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Chemical Constituents from Stem Bark and Roots of Clausena anisata
Department of Chemistry, University of Douala, Cameroon, P.O. Box 24157, Douala, Cameroon
Department of Chemistry, Dalhousie University, 6274 Coburg Road, P.O. Box 15000, Halifax, NS B3H 4R2, Canada
Department of Organic Chemistry, University of Yaounde I, Cameroon, P.O. Box 812, Yaounde, Cameroon
* Author to whom correspondence should be addressed.
Received: 11 October 2012; in revised form: 14 November 2012 / Accepted: 15 November 2012 / Published: 20 November 2012
Abstract: Phytochemical investigations on the stem bark and roots of the tropical shrub Clausena anisata led to the isolation and characterization three carbazole alkaloids: girinimbine, murrayamine-A and ekeberginine; two peptide derivatives: aurantiamide acetate and N-benzoyl-l-phenylalaninyl-N-benzoyl-l-phenylalaninate; and a mixture of two phytosterols: sitosterol and stigmasterol. The structures of these compounds were established by nuclear magnetic resonance (1H-NMR, 13C-NMR, COSY, HSQC, HMQC, HMBC and NOESY) spectroscopy and electrospray ionization mass spectrometry (MS).
Keywords: Rutaceae; Clausena anisata; stem bark and roots; carbazole alkaloids; peptide derivative; phytosterol
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Songue, J.L.; Kouam; Dongo, E.; Mpondo, T.N.; White, R.L. Chemical Constituents from Stem Bark and Roots of Clausena anisata. Molecules 2012, 17, 13673-13686.
Songue JL, Kouam, Dongo E, Mpondo TN, White RL. Chemical Constituents from Stem Bark and Roots of Clausena anisata. Molecules. 2012; 17(11):13673-13686.
Songue, Jules L.; Kouam; Dongo, Etienne; Mpondo, Theophile N.; White, Robert L. 2012. "Chemical Constituents from Stem Bark and Roots of Clausena anisata." Molecules 17, no. 11: 13673-13686.