4-benzyl-2-(4-methoxyphenyl)oxazol-5-yl (4-methoxyphenyl) carbonate 在
(S)-2,6-dimethoxy-4-(pyridin-4-yl)-4,5-dihydro-3H-dinaphtho[2,1-c:1',2'-e]azepine 作用下,
以
甲苯 为溶剂,
反应 12.0h,
生成
ethyl 4-benzyl-2-(4-methoxyphenyl)-5-oxo-4,5-dihydrooxazole-4-carboxylate 、 ethyl 4-benzyl-2-(4-methoxyphenyl)-5-oxo-4,5-dihydrooxazole-4-carboxylate