SAPELENIN E AND F: NEW ACYCLIC TRITERPENOIDS FROM THE STEM BARK OF ENTANDROPHRAGMA CYLINDRICUM

D. Ngnokam*; J.M. Nuzillard; C. Bliard

doi:10.4314/bcse.v19i2.21128

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Published:

Nov 22, 2005

DOI:

10.4314/bcse.v19i2.21128

Keywords:

<i>Entandrophragma cylindricum</i> Sapelenin Meliaceae Acyclic triterpenoids

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Vol. 19 No. 2 (2005)

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Articles

D. Ngnokam*

Faculty of Science, Department of Chemistry, University of Dschang, P.O. Box 67, Dschang, Cameroon

J.M. Nuzillard

Laboratoire de Pharmacognosie, UMR. 6013 B.P. 1039, 51097 Reims Cedex 2, France

C. Bliard

Laboratoire de Pharmacognosie, UMR. 6013 B.P. 1039, 51097 Reims Cedex 2, France

Abstract

New acyclic triterpenoids, sapelenin E (1) and F (2) were isolated from the stem bark of Entandrophragma cylindricum. Their full structure including absolute configuration in sapelenin E (1) were determine from spectroscopic data and by chemical transformation.

KEY WORDS: Entandrophragma cylindricum, Sapelenin, Meliaceae, Acyclic triterpenoids

Bull. Chem. Soc. Ethiop. 2005, 19(2), 227-231.

Bulletin of the Chemical Society of Ethiopia
Journal / Bulletin of the Chemical Society of Ethiopia / Vol. 19 No. 2 (2005) / Articles

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DOI:

Keywords:

<b>SAPELENIN E AND F: NEW ACYCLIC TRITERPENOIDS FROM THE STEM BARK OF <i>ENTANDROPHRAGMA CYLINDRICUM</i></b>

D. Ngnokam*

J.M. Nuzillard

C. Bliard

Abstract

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D. Ngnokam*

J.M. Nuzillard

C. Bliard

Abstract

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