SmCl3-catalyzed C-acylation of 1,3-dicarbonyl compounds and malononitrile |
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| Authors: | Shen Quansheng Huang Wen Wang Jialiang Zhou Xigeng |
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| Affiliation: | Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, People's Republic of China. |
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| Abstract: | A recyclable, convenient, and efficient catalytic system for C-acylation of 1,3-dicarbonyl compounds and malononitrile with acid chlorides has been developed, giving moderate to excellent yields under mild conditions. This is the first catalytic example of such reactions. In addition, by applying this protocol as the key step, 3,5-disubstituted-1H-pyrazole-4-carboxylate can easily be synthesized in high yields in a one-pot procedure. |
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