51-80-9
四甲基甲烷二胺
+
108-24-7
乙酸酐
116337-70-3
7-acetyl-2,2,4-trimethyl-1,4-benzoxazin-3-one
→
~55%
135420-35-8
2-(2,2,4-trimethyl-3-oxo-1,4-benzoxazine-7-carbonyl)prop-2-enyl acetate