Synthesis of spiro[benzopyrazolonaphthyridine-indoline]-diones and spiro[chromenopyrazolopyridine-indoline]-diones by one-pot, three-component methods in water |
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Authors: | Somayeh Ahadi |
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Institution: | Department of Chemistry, Shahid Beheshti University G.C., PO Box 19396-4716, Tehran, Iran |
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Abstract: | The synthesis of spirobenzoh]pyrazolo3,4-b]1,6]naphthyridine-7,3′-indoline]-2′,6(5H)-diones and spirochromeno4,3-b]pyrazolo4,3-e]pyridine-7,3′-indoline]-2′,6(6aH,10H)-diones via a one-pot, three-component reaction of 4-hydroxycoumarin or 4-hydroxy-1-methylquinolin-2(1H)-one, isatins and 1H-pyrazol-5-amines in water is reported. |
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Keywords: | 4-Hydroxy-1-methylquinolin-2(1H)-one Coumarin Isatin Pyrazole Spirooxindole |
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