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. 2019 Feb 22;82(2):324-329.
doi: 10.1021/acs.jnatprod.8b00754. Epub 2019 Jan 30.

Lycopodium Alkaloids: Lycoplatyrine A, an Unusual Lycodine-Piperidine Adduct from Lycopodium platyrhizoma and the Absolute Configurations of Lycoplanine D and Lycogladine H

Joanne Soon-Yee Yeap  1 , Kuan-Hon Lim  2 , Kien-Thai Yong  3 , Siew-Huah Lim  1 , Toh-Seok Kam  1 , Yun-Yee Low  1
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Lycopodium Alkaloids: Lycoplatyrine A, an Unusual Lycodine-Piperidine Adduct from Lycopodium platyrhizoma and the Absolute Configurations of Lycoplanine D and Lycogladine H

Joanne Soon-Yee Yeap et al. J Nat Prod. .

Abstract

Three new Lycopodium alkaloids comprising two lycodine-type alkaloids (1, 2) and one fawcettimine alkaloid (3), in addition to 16 known alkaloids, were isolated from Lycopodium platyrhizoma. The structures of these alkaloids were elucidated based on analysis of their NMR and MS data. Lycoplatyrine A (1) represents an unusual lycodine-piperidine adduct. The structures and absolute configurations of lycoplanine D (hydroxy-des- N-methyl-α-obscurine, 10) and lycogladine H (11) were confirmed by X-ray diffraction analysis.

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