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Microwave InducedOne Pot SynthesisOf SomeNew 3-(Phenylthio)-2HThiopyrano[2,3-b]Quinolin-2-OneUnder Solvent FreeCondition

M.Raghavendra, H.S.Bhojya Naik, B.S.Sherigara

A series of some new 3-(phenylthio)-2H-thiopyrano[2,3-b]quinolin-2-one have been synthesised by the one pot reaction between 2-mercaptoquinoline- 3-carbaldehyde and (phenylthio)acetic acid using TEA catalyst under microwave irradiation in solvent free conditions. The procedure is simple, environmentally benign and occurs in good yields. All the newly synthesised compounds were characterized by elemental analyses, IR, 1H-NMR and mass spectral data.