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[摘要]:Duboscic acid (1), a triterpenoid with a unique carbon backbone, was isolated from Duboscia macrocarpa Bocq. It is the first member of a new class of triterpenoids, for which the name "dubosane" is proposed. Duboscic acid has a potent a-glucosidase inhibition, and its structure was unambiguously deduced by a single-crystal X-ray diffraction study. |
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