Substituted N-phenylpyridazone derivatives

US4844729A · kind A · utility

Assignee

• BASF SE

Inventors

• Rainer Becker · Bad Dürkheim, DE
• Ulrich Wriede · Mutterstadt, DE
• Ulrich Schirmer · Heidelberg, DE
• Adolf Parg · Bad Dürkheim, DE
• Bruno Wuerzer · Otterstadt, DE
• Norbert Meyer · Langenburg, DE

Key dates

• Filing date: May 28, 1987
• Grant date: Jul 4, 1989
• Expiry date: May 28, 2007

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D237/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Substituted N-phenylpyridazone derivatives of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkylthio, C.sub.1 -C.sub.4 -alkylsulfinyl, C.sub.1 -C.sub.4 -alkylsulfonyl, halogen, cyano, phenyl, phenoxy, or phenylthio and Z is a straight-chain, saturated alkylene group of 1 to 5 carbon atoms, herbicides containing these compounds, and a process for combating the growth of unwanted plants.