Patent · US Expired

Process for the preparation of biphenyl intermediates

US4620025A · kind A · utility

6Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 1, 1984
Grant dateOct 28, 1986
Priority date
Expiry dateAug 1, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C45/44
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A novel process for the preparation of intermediates in the totally synthetic antihypercholesterolemic agents, 6-[2-[1,1'-biphenyl]-2-yl-ethenyl] pyranones, involving a highly efficient nickel catalyzed aryl cross-coupling reaction is disclosed.

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