离子液体[C2O2BBTA][TFA]催化合成3,4-二氢嘧啶-2-(1H)-酮/硫酮

Journal of Organic Chemistry Research Pub Date : 2017-05-17 DOI:10.12677/JOCR.2017.52010

张增鹏, 刘晨江

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摘要

无溶剂条件下，阳离子为苯并三唑、阴离子为三氟乙酸根的羧基功能化离子液体作为环境友好的催化剂，高效地合成了一系列3,4-二氢嘧啶-2(1H)-酮或硫酮。此外，离子液体[C2O2BBTA][TFA]循环使用至少4次，且催化活性没有明显降低。 Carboxyl functional ionic liquid with benzotriazole cation and trifluoroacetate anion can be used as environmental-friendly catalyst for the efficient synthesis of 3,4-dihydropyrimidin-2(1H) ones /thiones under solvent-free conditions. Moreover, the ionic liquid [C2O2BBTA][TFA] can be easily recycled and reused for at least four cycles without obvious loss of catalytic activity.

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离子液体[C2O2BBTA][TFA]催化合成3,4-二氢嘧啶-2-(1H)-酮/硫酮

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Journal of Organic Chemistry Research

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