Process for preparing pyridine and quinoline derivatives

US5405987A · kind A · utility

Assignee

• Hoechst Celanese Corporation · US

Inventors

• Varadaraj Elango · Norwood, US
• Donald R. Larkin · Port Aransas, US
• John R. Fritch · Port Aransas, US
• Michael P. Bodman · Port Aransas, US
• Werner H. Mueller · Port Aransas, US
• Bernard Franklin Gupton · Midlothian, US
• John Charles Saukaitis · Katy, US

Key dates

• Filing date: Mar 28, 1991
• Grant date: Apr 11, 1995
• Expiry date: Mar 28, 2011

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D401/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention pertains to a method of preparing substituted and unsubstituted N-hydroxy-2-aminobutane diacid derivatives which can be dehydrated to 2-aminobut-2-ene dioic acid derivatives, which can be subsequently converted to pyridine and quinoline derivatives.