2-羟基-3-甲基-2-环戊烯-1-酮 1. Then the intermediate was hydrolyzed to give the flavor compound 2-hydroxy-3-methylcyclopent-2-enone in 52. 以2-甲基呋喃为起始原料,经 Mannich 反应、重排反应开环与随后的缩合反应关环制得中间体2-二甲氨基-3-甲基-2-环戊烯-1-酮,再经水解反应合成得香料化...
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