Article ID Journal Published Year Pages File Type
5177202 Phytochemistry Letters 2013 5 Pages PDF
Abstract
► Five benzofuran derivatives were isolated from the lichen Leprocaulon microscopicum. ► Structures have been elucidated by 2D NMR and EI-MS analysis. ► The new 9-O-methylplacodiolic acid has been identified in keto-enol equilibrium. ► (−)-Usnic acid shows moderate anti-proliferative activity against HT-29 cells.
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Physical Sciences and Engineering Chemistry Organic Chemistry
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