Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1999-02-12
1999-10-19
Henley, III, Raymond
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
560129, C07C 6976, C07C 6900
Patent
active
059691760
ABSTRACT:
An improved process for the production of 2,3,5-trimethylhydroquinone by rearrangement of 4-oxoisophorone (ketoisophorone, 3,5,5-trimethyl-2-cyclohexen-1,4-dione) to yield a trimethylhydroquinone diester and the subsequent saponification thereof. Trimethylhydroquinone is in turn an important starting material for the production of vitamin E.
Hasselbach Hans J.
Hubner Frank
Huthmacher Klaus
Krill Steffen
Shi Nongyuan
Degussa-Huls AG
Henley III Raymond
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