Prenylated Anthraquinones and Other Constituents from the Seeds of Vismia laurentii

Hippolyte Kamdem Wabo; Simeon Fogue Kouam; Karsten Krohn; Hidayat Hussain; Michel Feussi Tala; Pierre Tane; Teunis van Ree; Qunxiu Hu; Barbara Schulz

doi:10.1248/cpb.55.1640

Notes

Prenylated Anthraquinones and Other Constituents from the Seeds of Vismia laurentii

Hippolyte Kamdem Wabo, Simeon Fogue Kouam, Karsten Krohn, Hidayat Hussain, Michel Feussi Tala, Pierre Tane, Teunis van Ree, Qunxiu Hu, Barbara Schulz

Author information

Hippolyte Kamdem Wabo
Department of Chemistry, University of Dschang
Simeon Fogue Kouam
Department of Chemistry, University of Paderborn
Department of Chemistry, Higher Teachers' Training College, University of Yaounde 1
Karsten Krohn
Department of Chemistry, University of Paderborn
Hidayat Hussain
Department of Chemistry, University of Paderborn
Michel Feussi Tala
Department of Chemistry, University of Dschang
Pierre Tane
Department of Chemistry, University of Dschang
Teunis van Ree
Department of Chemistry, University of Venda
Qunxiu Hu
Institute of Microbiology, Technical University of Braunschweig
Barbara Schulz
Institute of Microbiology, Technical University of Braunschweig

Keywords: Vismia laurentii, Guttiferae, prenylated anthraquinone, laurenquinone A, laurenquinone B, antimicrobial agent

JOURNAL FREE ACCESS

2007 Volume 55 Issue 11 Pages 1640-1642

DOI https://doi.org/10.1248/cpb.55.1640

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Abstract

Two new prenylated anthraquinones, laurenquinone A (1) and B (2) were isolated from the seeds of Vismia laurentii together with four known compounds; xanthone V₁ (3), physcion (4), 3-geranyloxyemodin anthrone (5) and friedelin (6). The structures of the new metabolites were determined with the help of spectroscopic data including extensive 2D-NMR spectroscopy. The known compounds were identified by comparison of their physical and spectroscopic data with those reported in the literature. Compounds 1, 4 and 5 exhibited moderate algicidal activity against Chlorella fusca and 3 showed moderate activity against the gram-positive bacterium Bacillus megaterium.

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