Palladium-NHC mediated telomerization of aromatic alcohols

IF 6.5 1区 化学 Q2 CHEMISTRY, PHYSICAL Journal of Catalysis Pub Date : 2025-02-25 DOI:10.1016/j.jcat.2025.116048
Lorenzo Palio , Lucas Piglialepre , Tiphaine Richard , Clément Dumont , Isabelle Suisse , Catherine S.J. Cazin , Steven P. Nolan , Mathieu Sauthier
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Abstract

The telomerization reaction of dienes with alcohols mediated by organopalladium complexes represents a versatile method to convert butadiene into value-added chemicals. The use of aromatic alcohols in the telomerization is still an under-explored area that has attracted increased interest in recent years. In this contribution, we examine the catalytic behaviour of a series of well-defined palladium N-heterocyclic carbene precatalysts (Pd-NHC) in the telomerization of butadiene with aromatic alcohols. The process was optimized by studying the influence of Pd/L ratio, of the base and of the pre-catalyst structure. The versatility of the method was tested employing a series of aromatic alcohols, including lignin-type phenols. In the context of biomass valorisation, an explorative study on the telomerization with lignin was carried out.

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钯- nhc介导芳香醇端粒化
二甲苯与醇的端粒化反应是一种将丁二烯转化为增值化学品的通用方法。芳香醇在端粒化中的应用是近年来引起人们越来越多兴趣的一个尚未开发的领域。在这篇贡献中,我们研究了一系列定义良好的钯n -杂环碳预催化剂(Pd-NHC)在丁二烯与芳香醇端粒化中的催化行为。通过研究Pd/L比、碱和预催化剂结构对反应的影响,对反应工艺进行了优化。采用一系列芳香醇(包括木质素型酚)测试了该方法的通用性。在生物质增值的背景下,对木质素的端粒化进行了探索性研究。
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来源期刊
Journal of Catalysis
Journal of Catalysis 工程技术-工程:化工
CiteScore
12.30
自引率
5.50%
发文量
447
审稿时长
31 days
期刊介绍: The Journal of Catalysis publishes scholarly articles on both heterogeneous and homogeneous catalysis, covering a wide range of chemical transformations. These include various types of catalysis, such as those mediated by photons, plasmons, and electrons. The focus of the studies is to understand the relationship between catalytic function and the underlying chemical properties of surfaces and metal complexes. The articles in the journal offer innovative concepts and explore the synthesis and kinetics of inorganic solids and homogeneous complexes. Furthermore, they discuss spectroscopic techniques for characterizing catalysts, investigate the interaction of probes and reacting species with catalysts, and employ theoretical methods. The research presented in the journal should have direct relevance to the field of catalytic processes, addressing either fundamental aspects or applications of catalysis.
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