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含有色满环(2H-1-苯骈吡喃-3,4-二氢)结构的天然产物有抗氧化,抗病毒,免疫,强壮神经等功能。合成这类中间体结构,很早就为人们所关注。早期根据生源合成理论,将异戊二烯和酚反应,在路易斯酸存在下合成出色满衍生物。此后在这方面作过许多工作。
Natural products with a chromophore (2H-1-benzopyran-3,4-dihydro) structure have antioxidant, antiviral, immune, and strong nerve functions. The synthesis of such intermediate structures has long been of concern to people. According to the theory of biogenic synthesis, isoprene and phenol were reacted at the early stage to synthesize full-color derivatives in the presence of Lewis acid. Much has been done in this regard.