Process for preparing pyridinecarboxylic acid derivatives

US5322948A · 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: Jan 2, 1992
• Grant date: Jun 21, 1994
• Expiry date: Jan 2, 2012

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. The invention also pertains to the use of N-hydroxy-2-aminoethane derivatives (including the N-hydroxy-2-aminobutane diacid derivatives) in the preparation of pyridine derivatives.