Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1979-01-17
1980-08-26
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568828, C07C 4746, C07C 3508
Patent
active
042195063
ABSTRACT:
A process for producing vitamin A esters, vitamin A aldehyde and vitamin A acid esters from esters of 3,7-dimethyl-9-(1-hydroxy-2,2,6-trimethylcyclohexyl)-nona-2,4,6-trien-8-yn -1-ol and 3,7-dimethyl-9-(1-hydroxy-2,2,6-trimethylcyclohexyl)-nona-2,4,6-trien-8-yn oic acid including intermediates in this process.
REFERENCES:
patent: 2622103 (1952-12-01), Evans
patent: 2655548 (1953-10-01), Evans
patent: 4022807 (1977-05-01), Olson et al.
Olson Gary L.
Saucy Gabriel
Epstein William H.
Hoffmann-La Roche Inc.
Leon Bernard S.
Lone Werren B.
Saxe Jon S.
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