921603-47-6
4-methoxy-5-methyl-6-oxopyran-2-carbaldehyde
+
74-88-4
甲基碘
→
~64%
921603-46-5
6-(2-iodoethenyl)-4-methoxy-3-methylpyran-2-one
34818-18-3
4-methoxy-3,6-dimethyl-2H-pyran-2-one