(1R,2S,5R,6R,9R,13S)-5-methyl-6-[(2R)-6-methylheptan-2-yl]pentacyclo[11.8.0.02,10.05,9.015,20]henicosa-10,15,17,19-tetraene-14,21-dione 在
氧气 、
1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以90%的产率得到(5R,6R,9R)-5-methyl-6-[(2R)-6-methylheptan-2-yl]pentacyclo[11.8.0.02,10.05,9.015,20]henicosa-1(13),2(10),11,15,17,19-hexaene-14,21-dione