发明名称 |
PROCESS FOR PREPARATION OF 3-PIPERAZINYLBENZISOTHIAZOLES |
摘要 |
The present invention is directed to a process for preparing 3-piperazinylbenzisothiazoles. The process comprises reacting a specified 3-halo-1,2-benzisothiazole or 2-cyanobenzenesulfenyl halide in the presence of an alkylene glycol derivative. The process is industrially effective, easy and economical and can provide useful intermediates for the production of pharmaceutical preparations.
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申请公布号 |
CA2217137(A1) |
申请公布日期 |
1998.04.11 |
申请号 |
CA19972217137 |
申请日期 |
1997.10.01 |
申请人 |
SUMITOMO SEIKA CHEMICALS CO., LTD. |
发明人 |
KAJIHARA, SAKAE;SAKAUE, SHIGEKI;TODO, MIKI;SAKAMOTO, JUNICHI;GODA, HIROSHI |
分类号 |
C07D275/04;C07D275/06;(IPC1-7):C07D275/04 |
主分类号 |
C07D275/04 |
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