Thiochromenone derivatives as antidotes, and herbicides containing them

US5378677A · kind A · utility

Assignee

• BASF SE

Inventors

• Helmut Hagen · Bischofswerda, DE
• Peter Raatz · Ludwigshafen, DE
• Helmut Walter · Obrigheim, DE
• Andreas Landes · Schifferstadt, DE

Key dates

• Filing date: Jan 19, 1993
• Grant date: Jan 3, 1995
• Expiry date: Jan 19, 2013

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N43/18
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Herbicidal agents containing at least one thiochromenone of the formula I ##STR1## where n is 1, 2, 3 or 4, and the radicals R.sup.3 may have different meanings when n is>1; PA0 R.sup.1 is hydrogen; cyano; halogen; substituted or unsubstituted alkyl, aryl or hetaryl; PA0 a group --XR.sup.4 or a group --COYR.sup.4, where PA0 X is oxygen, sulfur and NR.sup.5, PA0 Y is oxygen and NR.sup.5, PA0 R.sup.4 is one of the following groups: PA0 hydrogen; formyl; alkyl; cycloalkyl; alkylcarbonyl; cycloalkylcarbonyl; alkylsulfonyl; cycloalkylsulfonyl; PA0 substituted or unsubstituted aryl, hetaryl, arylcarbonyl, hetarylcarbonyl, arylsulfonyl or hetarylsulfonyl; and PA0 R.sup.5 is hydrogen or substituted or unsubstituted alkyl, aryl or hetaryl; PA0 R.sup.2 is hydrogen; cyano; nitroso; nitro; halogen; substituted or unsubstituted alkyl, alkoxy, alkylthio, aryl or hetaryl; PA0 a group --NR.sup.4 R.sup.5 or a group --COYR.sup.4, where PA0 Y, R.sup.4 and R.sup.5 have the above meanings; PA0 R.sup.3 is hydrogen; cyano; halogen; substituted or unsubstituted alkyl, aryl or hetaryl; PA0 a group --YR.sup.4, a group --COYR.sup.4, a group --COR.sup.6 or a group --SO.sub.2 R.sup.7, where PA0 Y and R.sup.4 h…