Document Type and Number:
Japanese Patent JPH0428248
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:
RICHAADO BAANAA
YOZEFU HYUPUSHAA
YOZEFU HYUPUSHAA
Application Number:
JP19772583A
Publication Date:
May 13, 1992
Filing Date:
October 24, 1983
Export Citation:
Assignee:
HOFFMANN LA ROCHE
International Classes:
C07C41/26; B01J23/40; C07B61/00; C07C41/00; C07C43/23; C07C46/02; C07C50/28; C07C67/00; C07D303/12; C07D303/22; C07D303/26; C07D303/32; C07D311/72; C07F7/18
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