Heteroaryloxy-.beta.-carboline derivatives of general Formula I ##STR1## wherein R.sup.1 is an optionally substituted heteroaryl residue, R.sup.2 is hydrogen, lower alkyl or lower alkoxyalkyl, X is a COOR.sup.3 -group wherein R.sup.3 means H or lower alkyl, or represents a CONR.sup.4 R.sup.5 -group wherein R.sup.4 and R.sup.5 mean respectively hydrogen or lower alkyl, R.sup.4 and R.sup.5 being capable of forming, together with the nitrogen atom, a 5- to 6-membered heterocycle, or means an oxadiazolyl residue of the formula ##STR2## wherein R.sup.6 means hydrogen, lower alkyl or cycloalkyl, are valuable pharmaceuticals.
通式I的杂环氧基-.beta.-咔啉衍
生物 ##STR1##
其中R.sup.1是可选取的取代杂环残基,R.sup.2是氢、低烷基或低烷氧基烷基,X是COOR.sup.3-基团,其中R.sup.3表示H或低烷基,或表示CONR.sup.4R.sup.5-基团,其中R.sup.4和R.sup.5分别表示氢或低烷基,R.sup.4和R.sup.5能够与氮原子一起形成5-至6-成员杂环,或表示式的氧化二氮杂环残基##STR2##其中R.sup.6表示氢、低烷基或环烷基,是有价值的药物。