532-27-4
2-氯苯乙酮
→
~49%
1678-18-8
BENZOYLMETHYLTRIPHENYLPHOSPHONIUM CHLORIDE
98-88-4
苯甲酰氯
+
19493-09-5
methylidene triphenyl phosphorane
603-35-0
三苯基膦
146801-38-9
4,4,4-trifluoro-1,3-diphenylbut-2-en-1-one