Virgatolides A<b>–</b>C, Benzannulated Spiroketals from the Plant Endophytic Fungus <i>Pestalotiopsis virgatula</i>
收藏NIAID Data Ecosystem2026-03-07 收录
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Virgatolides A–C (1–3), unique metabolites with a 3′,4′,5′,6′-tetrahydrospiro[chroman-2,2′-pyran] core, were isolated from cultures of the plant endophytic fungus Pestalotiopsis virgatula. Compounds 1–3 possess two previously undescribed skeletons originating from a benzannulated 6,6-spiroketal and one (2 and 3) and two (1) γ-lactone units, respectively. The structure of 1 was secured by X-ray crystallography.
创建时间：
2016-02-23
