Process for preparing substituted pyrimidines

US5698694A · kind A · utility

Assignee

• Sandoz AG · CH

Inventors

• Takeo Hokama · Mountain View, US
• Ian S. Cloudsdale · Ramona, US
• Werner Langer · Ludwigshafen, DE
• Hermann Schneider · Schweich, DE

Key dates

• Filing date: Oct 25, 1996
• Grant date: Dec 16, 1997
• Expiry date: Oct 25, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D405/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for preparation of substituted phthalides, heterocyclic phthalides and derivatives thereof by reacting an aromatic carboxylic acid mono- or di-anion with a reactive derivative of a pyrimidine carboxylic acid.