Patent · US Expired

Method for the preparation of citalopram

US6407267B1 · kind B1 · utility

14Cited by
10References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 25, 2001
Grant dateJun 18, 2002
Priority date
Expiry dateJun 25, 2021

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P25/24
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A method for the preparation of citalopram comprising reaction of a compound of Formula (IV), wherein R is C1-6 alkyl, acyl, C1-6 alkylsulfonyl or arylsulfonyl, with 3-(N,N-dimethylamino)-propyl magnesium halide, to prepare citalopram.

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