发明授权
- 专利标题: Process for the preparation of benzenesulphonyl chloride
- 专利标题(中): 苯磺酰氯的制备方法
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申请号: US817464申请日: 1977-07-19
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公开(公告)号: US4105692A公开(公告)日: 1978-08-08
- 发明人: Heinz U. Blank
- 申请人: Heinz U. Blank
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX2635281 19760805
- 主分类号: C07C309/86
- IPC分类号: C07C309/86 ; C07C67/00 ; C07C301/00 ; C07C303/12 ; C07C143/26
摘要:
An improvement in the process for preparing benzenesulphonic acid chloride by reacting benzenesulphonic acid with thionyl chloride, the improvement residing in carrying out the process in the presence of a sulphonating agent.
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