Oxidative process for the preparation of allyl quinone derivativ

Details Oxidative process for the preparation of allyl quinone derivativ Oxidative process for the preparation of allyl quinone derivativ

1995-03-01

1996-10-15

Cook, Rebecca

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

Organic compounds

Cyclohexadiene having atoms double bonded directly at the 1-...

C07C 5002

Patent

active

055655866

ABSTRACT:
A process for the industrial preparation of the quinone derivative represented by the following general formula: ##STR1## which is an intermediate for chroman derivatives useful as a blood sugar lowering agent, and novel intermediates, encompasses the following:
(1) Oxidation of the corresponding hydroquinone derivative, and
(2) Hydrolysis of the corresponding acyl hydroquinone derivative with a Claisen alkali, followed by the oxidation of resulting hydrolyzate.

REFERENCES:
patent: 4139545 (1979-02-01), Morimoto et al.
patent: 4526719 (1985-07-01), Terao et al.

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