Title:
【発明の名称】ビタミンAの調製法
Document Type and Number:
Japanese Patent JPH07116133
Kind Code:
B2
Abstract:
Process for preparing vitamin A which is practically free from 2- cis and 6-cis isomers by hydrogenation of vitamin A aldehyde, optionally in the form of a complex with hydroquinone, in the presence of a ruthenium hydride as catalyst.
Inventors:
Jiyan-Michel Groslan
Claude Mercier
Claude Mercier
Application Number:
JP29977888A
Publication Date:
December 13, 1995
Filing Date:
November 29, 1988
Export Citation:
Assignee:
Loan-Poulin Santo
International Classes:
A61K31/07; C07B61/00; C07C35/18; C07C67/00; B01J31/24; C07C401/00; C07C403/00; C07C403/08; (IPC1-7): C07C403/08; B01J31/24
Attorney, Agent or Firm:
Heiyoshi Odashima