Novel process for the manufacture of thiophene derivatives suited for the manufacture of biotin, process for the manufacture of biotin and novel intermediates in this process
申请人:F. HOFFMANN-LA ROCHE & CO.
Aktiengesellschaft
公开号:EP0011777A1
公开(公告)日:1980-06-11
The process starts from L-cystine and proceeds via various novel intermediates, particularly the isoxazolines and isoxazolidines of the formulae I and II.
该过程以 L-胱氨酸为起点,通过各种新型中间体,特别是式 I 和式 II 中的异噁唑啉类和异噁唑烷类进行。