2-(4'-chloro-2'-oxospiro[furo[2,3-f][1,3]benzodioxole-7,3'-indol]-1'(2'H)-yl)-N'-[(cyclopropylcarbonyl)oxy]ethanimidamide 在
乙酸乙酯 、 hexanes 作用下,
以
吡啶 为溶剂,
反应 0.5h,
以to afford 4′-chloro-1′-[(5-cyclopropyl-1,2,4-oxadiazol-3-yl)methyl]spiro[furo[2,3-f][1,3]benzodioxole-7,3′-indol]-2′(1′H)-one (0.36 g, 16%) as a colorless solid的产率得到4'-chloro-1'-[(5-cyclopropyl-1,2,4-oxadiazol-3-yl)methyl]spiro[furo[2,3-f][1,3]benzodioxole-7,3'-indol]-2'(1'H)-one