发明授权
- 专利标题: Method for producing bicyclic guanidines by use of a cyclic urea
- 专利标题(中): 通过使用环状脲制备双环胍的方法
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申请号: US12118082申请日: 2008-05-09
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公开(公告)号: US08039618B2公开(公告)日: 2011-10-18
- 发明人: Britt A. Minch , Charles R. Hickenboth , Richard F. Karabin , Steven R. Zawacky , Gregory J. McCollum
- 申请人: Britt A. Minch , Charles R. Hickenboth , Richard F. Karabin , Steven R. Zawacky , Gregory J. McCollum
- 申请人地址: US OH Cleveland
- 专利权人: PPG Industries Ohio, Inc.
- 当前专利权人: PPG Industries Ohio, Inc.
- 当前专利权人地址: US OH Cleveland
- 代理商 Diane R. Meyers; Steven W. Hays
- 主分类号: C07D471/04
- IPC分类号: C07D471/04
摘要:
The present invention is directed to a method for producing bicyclic guanidines comprising heating a cyclic urea to a temperature >200° C. to form the bicyclic guanidines.
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