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- W1995388614 abstract "A library of C-16 modified artemisinin analogs was prepared and their antimalarial as well as antileishmanial activities were evaluated. Synthesis of these compounds involved the conversion of artemisinin to its phenol derivatives 7 and 12, and subsequent parallel derivatization by introducing new chemical groups through ester, carbamate, sulfate, phosphate and isourea linkages. Comparison of in vitro antimalarial activities showed that C9-α artemisinin analogs (8a-f) are more potent than the corresponding C9-β diastereomers (9a-f); however, their antileishmanial activities were in the same range. Many of the 10-deoxoartemisinin analogs studied here showed promising antiparasitic activities. For example, compounds 13a-e are approximately three times more active against drug resistant W2 strain of P. falciparum, compared to artemisinin (IC50, ∼0.2 - 0.6 nM; cf. artemisinin = 1.6 nM). Further, a number of compounds in this series were notably leishmanicidal, with activities comparable to or better than pentamidine (e.g., 13g and 13j). Detailed in vivo studies involving these active compounds are underway to identify lead candidates for further development. Keywords: Artemisinin, malaria, leishmaniasis" @default.
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- W1995388614 date "2006-12-01" @default.
- W1995388614 modified "2023-09-27" @default.
- W1995388614 title "A New Library of C-16 Modified Artemisinin Analogs and Evaluation of Their Anti-Parasitic Activities" @default.
- W1995388614 doi "https://doi.org/10.2174/138620706779026051" @default.
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