(5R,6R,7R)-5-(4-Benzyloxycarbonyloxy-3,5-dimethoxy-phenyl)-7-hydroxymethyl-8-oxo-5,6,7,8-tetrahydro-naphtho[2,3-d][1,3]dioxole-6-carboxylic acid ethyl ester 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以85%的产率得到(5R,6R,7R,8R)-5-(4-Benzyloxycarbonyloxy-3,5-dimethoxy-phenyl)-8-hydroxy-7-hydroxymethyl-5,6,7,8-tetrahydro-naphtho[2,3-d][1,3]dioxole-6-carboxylic acid ethyl ester