110104-60-4
(E)4-氯-3-甲氧基-2-丁稀酸甲酯
→
~92%
69778-83-2
4-甲氧基-3-吡咯啉-2-酮
35471-22-8
methyl 4-bromo-3-methoxy-2-butenoate
~73%
35471-25-1
ethyl (E)-4-bromo-3-methoxy-2-butenoate
~67%
1116-51-4
2-丁烯酸-4-溴代-3-甲氧基乙酯
186581-53-3
重氮甲烷
+
37772-89-7
2,4-吡咯烷二酮
~53%
92233-25-5
5-methoxy-1,2-dihydropyrrol-3-one
37974-04-2
methyl β-methoxy-γ-bromocrotonate
4525-28-4
(E)-3-Methoxy-2-butenoic acid methyl ester
155088-16-7
(E)-ethyl 4-azido-3-methoxybut-2-enoate
954409-02-0