(3R,8aR)-8a-[3-(tert-butyldimethylsilyl)propyl]-5-oxo-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine 、
碘乙烷 在
lithium hexamethyldisilazane 作用下,
以
四氢呋喃 为溶剂,
反应 3.0h,
生成 (3R,6R,8aR)-8a-[3-(tert-butyldimethylsilyl)propyl]-6-ethyl-5-oxo-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine 、 (3R,6S,8aR)-8a-[3-(tert-butyldimethylsilyl)propyl]-6-ethyl-5-oxo-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine 、 (3R,8aR)-8a-[3-(tert-butyldimethylsilyl)propyl]-6,6-diethyl-5-oxo-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine