(E)-ethyl 2-acetyl-5,10-dimethylundeca-4,9-dienoate 在
copper(II) acetate monohydrate 、
manganese(III) triacetate dihydrate 作用下,
以
乙醇 为溶剂,
反应 5.0h,
生成 (5S)-ethyl 5-hydroxy-1,1,5-trimethyl-4a,5,6,7,8,8a-hexahydro-1H-isochromene-3-carboxylate 、 (E)-ethyl 5-hydroxy-5,10-dimethyl-2-oxoundeca-3,9-dienoate