DESIGN, SYNTHESIS AND EVALUATION OF 6-SUBSTITUTED-4-HYDROXY-1-(2- SUBSTITUTEDACETYL)-3-NITROQUINOLIN-2(1H)-ONEs FOR ANTICANCER ACTIVITY
By: Bhatt, S. S
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Contributor(s): MaleDesai, S. N.
Publisher: Mumbai Indian Drug Manufacture's Association - IDMA 2019Edition: Vol.56(12), Dec.Description: 20-27p.Subject(s): PHARMACEUTICSOnline resources: Click here
In:
Indian drugsSummary: The present work deals with the synthesis of a series of 6-substituted-4-hydroxy-1-(2-substitued alicyclicaminoacetyl)-3-nitroquinolin-2(1H)-one {IVa-d (1-3)} derivatives and evaluation of their in vitro anticancer activity. Docking study was carried out using EGFR-tyrosine kinase binding site (PDB ID: 1m17) and revealed encouraging results. The sequence of reactions consists of the initial synthesis of 6-substituted 4-hydroxyquinolin-2(1H)-ones (Ia-d), which were further subjected to nitration reaction to give 6- substituted-4-hydroxy-3-nitroquinolin-2(1H)-one (IIa-d). Condensation of compounds (IIa-d) with chloroacetyl chloride resulted in 6-substituted-1-(2-chloroacetyl)-4-hydroxy-3-nitroquinolin-2(1H)-one(IIIa-d), which was subjected to substitution reaction using various secondary amines to yield the title compounds {IVa-d (1-3)}. All the synthesized compounds were characterized by IR, NMR and mass spectral data.All the derivatives were tested for their in vitro anticancer activity using KB (oral cancer) cell lines. Among the synthesized compounds, compound (IVc-2) was found to be the most cytotoxic as compared to the other synthesized derivatives, with IC50 values of 0.2406μM/mL against KB cell line.
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The present work deals with the synthesis of a series of 6-substituted-4-hydroxy-1-(2-substitued alicyclicaminoacetyl)-3-nitroquinolin-2(1H)-one {IVa-d (1-3)} derivatives and evaluation of their in vitro anticancer activity. Docking study was carried out using EGFR-tyrosine kinase binding site (PDB ID: 1m17) and revealed encouraging results. The sequence of reactions consists of the initial synthesis of 6-substituted 4-hydroxyquinolin-2(1H)-ones (Ia-d), which were further subjected to nitration reaction to give 6- substituted-4-hydroxy-3-nitroquinolin-2(1H)-one (IIa-d). Condensation of compounds (IIa-d) with chloroacetyl chloride resulted in 6-substituted-1-(2-chloroacetyl)-4-hydroxy-3-nitroquinolin-2(1H)-one(IIIa-d), which was subjected to substitution reaction using various secondary amines to yield the title compounds {IVa-d (1-3)}. All the synthesized compounds were characterized by IR, NMR and mass spectral data.All the derivatives were tested for their in vitro anticancer activity using KB (oral cancer) cell lines. Among the synthesized compounds, compound (IVc-2) was found to be the most cytotoxic as compared to the other synthesized derivatives, with IC50 values of 0.2406μM/mL against KB cell line.
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