Manufacture of canthaxanthin

Details Manufacture of canthaxanthin Manufacture of canthaxanthin

1977-10-13

1980-07-15

Morgenstern, Norman

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

Organic compounds

Oxygen containing

568348, 568363, 568364, C07C 4502

Patent

active

042128277

ABSTRACT:
Process for the manufacture of canthaxanthin by oxidizing .beta.-carotene, retro-dehydro-carotene or echinenone with a salt of chloric or bromic acid in the presence of a catalyst and of an inert diluent or solvent.

REFERENCES:
patent: 2870197 (1959-01-01), Isler et al.
patent: 2871267 (1959-01-01), Petracek et al.
patent: 3646149 (1972-02-01), Morel
patent: 3790635 (1974-02-01), Morel
Sidgwick, The Chemical Elements & Their Compounds, vol. II, pp. 1225-1239 (1952).
Petrachek et al., (II) J.A.C.S., vol. 78, pp. 1427-1433 (1956).

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