无溶剂条件下MgO/Al2O3微波辅助Erlenmeyer合成氮唑内酯

Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry Pub Date : 2016-05-03 DOI:10.1080/15533174.2014.989575

N. Rostamizadeh, A. Khajeh-Amiri, H. Moghanian

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引用次数: 6

摘要

MgO/Al2O3在微波辐射下，以马尿酸和乙酸酐为脱水剂，催化醛(或酮)缩合反应合成氮杂内酯衍生物。MgO/Al2O3的低毒性、低成本、易于处理和高活性使该工艺特别具有吸引力。此外，该催化剂可以很容易地通过滗析回收，并且可以连续重复使用该缩合五次而不会造成相当大的催化活性损失。

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Microwave-Assisted Erlenmeyer Synthesis of Azlactones Catalyzed by MgO/Al2O3 Under Solvent-Free Conditions

MgO/Al2O3 catalyzes the synthesis of azlactone derivatives from condensation reaction of aldehydes (or ketones) with hippuric acid and acetic anhydride as a dehydrating agent under microwave irradiation. The low toxicity, low cost, ease of handling, and high activity of MgO/Al2O3 make this procedure particularly attractive. Also, this catalyst can be easily recovered by decant and can be reused for this condensation five times in succession without considerable loss of its catalytic activity.

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来源期刊

Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry 工程技术-纳米科技

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审稿时长

5 months