4,6-dichloro-N-(prop-2-yn-1-yl)-1,3,5-triazin-2-amine 、
环丁基胺 、
6-chloro-N-isopropyl-N'-prop-2-ynyl-[1,3,5]triazine-2,4-diamine 以to yield 6-chloro-N-cyclobutyl-N′-prop-2-ynyl-[1,3,5]triazine-2,4-diamine (68) in quantitative yield的产率得到6-chloro-N-cyclobutyl-N'-prop-2-ynyl-[1,3,5]triazine-2,4-diamine