111602-83-6
methyl 4-hydroxy-pent-2-ynoate
→
~75%
41726-06-1
methyl 4-oxopent-2-ynoate
70404-01-2
4-hydroxy-pent-2-ynoic acid
75-36-5
乙酰氯
+
922-67-8
丙炔酸甲酯
174173-53-6
1027497-73-9
methyl 4-(1-ethoxyethoxy)pent-2-ynoate