(1S,11S,15S)-15-bromo-1-hydroxy-4,5,7-trimethoxy-12,12-dimethyl-6-propan-2-yltricyclo[9.4.0.03,8]pentadeca-3(8),4,6-trien-9-one 在
偶氮二异丁腈 、
三正丁基氢锡 作用下,
以100%的产率得到(4aRS,11aRS)-4a-hydroxy-8-isopropyl-6,7,9-trimethoxy-1,1-dimethyl-1,2,3,4,4a,5,11,11a-octahydrodibenzo[a,d]cyclohepten-10-one