Patent · US Active

Production of bepromoline

US7795425B2 · kind B2 · utility

2Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 28, 2008
Grant dateSep 14, 2010
Priority date
Expiry dateDec 23, 2028

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D295/03
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for the preparation of a compound of formula (Ia):includes: (i) contacting a compound of formula (III):with a compound of formula (IV):in the presence of a palladium catalyst, methanol and hydrogen gas, the step (i) preferably being conducted under basic conditions with acetic acid being added to the medium of reaction once the consumption of the hydrogen gas has ceased.

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