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Structure and Dynamic of Three Indole Alkaloids from the Campylospermum Genus (Ochnaceae)

Bartholomeusz, Trixie Ann
Bikobo, Dominique Ngono
Pegnyemb, Dieudonné Emmanuel
Published in Helvetica Chimica Acta. 2013, vol. 96, no. 7, p. 1298-1304
Abstract A new indole alkaloid, calanthumindole (4), and three known biflavonoids, amentoflavone, sequoiaflavone, and podoscarpusflavone B, were isolated from Campylospermum calanthum (Ochnaceae). Calanthumindole is a new indole alkaloid of the serotobenine family characterized by the presence of a C[DOUBLE BOND]C bond between atoms C(7′) and C(8′) of the furan ring. This is the first compound to have a fully unsaturated furan ring among the members of this family. The combination of NMR and DFT allowed the determination and comparison of the 3D structures and relevant conformational characteristics of serotobenine (1), flavumindole (2), and calanthumindole (4).
Keywords Campylospermum calanthumCalanthumindoleIndole alkaloidsAlkaloids
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Other version: http://doi.wiley.com/10.1002/hlca.201200327
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BAYIHA BA NJOCK, Gaetan et al. Structure and Dynamic of Three Indole Alkaloids from the Campylospermum Genus (Ochnaceae). In: Helvetica Chimica Acta, 2013, vol. 96, n° 7, p. 1298-1304. https://archive-ouverte.unige.ch/unige:28929

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Deposited on : 2013-07-17

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