发明名称 Novel cycloheptathiophene intermediates for the synthesis of biotin
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.
申请公布号 US4228295(A) 申请公布日期 1980.10.14
申请号 US19790047199 申请日期 1979.06.11
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
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