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Polyethylene glycol (PEG-400): an efficient green reaction medium for the synthesis of benzo[4,5]imidazo[1,2-a]-pyrimido[4,5-d]pyrimidin-4(1H)-ones under catalyst-free conditions

Chemical EngineeringEngineeringGreen ChemistrySustainable SynthesisOrganic ChemistryCatalysisChemistryCatalyst-free ConditionsSynthesis MethodSynthetic ChemistryPolymer ChemistryCatalytic SynthesisPolyethylene Glycol