Patent · US Expired

Intermediates and process for the preparation thereof

US6215005A · kind A · utility

5Cited by
2References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 3, 2000
Grant dateApr 10, 2001
Priority date
Expiry dateMay 3, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D333/20
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for the preparation of [2-(2-thienyl)-ethylamino]-(2-halogenophenyl)-acetonitriles of general formula (I) starting from 2-(2-thienyl)-ethyl-amine, alkalicyanide and o-halogeno-benzaldehyde. Compounds of general formula (I) are valuable intermediates.

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