In this work, magnetic nanocomposite of NaP Zeolite and CoFe₂O₄ as magnetic nanoparticles (MNP’s) with different ratios were prepared and in the second step functionalized with 2-aminopyridine as a basic group. All samples were characterized by FT-IR, XRD, VSM, FESEM, EDX, TEM, and BET and thermal analyses. The results show that CoFe₂O₄ MNP’s was dispersed on NaP Zeolite without any significant aggregation with particle size about 30–50 nm. The BET and TEM confirmed the presence of mesoporous phase in the surface of NaP Zeolite/CoFe₂O₄ and preparation a micro–meso-structure. The NaP Zeolite/CoFe₂O₄ and NaP Zeolite/CoFe₂O₄/Am-Py were used as acid–base catalysts for aldol condensation of cyclohexanone with benzaldehyde, and furfural with acetone which produce curcumin and biofuel intermediates, respectively, in solvent-free condition. The effect of different factors such as the percent of CoFe₂O₄ MNP’s, catalyst amount, solvent, time and temperature was investigated. The catalyst was easily separated with an external magnet and reused four times without significant change in the yield. These catalysts have various advantages including high loading capacity, low leaching for CoFe₂O₄ MNP’s and simple and efficient recovery procedure which can be used under mild and ecofriendly condition.

在这项工作中，制备了NaP沸石和CoFe ₂ O _4的磁性纳米复合材料，它们是具有不同比例的磁性纳米颗粒（MNP），并在第二步中以2-氨基吡啶为碱性官能团。所有样品均通过FT-IR，XRD，VSM，FESEM，EDX，TEM和BET以及热分析进行表征。结果表明，CoFe ₂ O ₄ MNP's分散在NaP沸石上，没有任何明显的聚集，粒径约为30–50 nm。BET和TEM证实了NaP沸石/ CoFe ₂ O ₄表面存在介孔相，并制备了微介孔结构。NaP沸石/ CoFe ₂ O ₄和NaP沸石/ CoFe₂ O ₄ / Am-Py用作酸碱催化剂，用于环己酮与苯甲醛的羟醛缩合，以及糠醛与丙酮的羟醛缩合，分别在无溶剂条件下产生姜黄素和生物燃料中间体。研究了CoFe ₂ O ₄ MNP的百分比，催化剂用量，溶剂，时间和温度等不同因素的影响。该催化剂易于用外磁体分离并重复使用四次而收率没有明显变化。这些催化剂具有多种优点，包括高负载能力，CoFe ₂ O ₄ MNP的低浸出和简单有效的回收程序，可在温和，环保的条件下使用。