Method for preparing hydroxystyrenes and acetylated derivatives thereof
US7586013B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Mar 17, 2005 |
| Grant date | Sep 8, 2009 |
| Priority date | — |
| Expiry date | May 29, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C41/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method is provided for the thermal decarboxylation of a phenolic substrate in the presence of a non-amine basic catalyst to produce a vinyl monomer. The product of the decarboxylation reaction may additionally be acetylated in the presence of an acetylating agent in the same reaction vessel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.