Design and development of pyrrole carbaldehyde: An effective pharmacophore for enoyl-ACP reductase
Enoyl-ACP reductase is the key enzyme involved in FAS-II synthesis of mycolic acid in bacterial cell wall and is a promising target for discovering new chemical entity. The designed pharmacophores are the possible better tools to combat mutation in enoyl-ACP enzyme, which leads to a decrease in volume of triclosan binding site. Compound 3a showed H-bonding interactions similar to that of triclosan with enoyl-ACP enzyme and with a better docking score (C score 8.81), while the compound 3f showed additional interaction with MET98.H amino acid residue. The 3D-QSAR computations also support the docking study to develop novel pyrrole-based derivatives. Graphical abstract: Molecular docking 3D-QSAR studies and synthesis of active analogs of pyrrole carbaldehyde as better receptor fit pharmacophore for enoyl-ACP reductase along with in vitro antitubercular activity. (Figure Presented).
Joshi, Shrinivas D.,Kumar, Devendra,More, Uttam A.,Yang, Kap Seung,Aminabhavi, Tejraj M.
p. 672 - 689
(2016/03/08)
Discovery and structure-activity relationships of pyrrolone antimalarials
In the pursuit of new antimalarial leads, a phenotypic screening of various commercially sourced compound libraries was undertaken by the World Health Organisation Programme for Research and Training in Tropical Diseases (WHO-TDR). We report here the detailed characterization of one of the hits from this process, TDR32750 (8a), which showed potent activity against Plasmodium falciparum K1 (EC50 ~ 9 nM), good selectivity (>2000-fold) compared to a mammalian cell line (L6), and significant activity against a rodent model of malaria when administered intraperitoneally. Structure-activity relationship studies have indicated ways in which the molecule could be optimized. This compound represents an exciting start point for a drug discovery program for the development of a novel antimalarial.
Murugesan, Dinakaran,Mital, Alka,Kaiser, Marcel,Shackleford, David M.,Morizzi, Julia,Katneni, Kasiram,Campbell, Michael,Hudson, Alan,Charman, Susan A.,Yeates, Clive,Gilbert, Ian H.
p. 2975 - 2990
(2013/05/23)
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