Herbicidal 2-(hectero)aryloxy-6-arypyridines and 2-aryl-4-(hetero)aryloxypyrimidines

US5824624A · kind A · utility

Assignee

• American Cyanamid Company · US

Inventors

• Axel Kleeman · Hanau, DE
• Helmut Siegfried Baltruschat · Dülmen, DE
• Thelka Hulsen · Amöneburg, DE

Key dates

• Filing date: Dec 6, 1996
• Grant date: Oct 20, 1998
• Expiry date: Dec 6, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D401/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

New herbicidal pyridine and pyrimidine derivatives of general formula (I), ##STR1## wherein Z represents a nitrogen atom or a C--H group; A represents an optionally substituted aryl group or an optionally substituted 5- or 6-membered nitrogen-containing heteroaromatic group; n represents an integer from 0 to 2 and R.sup.1 or each R.sup.1 independently represents a hydrogen atom or an optionally substituted alkyl, alkoxy, alkylthio or dialkylamino group; m represents an integer from 0 to 5 and R.sup.2 or each R.sup.2 independently represents a hydrogen or a halogen atom or an optionally substituted alkyl, haloalkyl, haloalkoxy, alkoxy, alkylthio group or a nitro, cyano or a halosulphonyl group; and X represents an oxygen or sulphur atom.