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负载 l-脯氨酸的氧化石墨烯/Fe3O4 纳米复合材料的非共价支持：一种新型、高效和超顺磁性可分离的催化剂，用于合成双吡唑衍生物。

Non-Covalent Supported of l-Proline on Graphene Oxide/Fe₃O₄ Nanocomposite: A Novel, Highly Efficient and Superparamagnetically Separable Catalyst for the Synthesis of Bis-Pyrazole Derivatives.

机构信息

Department of Gas and Petroleum, Yasouj University, Gachsaran 75918-74831, Iran.

Nanotechnology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz 14536-33143, Iran.

出版信息

Molecules. 2018 Feb 5;23(2):330. doi: 10.3390/molecules23020330.

DOI:10.3390/molecules23020330
PMID:29401720
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6017507/
Abstract

A superparamagnetic graphene oxide/Fe₃O₄/l-proline nano hybrid that was obtained from the non-covalent immobilization of l-proline on graphene oxide/Fe₃O₄ nanocomposite was used as a new magnetically separable catalyst for the efficient synthesis of 4,4'-(arylmethylene)(1-pyrazol-5-ol) derivatives. The prepared heterogeneous catalyst was characterized using FTIR, TGA, DTG, XRD, TEM, SEM, and elemental analysis techniques. Short reaction times (5-15 min), excellent yields (87-98%), and simple experimental procedure with an easy work-up are some of the advantages of the introduced catalyst.

摘要

一种超顺磁的石墨烯氧化物/Fe3O4/L-脯氨酸纳米杂化物，是通过 L-脯氨酸在石墨烯氧化物/Fe3O4 纳米复合材料上的非共价固定化得到的，它被用作一种新型的可分离磁催化剂，用于高效合成 4,4'-(芳基亚甲基)(1-吡唑-5-醇)衍生物。所制备的多相催化剂使用 FTIR、TGA、DTG、XRD、TEM、SEM 和元素分析技术进行了表征。该催化剂具有反应时间短（5-15 分钟）、产率高（87-98%）、实验操作简单、后处理容易等优点。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/a12e60bf62f1/molecules-23-00330-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/0c4a3928a1f2/molecules-23-00330-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/5e1f679271a1/molecules-23-00330-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/937212e0ab4d/molecules-23-00330-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/076a0ca9b9ba/molecules-23-00330-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/32dabd079953/molecules-23-00330-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/b65a197e40fa/molecules-23-00330-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/79b1f66962f8/molecules-23-00330-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/0f54907df5c2/molecules-23-00330-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/4d9ed3202b1f/molecules-23-00330-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/f4be224ca1eb/molecules-23-00330-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/f33ad9de102e/molecules-23-00330-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/bd079d0a65fd/molecules-23-00330-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/a12e60bf62f1/molecules-23-00330-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/0c4a3928a1f2/molecules-23-00330-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/5e1f679271a1/molecules-23-00330-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/937212e0ab4d/molecules-23-00330-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/076a0ca9b9ba/molecules-23-00330-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/32dabd079953/molecules-23-00330-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/b65a197e40fa/molecules-23-00330-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/79b1f66962f8/molecules-23-00330-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/0f54907df5c2/molecules-23-00330-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/4d9ed3202b1f/molecules-23-00330-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/f4be224ca1eb/molecules-23-00330-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/f33ad9de102e/molecules-23-00330-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/bd079d0a65fd/molecules-23-00330-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9120/6017507/a12e60bf62f1/molecules-23-00330-g011.jpg

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