supported by the National Natural Science Foundation of China(No.30560177);the Natural Science Foundation of Jilin Province of China(No.20060567).
In an attempt to search for more potent positive inotropic agents, a series of 1-(benzylamino)-3-(4,5-dihydro[ 1,2,4]trizaolo[4,3- a]quinolin-7-yloxy)propan-2-ol derivatives was synthesized in four steps using 6-h...