23012-17-1
2-甲基恶唑-4-羧酸
+
540-88-5
醋酸叔丁酯
→
~79%
86838-74-6
tert-butyl 2-methyl-1,3-oxazole-4-carboxylate
86838-75-7
4-t-butoxycarbonyl-2-methyl-5-trimethylsilyl-1,3-oxazole