Title:
METHOD FOR PRODUCING OPTICALLY ACTIVE ASTAXANTHIN
Document Type and Number:
Japanese Patent JP2018131390
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method for producing an optically active 3(S),3'(S)-astaxanthin (I), with a 3(RS)-acetoxy-4-oxo-β-ionone derivative (IIab) of a racemate as the starting material.SOLUTION: The present invention provides a method for producing an optically active 3(S),3'(S)-astaxanthin, represented by formula (I), with a 3(RS)-acetoxy-4-oxo-β-ionone derivative (IIab) of a racemate as the starting material, the method including 8-9 separation and reaction steps.SELECTED DRAWING: None
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Inventors:
SHINOHARA RYOMA
TANIGUCHI AKITO
SAKATA RYO
KOBAYASHI GAKUSHI
MORIIZUMI MASATAKA
FUJITA TAKESHI
TANIGUCHI AKITO
SAKATA RYO
KOBAYASHI GAKUSHI
MORIIZUMI MASATAKA
FUJITA TAKESHI
Application Number:
JP2017024361A
Publication Date:
August 23, 2018
Filing Date:
February 13, 2017
Export Citation:
Assignee:
ASTA PHARMA CO LTD
International Classes:
C07C403/24; C07C49/753; C12P23/00; C12P41/00
Attorney, Agent or Firm:
Koichi Hirota
Yoshihiro Nagare
Naoko Matsuda
Takeshi Yamashita
Yoshihiro Nagare
Naoko Matsuda
Takeshi Yamashita