Patent · US Expired

Process for preparing naphthyridones and intermediates

US6184380A · kind A · utility

23Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 25, 1999
Grant dateFeb 6, 2001
Priority date—
Expiry dateJan 25, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D209/52
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for preparing a naphthyridone carboxylic acid and its derivatives makes use of side chain intermediates of formulae I and IV herein.

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