Patent · US Expired

Process for the preparation of chiral nicotinic, quinolinic or benzoic acid imidazolinone herbicides

US6339158B1 · kind B1 · utility

16Cited by
10References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 3, 2000
Grant dateJan 15, 2002
Priority date—
Expiry dateMay 3, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D401/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

There is provided a stereospecific process for the preparation of essentially enantiomerically pure imidazolinone herbicides having the R-configuration via (R)2-amino-2,3-dimethylbutyronitrile.

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