发明名称 |
Cycloheptathiophene derivatives |
摘要 |
A novel process for the preparation of biotin is disclosed wherein said process employs inexpensive starting materials and reagents resulting in the obtention of biotin devoid of the biologically inactive stereoisomers.
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申请公布号 |
US4175086(A) |
申请公布日期 |
1979.11.20 |
申请号 |
US19780929870 |
申请日期 |
1978.07.31 |
申请人 |
HOFFMANN-LA ROCHE INC |
发明人 |
CONFALONE, PASQUALE N;LOLLAR, ELIZABETH D;PIZZOLATO, GIACOMO;USKOKOVIC, MILAN R |
分类号 |
C07D333/80;C07D495/04;C07D498/06;(IPC1-7):C07D333/80 |
主分类号 |
C07D333/80 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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