Patent · US Expired

Process for the preparation of terbinafine

US6515181B2 · kind B2 · utility

4Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 28, 2002
Grant dateFeb 4, 2003
Priority date
Expiry dateFeb 28, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C209/68
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for the preparation of terbinafine which comprises the reaction of tert-butylacetylene with a compound of formula (II) characterized in that the reaction is carried out in the presence of copper (I) salts and of a base, in the absence of palladium.

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