Patent · US Expired

Process for the synthesis of N-(4-cyano-3-trifluoromethylphenyl)-3-(4-fluorophenylsulfonyl)-2-hydroxy-2-methylpropionamide

US7199257B1 · kind B1 · utility

1Cited by
2References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 26, 2000
Grant dateApr 3, 2007
Priority date
Expiry dateMay 26, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D327/10
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A new process is disclosed for the synthesis of racemic or optically pure N-[4-cyano-3-trifluoro-methyl-phenyl]-3[4-fluorophenyl-sulfonyl]-2-hydroxy-2-methylpropionamide. The process includes the formation of several novel intermediates in the synthesis.

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