66274-27-9
5-hydroxy-4-oxopentanoic acid methyl ester
→
~67%
15925-30-1
5-hydroxy-4-oxopentanoic acid
167645-49-0
~66%
95016-85-6
5-hydroxy-5-(hydroxymethyl)furan-2-one
~64%
186581-53-3
重氮甲烷
+
14794-31-1
丁二酸单乙酯酰氯
123-76-2
乙酰丙酸
53856-93-2
methyl 5-bromo-4-oxopentanoate