发明授权
- 专利标题： Method for the preparation of (S)-2-acetyloxypropionic acid and derivatives thereof
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申请号： US16276252申请日： 2019-02-14
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公开(公告)号： US10738000B2公开(公告)日： 2020-08-11
- 发明人: Roberta Fretta , Pietro Delogu , Fernanda Di Giorgio , Alfonso Nardelli , Stefano Sguassero , Carlo Felice Viscardi
- 申请人： BRACCO IMAGING S.P.A.
- 申请人地址： IT Milan
- 专利权人： Bracco Imaging SpA
- 当前专利权人： Bracco Imaging SpA
- 当前专利权人地址： IT Milan
- 代理商 Guyan Liang
- 优先权： com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@744aaab3
- 主分类号： C07C67/08
- IPC分类号： C07C67/08 ; C07C67/287 ; C07C51/44 ; B01D3/00 ; C07C67/54
摘要：
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.
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