11-methyl-7,8,11,12,13,14,15,16-octahydro-6H-10-oxa-benzocyclotetradecene-5,9-dione 在
(-)-diisopinocamphenylborane chloride 作用下,
以
四氢呋喃 、
乙二醇二甲醚 为溶剂,
反应 18.0h,
以78%的产率得到5-(S)-hydroxy-11-(R)-methyl-5,6,7,8,11,12,13,14,15,16-decahydro-10-oxabenzocyclotetradecen-9-one