Modifications of 2-amino-4-(4-fluorobenzylamino)-1-ethoxycarbonylaminobenzene, and processes for their preparation

US6538151B1 · kind B1 · utility

Assignee

• Asta Medica Aktiengesellschaft · DE

Inventors

• Peter Meisel · Dresden, DE
• Karl-Friedrich Landgraf · Dresden, DE
• Jürgen Schäfer · Radebeul, DE
• Wilfried Thiel · Pausa, DE
• Matthias Rischer · Frankfurt am Main, DE
• Alfred Olbrich · Halle (Westf.), DE
• Bernhard Kutscher · Maintal, DE

Key dates

• Filing date: Oct 29, 1998
• Grant date: Mar 25, 2003
• Expiry date: Oct 26, 2019

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P29/00
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to novel modifications of the compound 2-amino-4-(4-fluorobenzylamino)-1-ethoxy-carbonylaminobenzene of the processes for their preparation and their use in pharmaceutical compositions.