Heterocyclically substituted N-sultamsulfonamides, and their use as herbicides and plant growth regulators

US4925480A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Lothar Willms · Hillscheid, DE
• Klaus Bauer · Rodgau, DE
• Hermann Bieringer · Eppstein, DE
• Helmut Burstell · Frankfurt am Main, DE

Key dates

• Filing date: Oct 28, 1988
• Grant date: May 15, 1990
• Expiry date: Oct 28, 2008

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N47/36
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Compounds of the formula I or their salts ##STR1## wherein R.sup.1 and R.sup.2 denote H, halogen, alkyl, alkenyl, alkynyl or alkoxy, which can be substituted, or denote --(CH.sub.2).sub.n --COOR.sup.11 ; PA0 R.sup.3 denotes H, alkyl, alkenyl or alkynyl; PA0 R.sup.4 denotes a heterocyclic radical of the formulae ##STR2## where E is CH or N; X is O or S nd a, b, c, d, e in each case denote 0, 1 or 2, with the proviso that c+d+e.gtoreq.2, possess excellent herbicidal and plant growth-regulating properties.