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Iridoid glucoside, (3R)-oct-1-en-3-ol glycosides, and phenylethanoid from the aerial parts of Caryopteris incana

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Abstract

Eleven compounds of interest were isolated from the aerial parts of Caryopteris incana, specifically a new acyl derivative (3) of 8-O-acetylharpagide, two new (3R)-oct-1-en-3-ol glycosides (5, 6), and 6-O-caffeoylphlinoside A (11) along with seven known compounds, 8-O-acetylharpagide (1), 6′-O-p-coumaroyl-8-O-acetylharpagide (2), (3R)-oct-1-en-3-ol (matsutake alcohol) O-α-l-arabinopyranosyl-(1″ → 6′)-O-β-d-glucopyranoside (4), apigenin 7-O-neohesperidinoside (7), 6′-O-caffeoylarbutin (8), and two phenylethanoids, leucosceptoside A (9) and phlinoside A (10). This paper deals with structural elucidation of the new compounds.

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Acknowledgments

The authors are grateful for access to the superconducting NMR instrument in the Analytical Center of Molecular Medicine of the Graduate School of Biomedical Sciences, Hiroshima University, and an Applied Biosystems QSTAR XL system ESI (NanoSpray)-TOF-MS at the Analytical Center of Molecular Medicine and the Analysis Center of Life Science, respectively, of the Hiroshima University Faculty of Medicine.

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  1. Department of Pharmacognosy, Graduate School of Biomedical Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan

    Da Peng Zhao, Katsuyoshi Matsunami & Hideaki Otsuka

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  1. Da Peng Zhao
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  2. Katsuyoshi Matsunami
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  3. Hideaki Otsuka
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Correspondence to Hideaki Otsuka.

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Zhao, D.P., Matsunami, K. & Otsuka, H. Iridoid glucoside, (3R)-oct-1-en-3-ol glycosides, and phenylethanoid from the aerial parts of Caryopteris incana . J Nat Med 63, 241–247 (2009). https://doi.org/10.1007/s11418-009-0317-9

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  • DOI: https://doi.org/10.1007/s11418-009-0317-9

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