Patent · US Expired

Process for the manufacture of p-hydroxybenzyl cyanide

US4154757A · kind A · utility

3Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 22, 1978
Grant dateMay 15, 1979
Priority date
Expiry dateMay 22, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C255/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for the manufacture of p-hydroxybenzyl cyanide which comprises reacting p-hydroxymandelic acid with cyanide ion. The product is a useful intermediate for the preparation of the .beta.-adrenergic blocking agent atenolol.

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