(CTA)3[SiW12]-Li+-MMT: Efficient nanocatalyst for the synthesis of 3,4-dihydropyrimidin-2(1H)-ones under solvent-free conditions

Iranian Journal of Catalysis

مقاله 3، دوره 8، شماره 2، شهریور 2018، صفحه 89-94   

نوع مقاله: Articles

نویسندگان

Esmayeel Abbaspour-Gilandeh^{* 1}؛ Mehraneh Aghaei-Hashjin²؛ Hashem Azizi²

¹Esmayeel Abbaspour-Gilandeh*, Mehraneh Aghaei-Hashjin, Hashem Azizi Young Researchers and Elites Club, Ardabil Branch, Islamic Azad University, Ardabil, Iran.

²Young Researchers and Elites Club, Ardabil Branch, Islamic Azad University, Ardabil, Iran.

چکیده

A highly practical and efficient preparation of 3,4-Dihydropyrimidin-2(1H)-one derivatives was developed via an efficient and simple nanocatalyst and promoted multi-component reaction of ethyl acetoacetate, aromatic aldehyde, and urea in the presence of a catalytic amount of (CTA)₃[SiW₁₂]-Li⁺-MMT under solvent-free conditions. In comparison to the conventional methods, the salient features of this method are green reaction conditions, short reaction time, high quantitative yields, high atom economy, low cost, no column chromatographic separation and easy isolation of products. All the products were characterized by melting point, IR, ¹HNMR and ¹³CNMR and were determined by comparison of their spectra with those of valid samples.

کلیدواژه‌ها

Aldehydes؛ Multi-component reaction؛ (CTA)3[SiW12]-Li+-MMT؛ 3,4-Dihydropyrimidin-2(1H)-one

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