A Green and Highly Efficient Protocol for Catalyst‐free Knoevenagel Condensation and Michael Addition of Aromatic Aldehydes with 1,3‐Cyclic Diketones in PEG‐400 |
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| Authors: | Nemati Firouzeh Kiani Hossein |
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| Affiliation: | Department of Chemistry, Faculty of Science, Semnan University, Semnan, Iran |
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| Abstract: | A convenient, highly efficient and green approach for synthesis of tetraketones from aromatic aldehydes with dimedone and 1,3‐indanedione at room temperature in PEG‐400 is described. The use of PEG‐400 as the reaction medium and avoiding the use of any catalyst makes the process environmentally benign. Seven new compounds are reported. |
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| Keywords: | Michael addition green chemistry polyethelene glycol Knoevenagel condensation dimedone 1,3‐Indanedione |
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