(6R,1'R)-N-(1'-methylphenylmethyl)-3-(4-methoxyphenyl)-6-phenyl-2,3,5,6-tetrahydro-4H-1,4-oxazin-2-one 、
碘甲烷 在
potassium tert-butylate 作用下,
以
四氢呋喃 为溶剂,
反应 1.0h,
以1.13 g的产率得到(3R,6R,1'R)-N-(1'-methylphenylmethyl)-3-(4-methoxyphenyl)-3-methyl-6-phenyl-2,3,5,6-tetrahydro-4H-1,4-oxazin-2-one