Patent · US Expired

Process for producing p-hydroxyphenyl/acetic acid

US4393235A · kind A · utility

0Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 4, 1981
Grant dateJul 12, 1983
Priority date
Expiry dateMay 4, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C51/377
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for the preparation of p-hydroxyphenylacetic acid by reducing p-hydroxymandelic acid with a stannous salt. The product is a valuable intermediate for the preparation of the .beta.-adrenergic blocking agent atenolol.

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