Process for preparing furan compositions
US5103026A · kind A · utility
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11Claims
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Key dates
| Filing date | Apr 23, 1990 |
| Grant date | Apr 7, 1992 |
| Priority date | — |
| Expiry date | Apr 23, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing a composition of the formula ##STR1## by reacting a composition of the formula ##STR2## with a polyhydric alcohol of the formula HO--X--OH in the presence of an acid catalyst at an elevated temperature to form a ketal of the formula ##STR3## and reacting the ketal of the formula (II) with a monohydric alcohol in the presence of an acid at an elevated temperature to form ##STR4##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.