1-O-tert-butyl 2-O-[4-[8,16-dimethoxy-7,17-bis[[(2S)-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidine-2-carbonyl]oxy]-3-oxo-4-oxa-1-azapentacyclo[11.8.0.02,11.05,10.014,19]henicosa-2(11),5,7,9,12,14,16,18-octaen-12-yl]-2-methoxyphenyl] (2S)-pyrrolidine-1,2-dicarboxylate 在
2,3-二氯-5,6-二氰基-1,4-苯醌 作用下,
以
四氯化碳 为溶剂,
反应 17.0h,
以67%的产率得到1-O-tert-butyl 2-O-[4-[8,16-dimethoxy-7,17-bis[[(2S)-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidine-2-carbonyl]oxy]-3-oxo-4-oxa-1-azapentacyclo[11.8.0.02,11.05,10.014,19]henicosa-2(11),5,7,9,12,14,16,18,20-nonaen-12-yl]-2-methoxyphenyl] (2S)-pyrrolidine-1,2-dicarboxylate