Obscurine: a new cyclostachine acid derivative from Beilschmiedia obscura.
From the methylene chloride extract of the stem bark of Beilschmiedia obscura, a new cyclostachine derivative, obscurine (1), has been isolated, together with six known compounds. The structure of compound 1 was established by spectroscopic methods, including 1- and 2-dimensional NMR techniques.
Department of Chemistry, Higher Teachers' Training College, University of Yaoundé 1, P.O. Box 47, Yaoundé, Cameroon.
Bruno Ndjakou
BN
Lenta
Jean Rodolphe
JR
Chouna
Pepin Alango
PA
Nkeng-Efouet
Samuel Fon
SF
Kimbu
Etienne
E
Tsamo
Norbert
N
Sewald
D000470:Alkaloids / Q000737:chemistry / Q000302:isolation & purification*; D019770:Lauraceae / Q000737:chemistry*; D015394:Molecular Structure; D024301:Plant Bark / Q000737:chemistry
D000470:Alkaloids; C569883:obscurine