Therapeutic xanthine derivatives for the treatment of peptic ulcer disease

US5082845A · kind A · utility

Assignee

• Hoechst Japan Limited · JP

Inventors

• Erhard Wolf · Hofheim, DE
• Ulrich Gebert · Königstein, DE
• Harald Furrer · Frankfurt am Main, DE
• Toshizo Tanaka · Saitama, JP
• Masao Sakurai · Ageo, JP
• Masayoshi Goto · Tokyo, JP

Key dates

• Filing date: Feb 17, 1989
• Grant date: Jan 21, 1992
• Expiry date: Feb 17, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D473/06
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Therapeutic agents for the treatment of peptic ulcer disease, containing as active ingredient, at least one compound of the general formula ##STR1## wherein R.sup.1 and R.sup.3 are the same or different and are each (C.sub.1 -C.sub.8)alkyl, ##STR2## R.sup.2 is (C.sub.1 -C.sub.4)alkyl; R.sup.4 and R.sup.5 are the same or different and are each hydrogen or (C.sub.1 -C.sub.2)alkyl; R.sup.6 is (C.sub.1 -C.sub.2)alkyl; and m, n and p are the same or different and are each 1, 2, 3, 4, 5 or 6; with the proviso that one of the groups R.sup.1 and R.sup.3 is ##STR3## or that R.sup.3 represents ##STR4## Some of the compounds of formula I are novel.