Substituted phenoxyphenyl pyridazones, their preparation, and their use as herbicides

US4360672A · kind A · utility

Assignee

• BASF SE

Inventors

• Adolf Parg · Bad Dürkheim, DE
• Gerhard Hamprecht · Weinheim, DE
• Bruno Wuerzer · Otterstadt, DE

Key dates

• Filing date: Mar 26, 1981
• Grant date: Nov 23, 1982
• Expiry date: Mar 26, 2001

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D237/16
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Substituted pyridazones of the general formula ##STR1## where R.sup.2 is halogen or alkoxy, R.sup.1 is amino, alkylamino, dialkylamino, alkoxyamino, alkylalkoxyamino, halogen, alkoxy, trimethyleneimino or acylated amino, X is unsubstituted or substituted phenoxy of the formula ##STR2## where R.sup.3, R.sup.4 and R.sup.5 are each, independently of one another, hydrogen, halogen, nitro, cyano, carboxyl, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylmercapto, haloalkylmercapto, alkylsulfinyl or alkylsulfonyl and Y is hydrogen, cyano, haloalkyl, halogen or nitro, and herbicides which contain these compounds.