Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1998-09-29
2000-04-11
Geist, Gary
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568383, 568388, 560178, 560203, 560205, C07C 4545
Patent
active
060490101
ABSTRACT:
A method for preparation of a dicarbonyl compound of the following formula ##STR1## by reacting a conjugated alkadiene compound of the formula ##STR2## with a 1,3-dicarbonyl compound of the formula ##STR3## in the presence of an acid catalyst. The products of the method are useful in the preparation of compounds such as vitamins A and E, various carotenoids, Retin A, dehydrolinalool, pseudoionone, citral, and linalool.
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Babler James H.
Posvic Harvey W.
Geist Gary
Loyola University of Chicago
Padmanabhan Sreeni
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