反应详情

3-(5-methyl-1,2,4-oxadiazol-3-yl)-4,5-dihydro-4-methyl-5-oxo-6-trifluoromethyl-imidazo(1,5-a)quinazoline, M.p. 251.5°-251.9° C., by reaction between 3-methyl-5-trifluoromethyl 1,2,3,4-tetrahydro-2,4-dioxo-quinazoline and 5-methyl-3-isocyanomethyl-1,2,4-oxadiazole.