Thiodiazolylurea-containing agent for defoliating plants

US4921525A · kind A · utility

Assignee

• BASF SE

Inventors

• Klaus Grossman · Schifferstadt, DE
• Johann Jung · Schifferstadt, DE
• Guenter Schulz · Ludwigshafen, DE
• Hubert Sauter · Mannheim, DE
• Peter Hofmeister · Neustadt, DE
• Wolfgang Tuerk · Ludwigshafen, DE

Key dates

• Filing date: Oct 14, 1988
• Grant date: May 1, 1990
• Expiry date: Oct 14, 2008

Classification

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

Abstract

An agent for defoliating plants, which contains a 1,3,4-thiadiazol-2-ylurea of the formula I ##STR1## where R.sup.1 is hydrogen or methyl, and PA0 R.sup.2 is C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.2 -C.sub.4 -alkenyl, C.sub.3 -C.sub.6 -alknyl or phenyl which is unsubstituted or substituted by one or 2 chlorine or fluorine atoms, methyl groups, trifluoromethyl groups or methoxy groups, a process for the preparation of the agent, and its use in a method for defoliating plants.