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Selective Catalytic Behavior of a Phosphine-Tagged Metal-Organic Framework Organocatalyst

机译:膦标记的金属有机骨架有机催化剂的选择性催化行为

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摘要

Steric hindrance by a metal-organic framework (MOF) is shown to influence the outcome of a catalytic reaction by controlling the orientation of its intermediates. This is demonstrated using an organocatalyst, phosphine MOF LSK-3, which is evaluated with the aid of molecular modeling and NMR spectroscopy techniques. This report is the first application of phosphine MOFs in organocatalysis and explores the potential of a framework steric hindrance to impose selectivity on a catalytic reaction. These findings expand the opportunities for control and design of the active site in the pocket of heterogeneous catalysts.
机译:通过金属有机骨架(MOF)形成的立体位阻可通过控制其中间体的方向来影响催化反应的结果。使用有机催化剂膦MOF LSK-3证明了这一点,该方法借助分子建模和NMR光谱技术进行了评估。该报告是膦MOF在有机催化中的首次应用,并探讨了构架空间位阻对催化反应施加选择性的潜力。这些发现扩大了控制和设计非均相催化剂口袋中活性位的机会。

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