Patent · US Expired

Synthesis of 3-acylaminopyrazoles

US6593477B1 · kind B1 · utility

1Cited by
0References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 29, 2002
Grant dateJul 15, 2003
Priority date
Expiry dateOct 29, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D231/40
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Disclosed is a process for forming an N-acylamino pyrazole comprising contacting a N-acyl-3-oxo-imino ether compound either with a salt of hydrazine in the presence of a base or with hydrazine.

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