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ECB-ART-46810
Nat Prod Rep 2019 May 22;365:769-787. doi: 10.1039/c8np00087e.
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Chemical synthesis of marine saponins.

Xiao G , Shao X , Zhu D , Yu B .


Abstract
Covering: 1989-2017 Saponins are characteristic metabolites of starfish and sea cucumbers, and occasionally are also found in sponges, soft coral, and small fish. These steroid or triterpenoid glycosides often show remarkable biological and pharmacological activities, such as antifungal, antifouling, shark repellent, antitumor and anti-inflammatory activities. Over one thousand marine saponins have been characterized; the majority of them can be categorized into three major structural types, i.e., asterosaponins, polyhydroxysteroid glycosides, and holostane glycosides. Thus far, only 12 marine saponins have been synthesized; those representing the major types were successfully synthesized recently. The syntheses involve preparation of the aglycones from the terrestrial steroid or triterpene materials, installation of the carbohydrate units, and manipulation of the protecting groups. Herein, we provide a comprehensive review on these syntheses.

PubMed ID: 30525166
Article link: Nat Prod Rep


Genes referenced: LOC100887844 LOC752814