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TABLE NO.- 2(IB)PHYSICAL CONSTANTS OF 6-(2-(4-CHLOROPHENYL)-8-METHYL-1H-IMIDAZO[1,2-a]PYRIDINE-3-YL)-4-ARYL PYRIMIDINE-2(H)-ONE.Sr.No.RMolecularFormulaM.W.M.P.°CRf*Value%Yield% NitrogenCalcd. Found2(Ia)2(Ib)2(Ic)2(Id)2(Ie)2(If)2(Ig)2(Ih)2(Ii)C 6 H 5 -4-CH 3 -C 6 H 4 -4-OCH 3 -C 6 H 4 -4-Cl-C 6 H 4 -4-F-C 6 H 4 -4-Br-C 6 H 4 -4-NH 2 -C 6 H 4 -4-NO 2 -C 6 H 4 -4-OH-C 6 H 4 -C 24 H 17 ClN 4 O 412.0C 25 H 19 ClN 4 O 426.0C 25 H 19 ClN 4 O 2 442.5C 24 H 16 Cl 2 N 4 O 446.0C 24 H 16 ClFN 4 O 430.0C 24 H 16 ClBrN 4 O 490.0C 24 H 18 ClN 5 O 427.0C 24 H 16 ClN 5 O 3 457.0C 24 H 17 ClN 4 O 2 428.0165.0175.0177.0170.0162.0155.0169.0180.0172.00.540.560.550.560.530.590.570.560.5252.055.059.060.054.057.058.061.058.013.5713.1212.6512.5313.0011.3916.3715.3013.0613.5012.9012.6012.4012.9711.0016.3515.1913.02Solvent System : Ethyl acetate : Hexane (4:6)74Oxopyrimidine…..