Letenketals A and B, two novel spirocyclic polyketides from a marine crab-derived Letendraea sp. fungus
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DOI: 10.1016/j.phytol.2019.01.033
Abstract: Abstract Two novel spiroketals, named as letenketals A and B, had been isolated from the cultural broth of marine fungal Letendraea sp. Two compounds were stereoisomers and contained the new carbon skeleton including benzodihydropyran ring… read more here.
Keywords: two novel; polyketides marine; letenketals two; spirocyclic polyketides ... See more keywords
A novel spirocyclic triterpenoid and a new taraxerane triterpenoid from Teucrium viscidum
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DOI: 10.1039/c6qo00460a
Abstract: Two new triterpenoids, teuviscins A (1) and B (2), were isolated from the whole plants of Teucrium viscidum. Compound 1 possessed a rare 7(8→9)abeo-9R-D:C-friedo-B′:A′-neo-gammacerane skeleton, and compound 2 is a taraxerane triterpene acid. Their structures… read more here.
Keywords: teucrium; taraxerane; novel spirocyclic; triterpenoid new ... See more keywords