Process for producing astaxanthin

Details Process for producing astaxanthin Process for producing astaxanthin

1979-05-21

1981-01-13

Love, Ethel G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

2603409R, 560120, 560259, 568377, C07C 69612

Patent

active

042451094

ABSTRACT:
The compound 5[4(acyloxy or protected hydroxy-3-oxo-2,6,6-trimethyl-cyclohex-1-en-1-yl)-3-methyl-penta-1,4-dien- 3-ol], an intermediate for the coloring agent astaxanthin, its conversion to astaxanthin and its preparation from 4-oxo-.beta.-ionone including intermediates in this synthesis.

REFERENCES:
patent: 2382313 (1945-08-01), Henke
patent: 3773824 (1973-11-01), Strong
patent: 3839421 (1974-10-01), Schwieter et al.
patent: 4156090 (1979-05-01), Kienzle

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