发明授权
- 专利标题： Vitamin a related compounds and process for producing the same
- 专利标题（中）： 维生素A相关化合物及其制备方法
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申请号： US09500998申请日： 2000-02-09
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公开(公告)号： US06348622B1公开(公告)日： 2002-02-19
- 发明人: Toshiya Takahashi , Shinzo Seko , Takashi Miki
- 申请人： Toshiya Takahashi , Shinzo Seko , Takashi Miki
- 优先权： JP9-228195 19970825; JP9-292314 19971024; JP9-341270 19971211; JP9-341271 19971211; JP10-013887 19980127; JP10-023416 19980204
- 主分类号： C07C6702
- IPC分类号： C07C6702
摘要：
There is provided a compound of the formula[I]: wherein R represents a hydrogen atom or a protective group for a hydroxyl group; and A represents a hydrogen atom, a halogen atom or a group of the formula A1: Q represents Q3: when A represents a halogen atom or a protective group for a hydroyl group, A represents Q4: wherein R1 and R2 represent a hydrogen atom or a protective group for a hydroxyl group; and when A represents a hydrogen atom, Q is Q2:
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