Substituted N-phenylglutarimides and N-phenylglutaramides, their preparation and use

US5698494A · kind A · utility

Assignee

• BASF SE

Inventors

• Ralf Klintz · Havelsee, DE
• Gerhard Hamprecht · Weinheim, DE
• Elisabeth Heistracher · Ludwigshafen, DE
• Peter Schaefer · Bad Dürkheim, DE
• Uwe Kardorff · Mannheim, DE
• Karl-Otto Westphalen · Speyer, DE
• Matthias Gerber · Schifferstadt, DE
• Helmut Walter · Obrigheim, DE

Key dates

• Filing date: Apr 26, 1995
• Grant date: Dec 16, 1997
• Expiry date: Apr 26, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D211/90
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Substituted N-phenylglutarimides I ##STR1## X.sup.1, X.sup.2 =O, S; R.sup.1 =halogen, NO.sub.2, CN, CF.sub.3 ; R.sup.2 =H, halogen; R.sup.3, R.sup.4, R.sup.5 =H, halogen, CN, alkyl, cyctoalkyl, alkenyl, alkynyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkyl-thio, cyanoalkyl, alkoxycarbonyl, unsubstituted or substituted phenyl or benzyl, or 2 substituents of a C atom or 2 substituents of adjacent C atoms of the glutarimide ring are bonded to one another via a chain which may be substituted; A=CHR.sup.6 --CHR.sup.7 --CO--B or CR.sup.6 .dbd.CR.sup.8 --CO--B; R.sup.6 =H, C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -haloalkyl; R.sup.7 =halogen, haloalkyl, OH, alkoxy or alkylcarbonyloxy; R.sup.8 =H, CN, alkyl, alkylcarbonyl, alkoxycarbonyl or B=H, alkyl, alkenyl, alkynyl, haloalkyl, cycloalkyl, alkoxy-alkyl, dialkoxyalkyl, alkylthioalkyl, alkoxy, alkylthio or amino, the last three radicals may be substituted, unsubstituted or functionalized; and plant-tolerable salts of I; their preparation and use as herbicides and desiccating/defoliating agents, and precursors for the preparation of the N-phenylglutarimides I.