Abstract
This work deals with the phytochemical study of the stem bark of T. didymostemon, a plant used in the Gabonese traditional medicine in the treatment of various ailments. A chromatographic separation of the dichloromethane-methanol (1:1) extract of this plant part led to the isolation of four compounds, that were identified respectively to 1-hentriacontanol 1, stigmasta-5,24,28-trien-3-ol 2, stigmasta-5,24,28-trien-3-O-β-D-glucopyranoside 3 and tithoniamide B 4. Their structures were elucidated on the basis of common spectroscopic analysis techniques and by comparison of their spectral and physical data with those from the literature. From a chemotaxonomic point of view, these compounds are described from T. didymostemon for the first time.
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