Herbicidal 2, 6-disubstituted pyridines and 2, 4-disubstituted pyrimidines

US5849758A · kind A · utility

Assignee

• American Cyanamid Company · US

Inventors

• Axel Kleemann · Hanau, DE
• Helmut Siegfried Baltruschat · Dülmen, DE
• Thekla Hulsen · Amöneburg, DE
• Thomas Maier · Stockach, DE
• Stefan Scheiblich · Mainz, DE

Key dates

• Filing date: Aug 7, 1996
• Grant date: Dec 15, 1998
• Expiry date: Aug 7, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D405/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

New herbicidal pyrimidine derivatives of general formula (I), ##STR1## wherein Z represents a nitrogen atom; A represents a substituted aryl group or an optionally substituted pyridyl or pyrazolyl 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.