溴甲苯 、 (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 、 sodium hydride 作用下,
以
四氢呋喃 为溶剂,
反应 29.0h,
以38%的产率得到(3R,8S,8aS)-8-Benzyloxymethyl-8a-methyl-3-phenyl-hexahydro-oxazolo[3,2-a]pyridin-5-one