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将路易斯酸性离子液体固定在珍珠岩纳米颗粒表面，作为用于无溶剂合成呫吨衍生物的高效固体酸催化剂。

Immobilization of Lewis acidic ionic liquid on perlite nanoparticle surfaces as a highly efficient solid acid catalyst for the solvent-free synthesis of xanthene derivatives.

作者信息

Moradi L, Mirzaei M

机构信息

Department of Organic Chemistry, Faculty of Chemisry, University of Kashan P. O. Box 8731753153 Kashan Iran

出版信息

RSC Adv. 2019 Jun 26;9(35):19940-19948. doi: 10.1039/c9ra03312b. eCollection 2019 Jun 25.

DOI:10.1039/c9ra03312b
PMID:35514727
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9065349/
Abstract

In this study, perlite nanoparticles were prepared through a simple method and then modified with Lewis acidic ionic liquid (perlite NP@IL/ZrCl) through a two step procedure. The prepared solid acid catalyst was characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDX) and thermo gravimetric analysis (TGA). Perlite NP@IL/ZrCl was used as a new solid acid, reusable and green heterogeneous nanocatalyst for the one-pot synthesis of xanthene derivatives. Synthesis of xanthenes was performed under solvent free conditions using a catalytic amount (0.005 g, 0.4 mol%) of the prepared catalyst with simple work-up and high to excellent yield of products. The reusability and high efficiency of this catalyst makes this method attractive for large scale environment-friendly operations.

摘要

在本研究中，通过一种简单的方法制备了珍珠岩纳米颗粒，然后通过两步法用路易斯酸性离子液体（珍珠岩NP@IL/ZrCl）对其进行改性。通过傅里叶变换红外光谱（FTIR）、扫描电子显微镜（SEM）、X射线衍射（XRD）、能量色散X射线光谱（EDX）和热重分析（TGA）对制备的固体酸催化剂进行了表征。珍珠岩NP@IL/ZrCl用作一种新型的固体酸、可重复使用的绿色多相纳米催化剂，用于一锅法合成呫吨衍生物。在无溶剂条件下，使用催化量（0.005 g，0.4 mol%）的制备催化剂进行呫吨的合成，后处理简单，产物收率高至优异。该催化剂的可重复使用性和高效率使得该方法对大规模环保操作具有吸引力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cf94/9065349/65af0c5add21/c9ra03312b-s3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cf94/9065349/bd6c7bac315b/c9ra03312b-s1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cf94/9065349/db58d66fb616/c9ra03312b-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cf94/9065349/d595021d3a72/c9ra03312b-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cf94/9065349/3bba4c5b84d3/c9ra03312b-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cf94/9065349/a8bc827681ad/c9ra03312b-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cf94/9065349/7ee0b7c2561a/c9ra03312b-s2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cf94/9065349/65af0c5add21/c9ra03312b-s3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cf94/9065349/bd6c7bac315b/c9ra03312b-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cf94/9065349/f0fbc2fb735c/c9ra03312b-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cf94/9065349/db58d66fb616/c9ra03312b-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cf94/9065349/d595021d3a72/c9ra03312b-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cf94/9065349/3bba4c5b84d3/c9ra03312b-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cf94/9065349/a8bc827681ad/c9ra03312b-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cf94/9065349/7ee0b7c2561a/c9ra03312b-s2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cf94/9065349/65af0c5add21/c9ra03312b-s3.jpg

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新型2-取代苯并吡喃并[4,3-d]嘧啶-4-环胺和4-氨基/环氨基苯并吡喃并[4,3-d]嘧啶-5-酮的合成、抗血小板和抗血栓活性
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