32807-28-6
4-氯乙酰乙酸甲酯
+
603-35-0
三苯基膦
→
~72%
98815-59-9
methyl 3-oxo-4-(triphenyl-λ5-phosphanylidene)butanoate
4748-86-1
6-methylcyclohexa-1,3-diene-1-carbaldehyde
78073-67-3
methyl 6-methyl-2-oxocyclohex-3-ene-1-carboxylate
111949-25-8
4E,6E methyl 3-oxoocta-4,6-dienoate