Trisubstituted biphenyls

US5863930A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Jurgen Dressel · Radevormwald, DE
• Peter Fey · Wuppertal, DE
• Rudolf Hanko · Düsseldorf, DE
• Walter Hubsch · Wuppertal, DE
• Thomas Kramer · Wuppertal, DE
• Ulrich Muller · Wuppertal, DE
• Matthias Muller-Gliemann · Haan, DE
• Martin Beuck · Milford, US
• Stanislav Kazda · Wuppertal, DE
• Stefan Wohlfeil · Hilden, DE
• Andreas Knorr · Erkrath, DE
• Johannes-Peter Stasch · Wuppertal, DE
• Siegfried Zaiss · Wuppertal, DE

Key dates

• Filing date: Dec 18, 1995
• Grant date: Jan 26, 1999
• Expiry date: Dec 18, 2015

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P9/12
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Trisubstituted biphenyls are prepared by reacting corresponding pyridones with biphenylmethyl halogen compounds. The trisubstituted biphenyls can be employed as active compounds in medicaments.