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以香草醛为原料合成相应的β-酮酸酯,在乙醇钠/碘的作用下实现二聚偶联反应得到1,4-二酮化合物,然后在酸催化下合成出呋喃型化合物,最终得到天然木脂素(7).
Synthesis of the corresponding β-keto acid ester from vanillin and dimerization coupling reaction under sodium ethylate / iodine to obtain 1,4-diketone compound followed by synthesis of a furan type compound under acid catalysis finally obtained Natural lignan (7).