Process for the production of DTPA-monoamides of the central carboxylic acid and their use as pharmaceutical agents

US5679852A · kind A · utility

Assignee

• SCHERING CORPORATION · US

Inventors

• Johannes Platzek · Berlin, DE
• Ulrich Niedballa · Berlin, DE
• Peter Mareski · Berlin, DE
• Bernd Raduchel · Berlin, DE

Key dates

• Filing date: Jun 2, 1995
• Grant date: Oct 21, 1997
• Expiry date: Jun 2, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C237/20
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for the production of of general formula I diethylenetriaminepentacarboxylic acid monoamide derivatives ##STR1## in which E.sup.1, E.sup.2 and Z have varying meanings.