Continuous process for the preparation of (S)-2-acetyloxypropionic acid chloride

Continuous process for the preparation of (S)-2-acetyloxypropionic acid chloride

  • CN 104,955,798 A
  • Filed: 12/04/2013
  • Published: 09/30/2015
  • Est. Priority Date: 12/11/2012
  • Status: Active Application
First Claim
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1. prepare a continuation method for (S)-2-acetyloxypropanoic acid, comprise the following steps:

  • A '"'"') distilled water from lactic acid aqueous solution, and replaced by the acetic acid stream acetic acid in liquid phase or vapor phase,A) with diacetyl oxide by the lactic acid acetylize in acetic acid,B) distilled by acetic acid, reclaim (S)-2-acetyloxypropanoic acid.

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