| 发明名称 |
PROCESS FOR THE PREPARATION OF ACYLALS |
| 摘要 |
Compounds of the formula <IMAGE> I can advantageously be prepared by reacting compounds the formula II <IMAGE> II in which the substituents R1-R4 have the meanings given, with the anhydride of the formula III <IMAGE> III in the presence of dimethyl sulfoxide and the acid corresponding to the anhydride of the formula III.
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| 申请公布号 |
US5231221(A) |
申请公布日期 |
1993.07.27 |
| 申请号 |
US19910671103 |
申请日期 |
1991.03.18 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
HERTZSCH, WINFRIED;JAEHNE, GERHARD |
| 分类号 |
C07B41/12;C07C67/08;C07C69/14;C07C69/16;C07C69/63;C07C69/78;C07C327/28;C07D209/48;C07F9/38 |
主分类号 |
C07B41/12 |
| 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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