Thiophene compounds

US4937256A · kind A · utility

Assignee

• BASF SE

Inventors

• Reiner Kober · Neheim, DE
• Joachim Leyendecker · Ladenburg, DE
• Rainer Seele
• Stefan Karbach · Ludwigshafen, DE
• Norbert Meyer · Langenburg, DE
• Karl-Otto Westphalen · Speyer, DE
• Bruno Wuerzer · Otterstadt, DE
• Gerhard Wagenblast · Wachenheim, DE

Key dates

• Filing date: May 25, 1989
• Grant date: Jun 26, 1990
• Expiry date: May 25, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D333/28
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Thiophene compounds of the formula I ##STR1## where the substituents and the index have the following meanings: n is 0 or 1; PA0 R.sup.1 is hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.8 -haloalkyl or C.sub.1 -C.sub.6 -haloalkoxy; PA0 R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are cyano, nitro or the groups given for R.sup.1 ; PA0 A is hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, substituted or unsubstituted aryl or heteroaryl, a radical OR.sup.6, where PA0 R.sup.6 is hydrogen, C.sub.1 -C.sub.8 -alkyl, substituted C.sub.1 -C.sub.4 -alkyl, substituted or unsubstituted C.sub.2 -C.sub.8 -alkenyl, substituted or unsubstituted C.sub.3 -C.sub.7 -alkynyl, C.sub.4 -C.sub.9 -cycloalkyl, or a radical NR.sup.7 R.sup.8, where R.sup.7 and R.sup.8 are hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.6 -haloalkoxy, substituted or unsubstituted aryl or hetaryl, substituted or unsubstituted C.sub.1 -C.sub.12 -alkylcarbonyl, C.sub.1 -C.sub.12 -haloalkylcarbonyl, substituted or unsubstituted aryl or hetaryl, and their environmentally acc…