Stabilized Ru[(H2O)6]3+ in Confined Spaces (MOFs and Zeolites) Catalyzes the Imination of Primary Alcohols under Atmospheric Conditions with Wide Scope,ACS Catalysis

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Stabilized Ru[(H2O)6]3+ in Confined Spaces (MOFs and Zeolites) Catalyzes the Imination of Primary Alcohols under Atmospheric Conditions with Wide Scope
ACS Catalysis ( IF 11.3 ) Pub Date : 2018-09-28 00:00:00 , DOI: 10.1021/acscatal.8b03228
Marta Mon ₁ , Rosa Adam ₂ , Jesús Ferrando−Soria ₁ , Avelino Corma ₂ , Donatella Armentano ₃ , Emilio Pardo ₁ , Antonio Leyva−Pérez ₂

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Imines are ubiquitous intermediates in organic synthesis, and the metal–mediated imination of alcohols is one of the most direct and simple methods for their synthesis. However, reported protocols lack compatibility with many other functional groups since basic supports/media, pure oxygen atmospheres, and/or released hydrogen gas are required during reaction. Here we show that, in contrast to previous metal-catalyzed methods, hexa-aqueous Ru(III) catalyzes the imination of primary alcohols with very wide functional group tolerance, at slightly acid pH and under low oxygen atmospheres. The inorganic metal complex can be supported and stabilized, integrally, within either faujasite-type zeolites (Y and X) or a metal organic framework (MOF), to give a reusable heterogeneous catalyst which provides an industrially viable process well below the flammability limit of alcohols and amines.

中文翻译：

密闭空间（MOF和沸石）中稳定的Ru [（H ₂ O）₆ ] ³⁺催化大范围大气环境下伯醇的胺化

亚胺是有机合成中普遍存在的中间体，金属介导的醇类亚胺化是最直接，最简单的合成方法之一。然而，已报道的方案缺乏与许多其他官能团的相容性，因为在反应过程中需要碱性载体/介质，纯氧气氛和/或释放的氢气。在这里，我们表明，与以前的金属催化方法相比，六水Ru（III）可以在弱酸pH值和低氧气氛下催化具有非常宽泛的官能团耐受性的伯醇的酰亚胺化。可以在八面沸石（Y和X）或金属有机骨架（MOF）中整体负载和稳定无机金属配合物，

更新日期：2018-09-28

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