发明授权
- 专利标题: Process for the preparation of aromatic (di)chlorosulphonic acids and (di)bromosulphonic acids
- 专利标题(中): 制备芳香(二)氯磺酸和(二)溴磺酸的方法
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申请号: US741985申请日: 1991-08-06
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公开(公告)号: US5206427A公开(公告)日: 1993-04-27
- 发明人: Heinz U. Blank , Uwe Heinz
- 申请人: Heinz U. Blank , Uwe Heinz
- 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: DEX3930994 19890916
- 主分类号: C07C303/22
- IPC分类号: C07C303/22 ; C07C309/39
摘要:
Aromatic (di)chlorosulphonic acids and (di)bromosulphonic acids can be prepared by reacting aromatic sulphonic acids with chlorine or bromine respectively, the reaction advantageously being carried out in the melt of the aromatic sulphonic acids.
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