Method for preparing mercaptopropionic acid esters
US5157147A · kind A · utility
7Cited by
3References
21Claims
0Family size
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Key dates
| Filing date | Nov 5, 1990 |
| Grant date | Oct 20, 1992 |
| Priority date | — |
| Expiry date | Nov 5, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C319/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process is provided for the preparation of mercaptopropionic acid esters by reaction of an acrylic acid ester with hydrogen sulfide in the presence of a weakly basic amine as a catalyst, a polyether as a co-catalyst, a polythiodipropionic acid ester as a reactive solvent, and added elemental sulfur.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.