Patent · US Expired

Copper-catalyzed biaromatic coupling process

US4423234A · kind A · utility

6Cited by
2References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 17, 1982
Grant dateDec 27, 1983
Priority date
Expiry dateMay 17, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C17/263
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Improved yields of biaromatic compounds, e.g., unsymmetrical biphenyl compounds, result by incorporating metallic copper in a non-aqueous diazonium-type coupling reaction.

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