Saccharin derivatives

US5744425A · kind A · utility

Assignee

• BASF SE

Inventors

• Peter Plath · Bischofswerda, DE
• Uwe Kardorff · Mannheim, DE
• Wolfgang von Deyn · Neustadt, DE
• Stefan Engel · Idstein, DE
• Jurgen Kast · Böhl-Iggelheim, DE
• Harald Rang · Ludwigshafen, DE
• Hartmann Konig · Heidelberg, DE
• Matthias Gerber · Schifferstadt, DE
• Helmut Walter · Obrigheim, DE
• Karl-Otto Westphalen · Speyer, DE

Key dates

• Filing date: Feb 3, 1997
• Grant date: Apr 28, 1998
• Expiry date: Feb 3, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D417/10
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Saccharin derivatives of the formula I ##STR1## where the substituents have the following meanings: L and M are hydrogen, alkyl, alkoxy, alkylthio, chlorine, cyano, methylsulfonyl, nitro or trifluoromethyl; Z is hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, acyl, or benzyl or phenyl which are unsubstituted or substituted by halogen or alkyl; J is a 2-linked, unsubstituted or substituted cyclohexane-1,3-dione ring, are described.