Hoechst Japan Limited

Toshizo Tanaka

Ulrich Gebert

Masayoshi Goto

Masao Sakurai

Harald Furrer

Erhard Wolf

Yuko Morioka

Shoryo Hayashi

Therapeutic agents for the treatment of peptic ulcer disease, containing as active ingredient, at least one compound of the general formula I ##STR1## wherein one of R.sup.1 and R.sup.3 is ##STR2## (wherein m is 1-5, R.sup.4 represents a (C.sub.1 -C.sub.4)alkyl group); the other one of R.sup.1 and R.sup.3 is hydrogen, (C.sub.3 -C.sub.6)alkenyl or (C.sub.1 -C.sub.8)alkyl which can be substituted with up to 2 hydroxyl groups or a (C.sub.1 -C.sub.4)alkoxy group; and R.sup.2 is (C.sub.1 -C.sub.4)alkyl.

Method for the treatment of peptic ulcer disease

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.

Therapeutic xanthine derivatives for the treatment of peptic ulcer

Therapeutic agent for the treatment of peptic ulcer disease comprising as active ingredient at least one compound of formula I ##STR1## wherein R.sub.1 =5-oxohexyl,

Therapeutic agent for the treatment of peptic ulcer disease

Growing community of inventors

Kawagoe, Japan

Toshizo Tanaka