期刊
BIOORGANIC & MEDICINAL CHEMISTRY
卷 23, 期 17, 页码 5979-5984出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2015.06.056
关键词
Malaria; Quinoline; Sulfonamide; Hybrids; Plasmodium falciparum
资金
- Coordination of Improvement of Higher Education (CAPES)
- National Council of R&D of Brazil (CNPq)
- Foundation for Research of the State of Rio de Janeiro (FAPERJ)
- Foundation for Research of the State of Minas Gerais (FAPEMIG)
- Technological Development Program on Products for Health (PDTIS)
- CNPq-MCT/MS (PRONEX Rede Malaria)
Fifteen quinoline-sulfonamide hybrids, with a 7-chloroquinoline moiety connected by a linker group to arylsulfonamide moieties with different substituents in the 4-position were synthesized and assayed against Plasmodium falciparum. The compounds displayed high schizonticidal blood activity in vitro, with IC50 values ranging from 0.05 to 1.63 mu M, in the anti-HPR2 assay against clone W2-chloroquine-resistant; ten of them showed an IC50 (ranging from 0.05 to 0.40 mu M) lower than that of chloroquine and sulfadoxine. Among them, two compounds inhibited Plasmodium berghei parasitemia by 47% and 49% on day 5 after mice inoculation. The most active, in vivo, hybrid 13 is considered to be a new prototype for the development of an antimalarial drug against chloroquine-resistant parasites. (C) 2015 Elsevier Ltd. All rights reserved.
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