Pharmaceutical compositions

US4515795A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Heinz-Joachim Hinze · Wiesbaden, DE
• Alfons Soder · Kelsterbach, DE
• Kurt Popendiker · Wiesbaden, DE

Key dates

• Filing date: Mar 4, 1977
• Grant date: May 7, 1985
• Expiry date: Mar 4, 1997

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D473/10
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A pharmaceutical composition containing as an essential ingredient a compound of the formula ##STR1## wherein one of the groups R.sub.1, R.sub.2 and R.sub.3 is an .omega.- or (.omega.-1)-hydroxyalkyl group having from 5 to 8 carbon atoms in which the hydroxy group is separated from the xanthine nucleus by at least 2 carbon atoms, radicals R.sub.1 and R.sub.3 which are no hydroxyalkyl group, are hydrogen or methyl and equal or different, and R.sub.2 is said hydroxyalkyl group or methyl, a compound of formula (I) and a pharmaceutical product for treatment of diseases involving insufficiency of cerebral blood flow.