Process for preparing heterocyclic compounds

US6211379A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Hermann Seifert · Bensberg, DE
• Reinhard Lantzsch · Leverkusen, DE
• Werner Lindner · Eppstein, DE
• Klaus Jelich · Wuppertal, DE

Key dates

• Filing date: Jan 20, 2000
• Grant date: Apr 3, 2001
• Expiry date: Jan 20, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D417/06
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present application relates to a process for preparing compounds of the formula (I) ##STR1## in which R.sup.1, A, X and Z are each as defined in the description by reacting compounds of the formula (II) ##STR2## in which A and X are each as defined in the description with compounds of the formula (III) ##STR3## in which Z, R.sup.1 and M.sup.1 are each as defined in the description.