4-nitro-1-phenylpyrazoles, composition containing them, and method of using them to combat unwanted vegetation

US4746354A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Reinhold Gehring · Wuppertal, DE
• Uta Jensen-Korte · Düsseldorf, DE
• Otto Schallner · Monheim, DE
• Jorg Stetter · Wuppertal, DE
• Hans-Joachim Santel · Leverkusen, DE
• Robert R. Schmidt · Cologne, DE
• Wolfgang Behrenz · Overath, DE

Key dates

• Filing date: Mar 4, 1986
• Grant date: May 24, 1988
• Expiry date: Mar 4, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D231/16
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Herbicidally and insecticidally active 4-nitro-1-phenylpyrazoles of the formula ##STR1## in which R.sup.1 and R.sup.2 each independently is hydrogen, alkyl, cycloalkyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl or halogenoalkyl, PA0 R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 each independently is hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, alkoxycarbonyl, or --(X).sub.n --R.sup.8, PA0 X is oxygen, sulphur, sulphinyl or sulphonyl, PA0 n is 0 or 1, and PA0 R.sup.8 is halogenoalkyl.