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2024
Journal article
Cytotoxic ent-abietane diterpenoids, banyangmbolides A-E, from the leaves of Suregada occidentalis.
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2023
Journal article
Coumarinolignoid and Indole Alkaloids from the Roots of the Hybrid Plant Citrus x paradisi Macfad. (Rutaceae).
A phytochemical investigation of the roots of Citrus x paradisi Macfad. (Rutaceae) led to the isolation of two new compounds, namely 1-formyl-5-hydroxy-N-methylindolin-1-ium (1) and decyloxycleomiscosin D (2), along with ten known compounds: 1,1-dimethylpyrrolidin-1-ium-2-carboxylate (3), furan-2,3-diol (4), 5-methoxyseselin (5), umbelliferone (6), scopoletin (7), citracridone I (8), citracridone II (9), citracridone III... -
2022
Journal article
Chemical Constituents of the Stem Bark of the Hybrid Plant Citrus × paradisi Macfad. (Rutaceae).
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2022
Journal article
13-amino derivatives of dehydrocostus lactone display greatly enhanced selective toxicity against breast cancer cells and improved binding energies to protein kinases in silico.
The biological activities of dehydrocostus lactone and its analogues are suggested to be mediated by the lactone ring and , -methylene- -lactone. However, few studies exist on the structure-activity relationship of 13-amino derivatives of dehydrocostus latone. In this study new 13-amino derivatives of dehydrocostus lactone ( ) were synthesized through...Kemboi, Douglas ; Langat, Moses K. ; Siwe-Noundou, Xavier ; Tshiwawa, Tendamudzimu ; Krause, Rui W. M. …
Protons, Lactones, Cytotoxicity, Breast cancer, Amines, Solubility, Diet, and Toxicity
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2022
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