发明授权
- 专利标题: Preparation of thiolactams
- 专利标题(中): 硫醇内酯的制备
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申请号: US486709申请日: 1990-03-01
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公开(公告)号: US4956476A公开(公告)日: 1990-09-11
- 发明人: Alan D. Eastman , Marvin M. Johnson , Richard D. Skinner
- 申请人: Alan D. Eastman , Marvin M. Johnson , Richard D. Skinner
- 申请人地址: OK Bartlesville
- 专利权人: Phillips Petroleum Company
- 当前专利权人: Phillips Petroleum Company
- 当前专利权人地址: OK Bartlesville
- 主分类号: C07D207/24
- IPC分类号: C07D207/24 ; C07D227/06
摘要:
The reaction of lactams (preferably N-methyl-2-pyrrolidone) with hydrogen sulfide to thiolactams (preferably N-methyl-2-thiopyrrolidone) is conducted in the presence of a catalyst consisting essentially of alumina.
公开/授权文献
- US4492190A Recoil starter 公开/授权日:1985-01-08
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