2-amino-4-trichloropyridine derivatives

US5216171A · kind A · utility

Assignee

• BASF SE

Inventors

• Helmut Hagen · Bischofswerda, DE
• Hans Ziegler · Mutterstadt, DE
• Juergen Pfister · Speyer, DE
• Gerhard Nilz · Schifferstadt, DE
• Gisela Lorenz · Neustadt, DE
• Juergen Dressel · Schifferstadt, DE

Key dates

• Filing date: Apr 8, 1991
• Grant date: Jun 1, 1993
• Expiry date: Apr 8, 2011

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S106/90
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

2-Amino-4-trichloromethylpyridines of the general formula I ##STR1## where R.sup.1 is hydrogen or C.sub.1 -C.sub.8 -alkyl, PA0 R.sup.2 is C.sub.1 -C.sub.8 -alkyl, C.sub.5 -C.sub.8 -cycloalkyl, C.sub.2 -C.sub.4 -alkenyl or phenyl, benzyl or phenylsulfonyl, PA0 --CX--R.sup.3, --SO.sub.2 R.sup.3 or --PX(OR.sup.4).sub.2 or PA0 R.sup.1 and R.sup.2 together form .dbd.CR.sup.5 R.sup.6 or --CO--Z--CO--, PA0 X is oxygen or sulfur, PA0 R.sup.3 is C.sub.1 -C.sub.20 -alkyl, C.sub.2 -C.sub.6 -alkenyl, amino, C.sub.1 -C.sub.6 -alkylamino, di-C.sub.1 -C.sub.6 -alkylamino, morpholino, piperidino, pyrazolidino or C.sub.1 -C.sub.8 -alkylcarbonylamino, substituted or unsubstituted phenylamino or benzylamino, PA0 R.sup.4 is C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -haloalkyl or substituted or unsubstituted phenyl, PA0 R.sup.5 is hydrogen, C.sub.1 -C.sub.4 -alkyl, or substituted or unsubstituted phenyl, PA0 R.sup.6 is substituted or unsubstituted phenyl, PA0 Z is substituted or unsubstituted ethylene which may be part of a substituted or unsubstituted cycloalkyl or cycloalkylene radical, substituted or unsubstituted ethenylene which may be part of a substituted or unsubstituted aromatic or heteroaroma…