Compounds of formula
wherein R is hydrogen or alkyl Alk is alkylene m is 0 or 1; and n is 4 or 5; are prepared by the reaction of a 6-halo-7,8.9.10-tatrahydro-1,2,4-triazolo(3.4-a)phthalazine with an sppropriate (cyclic aminol- alkylamine. The compounds are useful as bronchodilators.
式中的化合物
其中 R 为氢或烷基 Alk 为亚烷基 m 为 0 或 1;n 为 4 或 5;由 6-卤代-7,8.9.10-四氢-
1,2,4-三唑并(3.4-a)
酞嗪与适当的(环状
氨基醇-烷基胺)反应制备。这些化合物可用作支气管扩张剂。