Patent · US Expired

Heterocyclic compounds

US5034051A · kind A · utility

8Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 23, 1989
Grant dateJul 23, 1991
Priority date
Expiry dateJun 23, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D487/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Herbicidal compounds of the formula ##STR1## in which X denotes an oxygen atom or sulfur atom, PA0 Y denotes a hydrogen atom or halogen atom, PA0 Z denotes an oxygen atom or sulfur atom, PA0 n denotes 0 to 1, and PA0 R denotes hydrogen, an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 2 to 4 carbon atoms or an alkynyl group having 2 to 4 carbon atoms. Intermediates of the formula ##STR2## are also new.

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