Preparation of 7-(2,3-epoxypropoxy)flavone
US4758678A · kind A · utility
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3Claims
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Key dates
| Filing date | Jul 18, 1986 |
| Grant date | Jul 19, 1988 |
| Priority date | — |
| Expiry date | Jul 18, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D311/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
7-(2,3-Epoxypropoxy)flavone is prepared by the reaction of 7-hydroxyflavone with an epihalohydrin in the presence of a weak base and acetonitrile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.