在
劳森试剂 、
potassium phosphate 作用下,
以
甲苯 为溶剂,
反应 2.0h,
以18%的产率得到methyl (1R,2R,4S)-7-[(1R,2R,4S)-7-[(1R,2R,4S)-7-[(1R,2R,4S)-7-[(2-methylpropan-2-yl)oxycarbonyl]-7-azabicyclo[2.2.1]heptane-2-carbothioyl]-7-azabicyclo[2.2.1]heptane-2-carbothioyl]-7-azabicyclo[2.2.1]heptane-2-carbothioyl]-7-azabicyclo[2.2.1]heptane-2-carboxylate