(1S,4S,7S,8S,9R)-7,11-Bis-benzoyloxy-2-hydroxy-4,8-dimethyl-3,10-dioxa-tricyclo[6.2.1.04,9]undecane-9-carboxylic acid methyl ester 在
jones' reagent 作用下,
以
丙酮 为溶剂,
以46 mg的产率得到(1S,4S,7S,8S,9R)-7,11-Bis-benzoyloxy-4,8-dimethyl-2-oxo-3,10-dioxa-tricyclo[6.2.1.0
4,9]undecane-9-carboxylic acid methyl ester