Patent · US Expired

Process for producing 1,2,3-Triazole compounds

US7238719B2 · kind B2 · utility

0Cited by
4References
5Claims
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Assignee

Inventors

Key dates

Filing dateFeb 3, 2003
Grant dateJul 3, 2007
Priority date
Expiry dateDec 12, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/55
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Disclosed is a process for efficiently producing a compound represented by formula (I):wherein R1 represents aryl, amino, alkyl, or alkoxy; R2 represents a protective group of the carboxylic acid; and R3 represents an alkali metal, a hydrogen atom, alkyl, aryl, alkylsulfonyl, arylsulfonyl, or trialkylsilyl. This process is characterized by reacting a compound of formula (II) with a compound of formula (III) in the presence of a transition metal compound.

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