Patent · US Expired

4-methoxybiphenyl hydrazone derivatives

US6706895B1 · kind B1 · utility

4Cited by
12References
23Claims
0Family size

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Key dates

Filing dateNov 14, 2002
Grant dateMar 16, 2004
Priority date
Expiry dateNov 14, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2603/18
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Disclosed herein is a compound having the formula: wherein R1 is alkyl and R2 and R3 are independently selected aryl groups. Also disclosed is a method of making bifenazate using the compound as an intermediate.

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