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Novel one-pot synthesis of 4H-chromene derivatives using amino functionalized silica gel catalyst |
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| Authors: | Vijaykumar M. Joshi Rupali L. Magar Prashant B. Throat Sunil U. Tekale Bhagavan R. Patil Mangal P. Kale Rajendra P. Pawar |
| Affiliation: | a Department of Chemistry, Karmveer Ramraoji Aher Arts, Science and Commerce College, Deola 423 105, MS, India;b Department of Chemistry, Deogiri College, Aurangabad 431 005, MS, India;c Department of Chemistry, Dnyanopasak College, Parbhani 431 401, MS, India;d Department of Chemistry, Sharda Mahavidyalaya, Parbhani 431 401, MS, India |
| Abstract: | A simple, efficient, and environmentally benign method for the synthesis of 4H-chromene derivatives was developed using well ordered and recoverable amino functionalized silica gel as a base catalyst. The 4H-chromene derivatives were obtained in short time and excellent yield (87%-96%) by three component reaction of aldehydes, malononitrile and cyclic 1,3-diketones in water at 70 ℃. |
| Keywords: | Aldehydes4H-ChromenesAmino functionalized silica gel |
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