溴甲苯 、
(3R,8aR)-5-oxo-3,8a-diphenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine 在
lithium hexamethyldisilazane 作用下,
以
四氢呋喃 为溶剂,
反应 3.0h,
生成
(3R,6S,8aR)-6-benzyl-5-oxo-3,8a-diphenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine 、 (3R,6R,8aR)-6-benzyl-5-oxo-3,8a-diphenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine 、 (3R,8aR)-6,6-dibenzyl-5-oxo-3,8a-diphenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine