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Article
Open AccessNew alkaloids from the fruiting bodies of Ganoderma sinense
Four new alkaloids, sinensines B–E (1–4), together with one known alkaloid, sinensine (5), were isolated from the fruiting bodies of Ganoderma sinense. Their structures were elucidated on the basis of 1D and 2D N...
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Article
Preparation, Structure, and Potent Antifouling Activity of Sclerotioramine Derivatives
A series of 30 sclerotioramine derivatives (2–31) of the natural compound, (+)-sclerotiorin (1), has been successfully semi-synthesized by a one-step reaction with high yields (up to 80%). The structures of these...
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Article
Open AccessTargeted isolation of antitubercular cycloheptapeptides and an unusual pyrroloindoline-containing new analog, asperpyrroindotide A, using LC–MS/MS-based molecular networking
Further insights on the secondary metabolites of a soft coral-derived fungus Aspergillus versicolor under the guidance of MS/MS-based molecular networking led to the isolation of seven known cycloheptapeptides, n...