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• W2891947207 abstract "Here, a facile and efficient protocol for the synthesis of 3-hydroxyquinolin-8-yl propanoates via Rh(III)-catalyzed C(8)–H activation of 2-substituted quinolines has been developed. The reaction proceeds via C(8)–H activation, functionalization with acrylates, followed by intramolecular migration of the oxygen atom from quinoline N-oxides to the acrylate moiety. In this approach, N-oxide plays a dual role of a traceless directing group as well as a source of an oxygen atom for hydroxylation. This catalytic method involves simultaneous formation of new C–C and C–O bonds and is applicable only for C2-substituted quinolines. A catalytically competent five-membered rhodacycle has been characterized, thus revealing a key intermediate in the catalytic cycle. In silico docking studies against Falcipan-2 have revealed that 3a, 3b, 3g, and 3m have better scores. In vitro evaluation of selected compounds against CQ-sensitive pf3D7 and CQ-resistant pfINDO strains provided evidence that 3d (IC50 13.3 μM) and 3g (IC50 9.5 μM) had good promise against Plasmodium falciparum in the in vitro culture. Compound 3g was found to be the most potent on the basis of both in vitro antiplasmodial activity [IC50 9.5 μM (Pf3D7) and 11.9 μM (PfINDO), resistance index 1.25] and in silico studies." @default.
• W2891947207 created "2018-09-27" @default.
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• W2891947207 date "2018-09-13" @default.
• W2891947207 modified "2023-10-13" @default.
• W2891947207 title "Rh(III)-Catalyzed C(8)–H Functionalization of Quinolines via Simultaneous C–C and C–O Bond Formation: Direct Synthesis of Quinoline Derivatives with Antiplasmodial Potential" @default.
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• W2891947207 doi "https://doi.org/10.1021/acs.joc.8b02042" @default.
• W2891947207 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30211555" @default.
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