Dihydroxyphenylethylaminoalkyl theophyllines

US4153696A · kind A · utility

Assignee

• Deutsche Gold- und Silber-Scheideanstalt Vormals Roessler

Inventors

• Axel Kleemann · Hanau, DE
• Karl H. Klingler · Langen, DE
• Ansgar VON Schlichtegroll · Bad Homburg vor der Höhe, DE
• Fritz Stroman · Offenbach, DE
• Klaus Thiemer · Hanau, DE
• Erik Westermann · Kürten, DE

Key dates

• Filing date: Nov 29, 1977
• Grant date: May 8, 1979
• Expiry date: Nov 29, 1997

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P9/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

There are prepared compounds of the formula ##STR1## in which T is the theophyllin-7-yl group and alk is a straight or branched alkylene chain with 2 to 4 carbon atoms and salts thereof. The compounds promote circulation and produce a marked and persistent increase in renal circulation.