Abstract
AbstractSpirobisnaphthalenes are a family of natural products containing two naphthalenes connected with spiroketal or dinaphthalene spiroether. This family of natural compounds has a wide range of biological activities and complex structures, and has attracted great attention from synthetic chemists in recent years. Hundreds of novel spirobisnaphthalenes have been identified from the first separation in 1989. Despite the slow pace of research in recent years, since the latest review in 2017, 30 new natural products have been isolated from the endolichenic and endophytic fungus, including Type A, B, D and E, a new special skeleton with a spiro quaternary carbon center, as well as significant breakthroughs are made in the total synthesis. Here, the last research advances in the isolation of new spirobisnaphthalenes, their activities, mode of action and the total synthesis of spirobisnaphthalenes in the last five years were afforded based on our research in this field in this review.
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