108-24-7
乙酸酐
+
90237-75-5
methyl 2-azido-3-methoxypropanoate
→
~73%
90237-83-5
methyl 2-(diacetylamino)-3-methoxyprop-2-enoate
36997-03-2
methyl 2-chloro-3-methoxypropanoate