3-[3-[(15-Oxo-3-tetracyclo[10.2.1.05,14.08,13]pentadeca-1(14),2,4,6,8(13),9,11-heptaenyl)oxy]propoxy]tetracyclo[10.2.1.05,14.08,13]pentadeca-1(14),2,4,6,8(13),9,11-heptaen-15-one 在
hexacarbonyl molybdenum 、
三氟化硼乙醚 作用下,
以
氯苯 为溶剂,
生成 (2Z)-17,21-dioxanonacyclo[20.11.1.14,16.02,31.03,7.05,14.06,11.024,33.027,32]pentatriaconta-1(33),2,4,6(11),7,9,12,14,16(35),22(34),23,25,27(32),28,30-pentadecaene