Fluorobenzenesulfonamides

US5210290A · kind A · utility

Assignee

• SCHERING CORPORATION · US

Inventors

• Heinz Gries · Berlin, DE
• Ulrich Niedballa · Berlin, DE
• Hanns-Joachim Weinmann · Berlin, DE
• Hans Bauer · Dana Point, US

Key dates

• Filing date: Mar 12, 1991
• Grant date: May 11, 1993
• Expiry date: Mar 12, 2011

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C311/13
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Fluorobenzenensulfonamides of Formula I ##STR1## wherein m means the number 0, 1, 2, 3, or 4, PA1 n means the number 0 or 1, and PA1 Y means the residue of an aminocarboxylic or aminosulfonic acid, with the proviso that m and n are not to stand simultaneously for the number 0 and, if desired, the acid groups are present in the form of their amides or in the form of salts with organic or inorganic bases, are suitable for use as NMR diagnostic aids.