ChemInform Abstract: pTSA‐Catalyzed One‐Pot Synthesis of 12‐Aryl‐8,9,10,12‐tetrahydrobenzo[a]xanthen‐11‐ones in Ionic Liquid and Neat Conditions
摘要：
Multi-component condensation of β-naphthol, aromatic aldehydes, and cyclic 1,3-dicarbonyl compounds catalyzed by p-toluenesulfonic acid has been accomplished for the synthesis of a series of 12-aryl-8,9,10,12-tetrahydrobenzo[ a]xanthen-11-ones in ionic liquid([bmim]BF 4) and in solvent-free media. High yields, ease of recovery, and reusable reaction medium (ionic liquid) with consistent activity makes this protocol efficient and environmentally benign.
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DOI：
10.1002/chin.200948147
被引量：
年份：
2009
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