Xanchryones I-N, Six Unusual Phloroglucinol-Amino Acid Hybrids from the Leaves of Xanthostemon chrysanthus.
Chemistry & biodiversity(2023)
摘要
Six new phloroglucinol derivatives, xanchryones I-N (1-6), were isolated from the leaves of Xanthostemon chrysanthus. Compounds 1-6 are unusual phloroglucinol-amino acid hybrids constructed through C -N and O-C ' bonds forming a peculiar oxazole ring. The structures and absolute configurations of compounds 1-6 were determined by MS, NMR, and single-crystal X-ray diffraction. Moreover, the anti-inflammatory and antibacterial activities of these compounds were evaluated.
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关键词
Xanthostemon chrysanthus,phloroglucinol derivatives,phloroglucinol-amino acid hybrids
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