Ashok & Rita Patel Institute of Integrated Studies and Research in Biotechnology and Allied science

Vallabh Vidyanagar, India

Ashok & Rita Patel Institute of Integrated Studies and Research in Biotechnology and Allied science

Vallabh Vidyanagar, India
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Patel T.S.,Sardar Patel University | Vanparia S.F.,Sardar Patel University | Patel U.H.,Sardar Patel University | Dixit R.B.,Ashok & Rita Patel Institute of Integrated Studies and Research in Biotechnology and Allied science | And 3 more authors.
European Journal of Medicinal Chemistry | Year: 2017

An optimization of a modified Grimmel's method for N-heterocyclization of Leucine linked sulphonamide leading to 2,3-disustituted-4-quinazolin-(3H)-ones was accomplished. Further, nineteen hybrid quinazolinone motifs (5a-5s) were synthesized by N-heterocyclization reaction under microwave irradiation using TEAA (IL) as green solvent as well as catalyst. The in vitro screening of the hybrid entities against the plasmodium species P. falciparum yielded five antimalarial potent molecules 5g, 5l, 5m, 5n & 5p owing comparable activity to the reference drugs. The active scaffolds were further evaluated for enzyme inhibition efficacy against alleged receptor Pf-DHFR computationally as well as in vitro, proving their candidature as lead dihydrofolate reductase inhibitors. The prediction of the ADMET properties of the potent molecules also indicated their good oral bioavailability. © 2017 Elsevier Masson SAS

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