Invention Grant
- Patent Title: Method for the preparation of (S)-2-acetyloxypropionic acid and derivatives thereof
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Application No.: US15946204Application Date: 2018-04-05
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Publication No.: US10246400B2Publication Date: 2019-04-02
- Inventor: Roberta Fretta , Pietro Delogu , Fernanda Di Giorgio , Alfonso Nardelli , Stefano Sguassero , Carlo Felice Viscardi
- Applicant: BRACCO IMAGING S.P.A.
- Applicant Address: IT Milan
- Assignee: Bracco Imaging S.P.A.
- Current Assignee: Bracco Imaging S.P.A.
- Current Assignee Address: IT Milan
- Agent Guyan Liang
- Priority: EP14171751 20140610
- Main IPC: C07C67/08
- IPC: C07C67/08 ; C07C67/287 ; C07C51/44 ; B01D3/00 ; C07C67/54
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.
Public/Granted literature
- US20180222840A1 METHOD FOR THE PREPARATION OF (S)-2-ACETYLOXYPROPIONIC ACID AND DERIVATIVES THEREOF Public/Granted day:2018-08-09
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