Patent · US Expired

Herbicidal N-aryl-substituted nitrogen-containing heterocycles

US5069711A · kind A · utility

42Cited by
1References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 1, 1991
Grant dateDec 3, 1991
Priority date
Expiry dateFeb 1, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D471/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Herbicidal N-aryl-substituted nitrogen-containing heterocycles of the formula ##STR1## in which Het represents a heterocycle of the formula ##STR2## R.sup.1 represents hydrogen or halogen and R.sup.2 represents halogen, hydroxyl or represents a radical --Z.sup.2 --R.sup.8, where PA0 X.sup.1 represents oxygen, represents a --CH.sub.2 -- group, represents a ##STR3## or represents a ##STR4## represents nitrogen or a CH group, Z.sup.1 represents oxygen or sulphur, PA0 Z.sup.2 represents oxygen or sulphur, PA0 R.sup.3 and R.sup.4 independently of one another in each case represent hydrogen or alkyl, PA0 R.sup.3 and R.sup.6 either independently of one another in each case represent hydrogen or alkyl or together represent a double-linked alkanediyl radical, PA0 R.sup.7 represents hydrogen, alkyl or represents optionally substituted aryl and PA0 R.sup.8 represents in each case optionally substituted alkyl, alkenyl alkinyl or cycloalkyl.

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