Practical Gas Cylinder-Free Preparations of Important Transition Metal-Based Precatalysts Requiring Gaseous Reagents,Organic Process Research & Development

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Practical Gas Cylinder-Free Preparations of Important Transition Metal-Based Precatalysts Requiring Gaseous Reagents
Organic Process Research & Development ( IF 3.1 ) Pub Date : 2021-09-09 , DOI: 10.1021/acs.oprd.1c00205
Hongwei Sun ₁ , Alexander Ahrens ₁ , Steffan K. Kristensen ₁ , Laurynas Gausas ₁ , Bjarke S. Donslund ₁ , Troels Skrydstrup ₁

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A simple and safe setup for the synthesis of a selection of important transition metal-based precatalysts is reported, all requiring low-molecular weight gaseous reagents for their preparation. Hydrogen, carbon monoxide, ethylene, and acetylene are each liberated in a controlled manner from a corresponding easy-to-handle precursor in a closed two-chamber reactor. Gas cylinders and elaborate setups/techniques connected to handling toxic and/or flammable gases as reported in the literature can thus be avoided. The corresponding precatalysts are of high relevance in the active research fields of C–H bond activation, dehydrogenation, hydrogenation, and coupling reactions. The selection of complexes shown is meant to serve as examples for the usefulness and broadness of the presented methods, allowing precatalysts requiring gaseous reagents to become available for the research community.

中文翻译：

需要气态试剂的重要过渡金属基预催化剂的实用无气瓶制备

报道了一种用于合成一系列重要的过渡金属基预催化剂的简单而安全的设置，所有这些都需要低分子量气态试剂来制备。氢气、一氧化碳、乙烯和乙炔均以受控方式从封闭的两室反应器中的相应易于处理的前体中释放出来。因此可以避免使用与处理文献中报道的有毒和/或易燃气体相关的气瓶和复杂的设置/技术。相应的预催化剂在 C-H 键活化、脱氢、加氢和偶联反应等活跃的研究领域具有重要意义。所示复合物的选择旨在作为所提出方法的有用性和广泛性的示例，

更新日期：2021-10-15

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