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以环戊二烯为原料,先合成了环戊-2-烯酮(1),(1)经过Michael加成反应得到3-酮-环戊基乙酸甲酯(4)。再经过Aldol缩合反应和催化氢化,得到二氢茉莉酮酸甲酯和二氢新茉莉酮酸甲酯。
Cyclopentadiene was used as the starting material to synthesize cyclopent-2-enone (1). (1) Methyl 3-keto-cyclopentyl acetate (4) was obtained through Michael addition reaction. After Aldol condensation reaction and catalytic hydrogenation, methyl dihydrojasmonate and methyl dihydro dihydro jasmonate were obtained.