Method for the preparation of (S)-2-acetyloxypropionic acid and derivatives thereof
US9963416B2 · kind B2 · utility
0Cited by
6References
18Claims
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Key dates
| Filing date | Jun 10, 2015 |
| Grant date | May 8, 2018 |
| Priority date | — |
| Expiry date | Jun 10, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/07
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a method for the acetylation of an aqueous solution of lactic acid to (S)-2-acetyloxypropionic acid. The process comprises in particular removing water from the solution of lactic acid and reacting lactic acid with acetic anhydride in the presence of acetic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.