HETEROARYLOXY-BETA-CARBOLINE DERIVATIVES, THEIR PREPARATION AND THEIR USE AS MEDICINAL AGENTS

摘要

Heteroaryloxy-.beta.-carboline derivatives of general Formula I (I), wherein R1 is an optionally substituted heteroaryl residue, R2 is hydrogen, lower alkyl or lower alkoxyalkyl, X is a COOR3-group wherein R3 means H or lower alkyl, or represents a CONR4R5-group wherein R4 and R5 mean respectively hydrogen or lower alkyl, R4 and R5 being capable of forming, together with the nitrogen atom, a 5- -to 6-membered heterocycle, or means an oxadiazolyl residue of the formula or wherein R6 means hydrogen, lower alkyl or cycloalkyl, are valuable pharmaceuticals.