(3R,8R,8aS)-8a-Methyl-5-oxo-3-phenyl-hexahydro-oxazolo[3,2-a]pyridine-8-carboxylic acid methyl ester 在
lithium aluminium tetrahydride 、 8aS-Me-5-oxo-3R-Ph-hexahydro-oxazolo[3,2-a]pyridine-8S-COOMe 、
苯基溴化硒 、
lithium hexamethyldisilazane 作用下,
以
四氢呋喃 为溶剂,
反应 30.5h,
生成
(3R,8S,8aS)-8-Benzyloxymethyl-8a-methyl-3-phenyl-2,3,8,8a-tetrahydro-oxazolo[3,2-a]pyridin-5-one