Process for preparing furan compositions
US5189185A · kind A · utility
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12Claims
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Key dates
| Filing date | Feb 27, 1990 |
| Grant date | Feb 23, 1993 |
| Priority date | — |
| Expiry date | Feb 27, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing furans of the formula (I) ##STR1## by reacting a furanone of the formula ##STR2## with an organic orthoacid or an orthosilicate in the presence of an acid catalyst at an elevated temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.