83269-74-3
ethyl 7-methyl-3-oxo-2-(triphenyl-l5-phosphanylidene)oct-6-enoate
→
~78%
5636-65-7
5-甲基-4-己烯酸
+
791-28-6
三苯基氧化膦
108-55-4
戊二酸酐
+
917-64-6
magnesium,carbanide,iodide
+
60-29-7
乙醚
→
2610-95-9
6,6-dimethyloxan-2-one
+
5636-65-7
5-甲基-4-己烯酸