Patent · US Expired

Stepwise alkylation of 5-substituted 1-(4-fluorophenyl)-1,3-dihydroisobenzofurans

US6864379B2 · kind B2 · utility

1Cited by
29References
20Claims
0Family size

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Inventors

Key dates

Filing dateSep 10, 2002
Grant dateMar 8, 2005
Priority date—
Expiry dateSep 10, 2022

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P43/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Methods for manufacture of citalopram through stepwise alkylation of 5-substituted 1-(4-fluorophenyl)-1,3-dihydroisobenzofurans are disclosed.

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