2-{5-bromo-6-oxo-4-[(1R,2R,3R,5S)-2,6,6-trimethylbicyclo[3.1.1]hept-3-ylamino]pyridazin-1(6H)-yl}-N-(pyridin-4-ylmethyl)ethanethioamide 在
iron(III) chloride 、
叠氮基三甲基硅烷 作用下,
以
二氯甲烷 为溶剂,
反应 17.0h,
以24%的产率得到4-bromo-2-{[1-(pyridin-4-ylmethyl)-1H-tetrazol-5-yl]methyl}-5-[(1R,2R,3R,5S)-2,6,6-trimethylbicyclo[3.1.1]hept-3-ylamino]pyridazin-3(2H)-one