Compounds of the formula ##STR1## in which A is lower alkyl, or a substituted or unsubstituted phenyl, thienyl, furyl, indolyl or thiaindolyl radical, R, X.sub.4 and X.sub.5 are hydrogen or lower alkyl, Y is hydrogen, hydroxy, etherified hydroxy, substituted amino, or N-attached heterocyclyl, X.sub.0 is O or OCH.sub.2 CH.sub.2 O, R' represents hydrogen, lower alkyl or acetyl; and acid-addition salts thereof, are novel and useful in pharmacy as hypolipaemiant, hypocholesterolaemiant and cholagogic agents or in the preparation of such agents.
分子式为##STR1##的化合物,其中A为较低的烷基,或取代或未取代的苯基,
噻吩基,
呋喃基,
吲哚基或噻
吲哚基基团,R,X.sub.4和X.sub.5为氢或较低的烷基,Y为氢,羟基,醚化的羟基,取代的
氨基或N-附加的杂环基,X.sub.0为O或OCH.sub.2 CH.sub.2 O,R'代表氢,较低的烷基或乙酰基;和其酸加成盐,在药学中作为降低血脂,降低
胆固醇和胆汁排泄剂或制备此类剂的有用新型化合物。