(1R,2S,3R,4S)-3-Hydroxymethyl-1-methoxymethoxy-5-oxo-bicyclo[2.2.2]octane-2-carboxylic acid methyl ester 在
lithium aluminium tetrahydride 、 DL-10-camphorsulfonic acid 、
L-Selectride 、 sodium hydride 作用下,
以
四氢呋喃 为溶剂,
生成 (1R,2R,3R,4S,5S)-3-Benzyloxymethyl-2-hydroxymethyl-5-(tetrahydro-pyran-2-yloxy)-bicyclo[2.2.2]octan-1-ol