(1S,2R,3S,4R)-3-Benzyloxymethyl-1-methoxymethoxy-5-oxo-bicyclo[2.2.2]octane-2-carboxylic acid methyl ester 在
L-Selectride 作用下,
以
四氢呋喃 为溶剂,
以95%的产率得到(1S,2R,3S,4R,5R)-3-Benzyloxymethyl-5-hydroxy-1-methoxymethoxy-bicyclo[2.2.2]octane-2-carboxylic acid methyl ester