Patent · US Expired

Process for the preparation of phenyl pyrazole compounds

US7129372B2 · kind B2 · utility

1Cited by
0References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 30, 2003
Grant dateOct 31, 2006
Priority date—
Expiry dateJun 30, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D231/44
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for the preparation of compound (III) which comprises the reaction between a compound of general formula (V) and dicyano acetylene (IV), said reaction carried out in the presence of water (IV), (V), (III) wherein R is selected from CF3, or C1 to C6 alkyl M is an alkaline or alkaline-earth metal or silver

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