发明名称 Hydroquinone derivatives useful in the production of vitamin E
摘要 The present invention is directed to novel hydroquinone derivatives which are useful as intermediates for the manufacture of (R,R,R)- alpha -tocopherol (natural vitamin E) as well as of racemic alpha -tocopherol. The invention is also directed to a process for the preparation of the hydroquinone derivatives of the invention.
申请公布号 US4689427(A) 申请公布日期 1987.08.25
申请号 US19850798510 申请日期 1985.11.15
申请人 HOFFMANN-LA ROCHE INC. 发明人 IMFELD, MARQUARD
分类号 C07C41/48;B01J31/00;B01J31/20;B01J31/22;B01J31/24;C07B61/00;C07C41/00;C07C41/03;C07C41/30;C07C43/23;C07C43/30;C07C43/315;C07C67/00;C07C67/333;C07C69/035;C07C69/157;C07C69/18;C07D311/72;C07F7/08;(IPC1-7):C07C69/00;C07C37/11 主分类号 C07C41/48
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