An enantioselective and regioselective total synthesis approach to chiral 1,4-benzodioxane lignans(2R,3R)- and (2S,3S)-......

以3-甲氧基-4-羟基苯甲醛和对羟基苯甲醛为起始原料，分别经过溴代和水解两步反应制得3-甲氧基-4,5-二羟基苯甲醛；经过诺文葛耳反应、......

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1,4-苯并二氧六环类木脂素因其独特的杀虫、保肝、抗氧化、抗肿瘤等生理活性在农业及医药行业具有广阔的应用前景。目前1,4-苯并二......