氰胺 、
2-amino-hept-6-ynoic acid methyl ester hydrochloride 以to produce 4-Pent-4-ynyl-1H-imidazol-2-ylamine hydrochloride (1.75 g, 90%) as a pale oil (Olofson et al., Journal of Organic Chemistry 1997, 62, (23), 7918-7919)的产率得到4-(pent-4-ynyl)-1H-imidazol-2-ylamine hydrochloride