Oxidative process for the preparation of allyl quinone derivatives
US5565586A · kind A · utility
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Key dates
| Filing date | Mar 1, 1995 |
| Grant date | Oct 15, 1996 |
| Priority date | — |
| Expiry date | Mar 1, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P3/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.