| 发明名称 |
PROCESS FOR PRODUCING 2,3-DICHLOROTHIOPHENE |
| 摘要 |
1. A process for preparing 2,3-dichlorothiophene, which comprises isomerizing 2-chlorothiophene with a catalyst to 3-chlorothiophene and subsequently chlorinating this 3-chlorothiophene between 40 and 120 degrees C to give 2,3-dichlorothiophene, the chlorine : 3-chlorothiophene ratio being 0.3 : 1 to 1.1 : 1 (mol/mol). |
| 申请公布号 |
HU199137(B) |
申请公布日期 |
1990.01.29 |
| 申请号 |
HU19860004330 |
申请日期 |
1986.10.07 |
| 申请人 |
HOECHST AB,DE |
发明人 |
LITTERER,HEINZ,DE;LEUPOLD,INGO E.,DE |
| 分类号 |
B01J27/00;C07B61/00;C07D333/28 |
主分类号 |
B01J27/00 |
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