Patent · US Expired

Process for the preparation of 2-(5-isopropyl-5-methyl-4-oxo-2-imidazolin-2-yl)-3-quinoline-carboxylic acid and alkyl 2-trichloromethyl-3-quinoline-carboxylate intermediates therefor

US4459408A · kind A · utility

6Cited by
0References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 25, 1982
Grant dateJul 10, 1984
Priority date
Expiry dateMay 25, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D215/54
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention is related to a novel process for the prepartion of 2-(5-isopropyl-5-methyl-4-oxo-2-imidazolin-2-yl)-3-quinolinecarboxylic acid, a useful and valuable herbicide.

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