14267-92-6
5-氯戊炔
+
105-45-3
乙酰乙酸甲酯
→
~76%
131190-10-8
methyl 2-acetylhept-6-ynoate
68275-03-6
pent-4-ynyl methanesulfonate
28077-72-7
苯,1,2,3-三溴-5-甲基-
77758-50-0
pent-4-ynyl 4-methylbenzenesulfonate