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Coumarin compounds have great interest for their wide range of medicinal and pharmacological properties as well as for their fluorescent properties. Simple coumarins are being the major precursor for the synthesis of most of the coumarin derivatives. Simple coumarin (C1) was synthesized by using Perkin condensation reaction whereas 7-hydroxy coumarin (C2) and 7-hydroxy-4-methyl coumarin (C3) were synthesized by using Pechmann condensation reaction. Solvent combination which gives higherdoi:10.5281/zenodo.2548799 fatcat:6l7n6bylrbegvflyc2l7n2qruu