Synthesis of 1′-aryl-2′-(2-oxoindolin-3-yl)spiro[indoline-3,5′-pyrroline]-2,3′-dione via one-pot reaction of arylamines, acetone, and isatins |
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Authors: | Yan SunJing Sun Chao-Guo Yan |
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Affiliation: | College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225002, China |
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Abstract: | An efficient synthetic method for 1′-aryl-2′-(2-oxoindolin-3-yl)spiro[indoline-3,5′-pyrroline]-2,3′-diones was successfully developed via the one-pot domino reaction of arylamines, acetone, and isatins in acetic acid. The reaction mechanism involved the sequential Michael addition and ring closure of the in situ formed 3-N-aryliminoisatin and isatylidene acetone. |
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Keywords: | One-pot reaction Domino reaction Michael addition Isatin Spiro compound |
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