Process for preparing 2-naphthanoic acids and esters thereof
US4761497A · kind A · utility
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6References
20Claims
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Key dates
| Filing date | Oct 13, 1987 |
| Grant date | Aug 2, 1988 |
| Priority date | — |
| Expiry date | Oct 13, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
2-Naphtanoic acid or ester thereof is prepared by heating a compound selected from the group consisting of ketals and enol ethers or esters of an alpha-acetyl cinnamic acid or ester thereof at a temperature effective to cyclize the compound and form said 2-naphthanoic acid or ester thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.