申请人:John Wyeth and Brothers Limited
公开号:US04929625A1
公开(公告)日:1990-05-29
Novel ethers of formula ##STR1## their heteroaromatic N-oxides, and the pharmaceutically acceptable acid additions of the compounds of formula (I) and their N-oxides possess 5-HT.sub.3 -antagonistic activity. In the formula ##STR2## represents an optionally substituted heteroaryl group containing a hetero atom X and --B represents a saturated azabicyclic ring such as quinuclidyl or tropanyl.
式为##STR1##的新型醚类,它们的杂环芳香族N-氧化物以及式为(I)的化合物及其N-氧化物的药学可接受的酸加成物具有5-HT.sub.3-拮抗活性。在公式中,##STR2##代表一个可选取代的杂芳基团,其中包含一个杂原子X,--B代表一个饱和的氮杂双环环,例如喹诺啡基或曲普啡基。