KF/clinoptilolite nanoparticles were used as an effective heterogeneous catalyst for the synthesis of spiro[indole-3,2'-pyran] derivatives via three-component reactions of N-alkylisatins, 1,3-dicarbonyl compounds, and electron-deficient acetylenic compounds under solventfree conditions at 80°C. The present protocol has significant advantages, such as high yields, easy purification, and low environmental impact.
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Published in Khimiya Geterotsiklicheskikh Soedinenii, 2017, 53(4), 480–483
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Rostami-Charati, F., Hossaini, Z., Rostamian, R. et al. Green synthesis of indol-2-one derivatives from N-alkylisatins in the presence of KF/clinoptilolite nanoparticles. Chem Heterocycl Comp 53, 480–483 (2017). https://doi.org/10.1007/s10593-017-2077-x
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DOI: https://doi.org/10.1007/s10593-017-2077-x