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KMID : 1059520100540060723
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Journal of the Korean Chemical Society
2010 Volume.54 No. 6 p.723 ~ p.726
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NaHSO4/SiO2: An Efficient Catalyst for the Synthesis of β-Enaminones and 2-Methylquinolin-4(1H)-Ones under Solvent-Free Condition
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Sapkal, Suryakant B.
Shelke, Kiran F.
Shingate, Bapurao B.
Shingare, Murlidhar S.
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Abstract
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An efficient and simplified protocol for NaHSO4/SiO2 catalyzed solvent-free synthesis of β-enaminone and 2-methylquinolin-4(1H)-one derivatives under microwave irradiation is described. A series of functionalized derivatives have been synthesized in shorter reaction times with moderate to good yields. The use of milder catalyst in non-conventional method offers significant advantages over conventional methods, such as higher selectivities, simplicity, solvent-free reaction and non-environmental polluting conditions.
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KEYWORD
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NaHSO4/SiO2 Catalyst, β-enaminones, Quinoline-4-Ones, Condensation
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