11-Bromo-3-hydroxy-1-azapentacyclo[11.7.1.02,7.09,21.015,20]henicosa-2(7),3,5,9,11,13(21),15,17,19-nonaene-8,14-dione 在
4-二甲氨基吡啶 、
四(三苯基膦)钯 作用下,
以
二氯甲烷 、
甲苯 为溶剂,
反应 24.0h,
生成 [11-[2-[8,14-dioxo-3-[(1S,4R)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carbonyl]oxy-1-azapentacyclo[11.7.1.02,7.09,21.015,20]henicosa-2(7),3,5,9,11,13(21),15,17,19-nonaen-11-yl]ethynyl]-8,14-dioxo-1-azapentacyclo[11.7.1.02,7.09,21.015,20]henicosa-2(7),3,5,9,11,13(21),15,17,19-nonaen-3-yl] (1S,4R)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxylate