Patent · US Expired

Process for preparing alpha-hydroxy acids

US4981619A · kind A · utility

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13Claims
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Assignee

Inventor

Key dates

Filing dateNov 28, 1986
Grant dateJan 1, 1991
Priority date
Expiry dateNov 28, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C51/10
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for preparing alpha-hydroxycarboxylic acids. An organic halide is reacted with carbon monoxide and a hydrogen donor compound, in the presence of a carbonylation catalyst and an inorganic base, at a temperature of at least 90.degree. C.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.