Method for producing 3,4-dihydroxy-3-cyclobutene-1,2-dione
US5808166A · kind A · utility
1Cited by
2References
4Claims
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Assignee
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Key dates
| Filing date | Dec 3, 1997 |
| Grant date | Sep 15, 1998 |
| Priority date | — |
| Expiry date | Dec 3, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C49/517
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
In the formulae, R.sup.1 represents alkyl; and R.sup.2, R.sup.3 and X independently represent halogen. The present invention relates to a method for producing 3,4-dihydroxy-3-cyclobutene-1, 2-dione of general formula (II) by hydrolyzing 3-alkoxy-2, 2, 4, 4-tetrahalogenocyclobutanone derivative of general formula (I).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.