Herbicidal agents

US4168963A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Walter Rupp
• Manfred Finke
• Hermann Bieringer · Eppstein, DE
• Peter Langeluddeke · Hofheim, DE
• Hans-Jerg Kleiner · Kronberg, DE

Key dates

• Filing date: May 16, 1977
• Grant date: Sep 25, 1979
• Expiry date: May 16, 1997

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/301
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Herbicidal agents, containing as active ingredient a compound of the formula ##STR1## or their salts with acids, are useful for combatting a great variety of mono- and dicotyledonous weeds. In the formula R.sub.1 is methyl or halomethyl, R.sub.2 is OH, SH, OM or SM (M=equivalent of a base), R.sub.3 is the same as R.sub.2 or an ester, amide or hydrazide group, R.sub.4 and R.sub.5 are preferably hydrogen and X is oxygen or sulfur.