106-95-6
3-溴丙烯
+
1099-45-2
乙氧甲酰基亚甲基三苯基膦
→
~94%
110189-66-7
(1-ethoxy-1-oxopent-4-en-2-yl)-triphenylphosphanium
110189-81-6
2-prop-2-enylbenzo[f]chromen-3-one
26480-90-0
ethyl 2-(triphenyl-λ5-phosphanylidene)pent-4-enoate