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Journal article
Anti-HIV Ermiasolides from Croton megalocarpus.
In recent years, elucidation of novel anti-HIV bioactive compounds from natural products is gaining importance rapidly, not only from the research and publications, but also from controlled clinical studies. Here we report three new anti-HIV eudesmane-type sesquiterpenes, 5β-Hydroxy-8α-methoxy eudesm-7(11)-en-12,8-olide (1), 5β,8α-Dihydroxy eudesm-7(11)-en-12,8-olide (2) and 5β-Hydroxy-8H-β-eudesm-7(11)-en-12,8-olide (3). These are trivially named...Terefe, Ermias Mergia ; Okalebo, Faith Apolot ; Derese, Solomon ; Langat, Moses K. ; Mas-Claret, Eduard …
Ermiasolides, Cytotoxicity, Anti-HIV activity, HIV-1, and Croton megalocarpus
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Journal article
The phytochemical investigation of five African Croton species: Croton oligandrus, Croton megalocarpus, Croton menyharthii, Croton rivularis and Croton megalobotrys.
The chemistry of five African Croton taxa, Croton oligandrus Pierre ex Hutch., Croton megalocarpus Hutch., Croton menyharthii Pax, Croton rivularis Mull.Arg. and Croton megalobotrys Mull.Arg. is described. The undescribed ent-19-hydroxyisopimara-8(9),15-dien-7-one and ent-isopimara-7(8),15-dien-16,19-diol were isolated from the fruits of C. oligandrus, ent-isopimara-7(8),15-dien-19-yl octadecanoate was obtained from both the fruits and leaves,...