(1S,10S,11R,13S,15R)-15,16,16-trimethyl-3-methylidene-14-oxapentacyclo[9.4.1.01,10.04,9.013,15]hexadeca-4,6,8-trien-10-ol 在
三乙烯二胺 作用下,
以
乙腈 为溶剂,
以80%的产率得到(13S)-13-hydroxy-12,15,15-trimethyl-9-methylidenetricyclo[9.3.1.03,8]pentadeca-3,5,7,11-tetraen-2-one