Patent · US Expired

Heterocyclic compounds

US5017211A · kind A · utility

90Cited by
9References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 19, 1989
Grant dateMay 21, 1991
Priority date
Expiry dateMay 19, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D413/08
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention is concerned with novel compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 have the significances given in the description, as well as enol ethers and salts thereof and their manufacture, weed control compositions which contain such compounds as the active substance and the use of the active substances or compositions for the control of weeds. The invention is also concerned with certain novel starting materials and their production.

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