(2R,4aR,7S,8R,8aR)-7-Benzoyloxy-2-phenyl-8-(2-trimethylsilanyl-ethoxymethoxy)-hexahydro-[1,3]dioxino[5,4-b]pyridine-5-carboxylic acid benzyl ester 在
四丁基氢氧化铵 作用下,
以
1,4-二氧六环 、
水 为溶剂,
以91%的产率得到(2R,4aR,7S,8R,8aR)-7-Hydroxy-2-phenyl-8-(2-trimethylsilanyl-ethoxymethoxy)-hexahydro-[1,3]dioxino[5,4-b]pyridine-5-carboxylic acid benzyl ester