Title:
【発明の名称】レチナールの製造方法
Document Type and Number:
Japanese Patent JPH0751557
Kind Code:
B2
Abstract:
Process for the preparation of retinal by condensation of a C15 sulphide of formula (I) with a C5 haloacetal of formula (II) followed by the hydrolysis and the desulphurisation of the C20 acetal sulphide of formula (III) via the intermediacy of the aldehyde sulphide of formula (IV).
Inventors:
Marc Giulia
Application Number:
JP27112088A
Publication Date:
June 05, 1995
Filing Date:
October 28, 1988
Export Citation:
Assignee:
Center Nacional de la Lucier Ciel Cayantei Fic (C.N.R.S)
International Classes:
A61K31/07; C07C33/02; C07C67/00; C07C401/00; C07C403/00; C07C403/14; C07C403/22; C07D213/70; C07D277/00; (IPC1-7): C07C403/14; C07C403/22
Attorney, Agent or Firm:
Heiyoshi Odashima
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