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含吡唑骨架的NNN钳形锰配合物的合成、表征及其在α-烷基化反应中的应用

Synthesis, Characterization and Application of NNN Pincer Manganese Complexes with Pyrazole Framework in α-Alkylation Reaction.

作者信息

Wang Tao, Xu Yongli, Du Mengxin, Hu Zhiyuan, Liu Lantao

机构信息

Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals, School of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, China.

College of Petrochemical Engineering, Liaoning Petrochemical University, Fushun 113001, China.

出版信息

Molecules. 2025 Mar 26;30(7):1465. doi: 10.3390/molecules30071465.

DOI:10.3390/molecules30071465
PMID:40286071
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11990691/
Abstract

A series of novel NNN pincer manganese complexes based on pyrazole skeleton were efficiently synthesized in a two-step process. All of the new complexes were fully characterized by H, C NMR spectra. Furthermore, the molecular structures of complexes and were also determined by X-ray single-crystal diffraction. The manganese(I) catalysts obtained showed efficient catalytic activity in the α-alkylation reaction of ketones with alcohols. Under optimal reaction conditions, the expected products were procured with moderate to high yields.

摘要

基于吡唑骨架的一系列新型NNN钳形锰配合物通过两步法高效合成。所有新配合物均通过氢、碳核磁共振光谱进行了全面表征。此外,配合物 和 的分子结构也通过X射线单晶衍射确定。所得到的锰(I)催化剂在酮与醇的α-烷基化反应中表现出高效的催化活性。在最佳反应条件下,以中等到高的产率获得了预期产物。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee3a/11990691/8e636ae9a376/molecules-30-01465-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee3a/11990691/3e448f87eefc/molecules-30-01465-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee3a/11990691/8e636ae9a376/molecules-30-01465-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee3a/11990691/3e448f87eefc/molecules-30-01465-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee3a/11990691/8e636ae9a376/molecules-30-01465-g001.jpg

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Chem Asian J. 2025 Jan 2;20(1):e202400811. doi: 10.1002/asia.202400811. Epub 2024 Dec 10.
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