Patent · US Expired

Preparation of .alpha.-cyano-benzyl esters

US4294762A · kind A · utility

2Cited by
0References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 1, 1980
Grant dateOct 13, 1981
Priority date
Expiry dateMay 1, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/65742
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for the preparation of an insecticidally active compound such as ##STR1## comprising reacting a benzoyl-phosphonic acid ester of the formula ##STR2## with an alkali metal cyanide in aqueous acetic acid to produce the new compound ##STR3## which is reacted with an alkali or alkline earth metal salt of the formula ##STR4##

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