- 专利标题: Process for the ring chlorination of aromatic hydrocarbons
- 专利标题(中): 芳烃环化氯工艺
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申请号: US342500申请日: 1989-04-24
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公开(公告)号: US4925994A公开(公告)日: 1990-05-15
- 发明人: Franz-Josef Mais , Helmut Fiege
- 申请人: Franz-Josef Mais , Helmut Fiege
- 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: DEX3815537 19880506; DEX3824068 19880715
- 主分类号: B01J31/30
- IPC分类号: B01J31/30 ; C07B61/00 ; C07C17/00 ; C07C17/12 ; C07C25/02 ; C07C25/18 ; C07C67/00
摘要:
Aromatic hydrocarbons which are monosubstituted by straight-chain or branched C.sub.1 -C.sub.12 -alkyl or by C.sub.3 -C.sub.8 -cycloalkyl can be chlorinated in the presence of Friedel-Crafts Catalysts in liquid phase on the aromatic ring if 1,6-benzothiazocins are used as co-catalysts. This makes it possible to obtain a higher proportion of p-isomers.
公开/授权文献
- US5512699A Poly polyhydroxy fatty acid amides 公开/授权日:1996-04-30
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