Chemistl 3" ol'Heterocyclic Compounds. Vol. 35. No. I0. 1999 ... NN Kolos, VD Orlov, BV Paponov, and OV Shishkin ... 7-A mino-2, 4,5-triaIyl-3, 4-dihydroimidazo[1,5-bJpyHdazines have been synthesized by reacting 4-aiyl- 1,2- diaminoimidazoles with 1,3-dialTlpropenones. The structure of one q/" the products was confirmed by X-ray structural analysis. ... As a continuation of investigations on imidazoazine systems [I] possessing high and multiple physiological ...