ISSN:
0018-019X
Keywords:
Chemistry
;
Organic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
Six keto carotenoids (4, 5, 6, 11, 12, and 22) were synthesized from intermediates which were prepared from the condensation products of mesityl oxide and acetoacetic ester. Compounds 4 and 22 can serve as precursors for zeaxanthin, while 5 can be used as an intermediate for xanthophyll. Echinenone and canthaxanthin were prepared by a new approach from vitamin A. Two new types of keto carotenoids with the keto functions incorporated into the unsaturated chain were prepared.
Additional Material:
8 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/hlca.19700530513
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