Preparation of carboxylic acid esters of vicinal glycols
US4219666A · kind A · utility
1Cited by
8References
1Claims
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Key dates
| Filing date | Jul 30, 1979 |
| Grant date | Aug 26, 1980 |
| Priority date | — |
| Expiry date | Jul 30, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C67/05
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Carboxylic acid esters of vicinal glycols are prepared by oxidizing olefins with oxygen in the presence of carboxylic acids and of halogen and tellurium salts as catalysts, the reaction being carried out in vessels and apparatus consisting of, or lined with, zirconium or alloys of not less than 80% by weight of zirconium, the remainder being tin and/or hafnium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.