J31/02 |
| 代理机构 |
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