N-hydroxy-2-(3-{1-[3-(5-methoxy-2-methyl-phenoxy)-4-methyl-pentyl]-piperidin-4-yl}-2-oxo-2,3-dihydro-benzimidazol-1-yl)-acetamidine hydrochloride 、
原甲酸三乙酯 在
三氟化硼乙醚 作用下,
反应 0.5h,
生成
1-[1-[3-(5-Methoxy-2-methylphenoxy)-4-methylpentyl]piperidin-4-yl]-3-(1,2,4-oxadiazol-3-ylmethyl)benzimidazol-2-one