Patent · US Expired

Preparation of esters

US4254051A · kind A · utility

10Cited by
3References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 13, 1980
Grant dateMar 3, 1981
Priority date
Expiry dateJun 13, 2000

Classification

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

Abstract

Certain alpha-cyano esters are prepared by reacting an acyl halide with an aldehyde in a substantially water-immiscible aprotic solvent and an aqueous solution of water-soluble cyanide salt in the presence of an amphoteric surfactant rate-promoting agent.

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