Figure 4.
Synthesis of benzodioxane compound 1. Compound a, Coniferyl alcohol. Compound b, Ethyl 5-hydroxyferulate. Compound c, 3-[3-(4-Hydroxy-4-methoxyphenyl)-2-hydroxymethyl-8-methoxy-2,3-dihydro-benzo[1,4] dioxin-6-yl]-acrylic acid ethyl ester.
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