Xanthenecarboxylates, processes for preparing them, and their use as pharmaceutical compositions

Abstract

Xanthenecarboxylates of formula 1 wherein: A is a group selected from X− is an anion with a single negative charge; R is hydroxy, methyl, hydroxymethyl, ethyl, —CF3, —CHF2, or fluorine; R1 and R2, which are identical or different, are each C1-C5-alkyl which is optionally substituted by C3-C6-cycloalkyl, hydroxy, or halogen, or R1 and R2 together denote a —C3-C5-alkylene-bridge; and R3, R4, R3′, and R4′, which are identical or different, are each hydrogen, —C1-C4-alkyl, —C4-alkyloxy, hydroxy, —CF3, —CHF2, —CN, —NO2, or halogen, or a physiologically acceptable salt thereof, processes for preparing, them and their use in pharmaceutical compositions.

Dependencies are inferred from the claim text.