在
三氟乙酸 作用下,
以
甲苯 为溶剂,
反应 6.0h,
生成 (1S,16R,23R,27S)-25-oxaheptacyclo[14.6.5.02,15.04,13.06,11.017,22.023,27]heptacosa-2,4,6,8,10,12,14,17,19,21-decaene-24,26-dione 、
(1R,16S,23R,27S)-25-oxaheptacyclo[14.6.5.02,15.04,13.06,11.017,22.023,27]heptacosa-2,4,6,8,10,12,14,17,19,21-decaene-24,26-dione