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首页> 外文期刊>New Journal of Chemistry >gamma-Fe2O3@Cu3Al-LDH-N-amidinoglycine: a new amphoteric and reusable magnetic nanocatalyst for the synthesis of new pyrimidonaphthyridine derivatives and their antioxidant and antifungal activity evaluation
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gamma-Fe2O3@Cu3Al-LDH-N-amidinoglycine: a new amphoteric and reusable magnetic nanocatalyst for the synthesis of new pyrimidonaphthyridine derivatives and their antioxidant and antifungal activity evaluation

机译：Gamma-Fe2O3 @ Cu3Al-LDH-N-脒基因氨酸：一种新的两性和可重复使用的磁性纳米催化剂，用于合成新的嘧啶萘衍生物及其抗氧化剂和抗真菌活性评价

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摘要

The synthesis of a novel layered double hydroxide (LDH)-based N-amidinoglycine-functionalized magnetic nanocomposite, gamma-Fe2O3@Cu3Al-LDH-N-amidinoglycine, has been described. The structure of the synthesized nanoparticles was characterized by different physicochemical techniques such as X-ray diffraction (XRD), thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FT-IR), energy dispersive X-ray spectroscopy (EDX), and scanning electron microscopy (SEM), and using a vibrating sample magnetometer (VSM). These newly developed magnetic nanoparticles have been explored as a magnetically separable amphoteric nanocatalyst for the synthesis of new pyrimido[4,5-b][1,8] naphthyridine-7-carbonitrile derivatives in excellent yields via one-pot three-component reaction between aldehydes, 3-cyano-6-hydroxy-4-methyl-pyridin-2(1H)-one, and N,N-dimethyl-6-aminouracil. In the subsequent part of the present research, these synthesized pyrimido[4,5-b][1,8]naphthyridines were evaluated for their antioxidant and antifungal activities in vitro by using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) method and PDA (potato dextrose agar) medium, respectively.
机译：已经描述了新型层状双氢氧化物（LDH）的基于N-脒基甘氨酸官能化磁性纳米复合材料，γ-FE2O3 -Cu3Al -LDH-N-脒基因氨酸的合成。合成纳米颗粒的结构的特征在于X射线衍射（XRD），热重分析（TGA），傅里叶变换红外光谱（FT-IR），能量分散X射线光谱（EDX）和扫描的不同物理化学技术电子显微镜（SEM），并使用振动样品磁力计（VSM）。这些新开发的磁性纳米粒子已被探索为磁性可分离的两性纳米催化剂，用于合成新的嘧啶-7-亚萘啶-7-腈衍生物，通过单罐三组分反应优异的产率醛，3-氰基-6-羟基-4-甲基 - 吡啶-2（1H） - ONE，N，N-二甲基-6-氨基嘧啶。在本研究的后续部分中，通过使用2,2-二苯基-1-1-Picrylafdazyl（DPPH）在体外评估这些合成的嘧啶[4,5-B] [1,8]萘吡啶的抗氧化剂和抗真菌活性方法和PDA（马铃薯葡萄糖琼脂）培养基。

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