Patent · US Expired

Process for the preparation of 1,2,4-triazole derivatives

US4006157A · kind A · utility

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3Claims
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Assignee

Inventors

Key dates

Filing dateJun 24, 1975
Grant dateFeb 1, 1977
Priority date
Expiry dateJun 24, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D249/12
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Preparation of 1-isopropyl-3-hydroxy-5-chloro-1,2,4-triazole by reacting isopropylhydrazine hydrochloride with N-chlorocarbonylisocyanidedichloride.

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