Title:
【発明の名称】ヒドロキノン誘導体
Document Type and Number:
Japanese Patent JPH0639468
Kind Code:
B2
Abstract:
There is described a novel process for the manufacture of hydroquinone derivatives of the formula II wherein R represents an ether protecting group, and their conversion into d- alpha -tocopherol starting from compounds of the formula I wherein R has the above significance.
Inventors:
Mariko Hayashimatsu
Joseph Hyupsya
Joseph Hyupsya
Application Number:
JP30277691A
Publication Date:
May 25, 1994
Filing Date:
October 23, 1991
Export Citation:
Assignee:
F. Hoffman-La Rochille Age
International Classes:
B01J23/40; C07B61/00; C07C41/00; C07C41/26; C07C43/23; C07C46/02; C07C50/28; C07C67/00; C07D303/12; C07D303/22; C07D303/26; C07D303/32; C07D311/72; C07F7/18; (IPC1-7): C07D303/22
Attorney, Agent or Firm:
Heiyoshi Odashima