发明授权
- 专利标题: Process for preparing cyclopentenone derivatives
- 专利标题(中): 环戊烯酮衍生物的制备方法
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申请号: US496755申请日: 1974-08-12
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公开(公告)号: US3953514A公开(公告)日: 1976-04-27
- 发明人: Toshiharu Yamazaki , Mamoru Nakai , Yoshiaki Kuroki
- 申请人: Toshiharu Yamazaki , Mamoru Nakai , Yoshiaki Kuroki
- 申请人地址: JA Ube
- 专利权人: Ube Industries, Ltd.
- 当前专利权人: Ube Industries, Ltd.
- 当前专利权人地址: JA Ube
- 优先权: JA48-97349 19730831
- 主分类号: C07C49/597
- IPC分类号: C07C49/597 ; B01J21/00 ; B01J23/00 ; B01J27/00 ; C07B61/00 ; C07C45/00 ; C07C45/45 ; C07C45/57 ; C07C45/59 ; C07C45/60 ; C07C67/00 ; C07C45/18
摘要:
A novel and industrial process for preparing cyclopentenone derivatives by heating C.sub.5 .about.C.sub.13 aliphatic acids having one substituent or intramolecular esters thereof in the presence of a solid acid catalyst in a good yield.
公开/授权文献
- US5664472A Cutter apparatus for coil conductor 公开/授权日:1997-09-09
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