Oxidative addition of a mechanically entrapped C(sp)-C(sp) bond to a rhodium(I) pincer complex.,Angewandte Chemie International Edition

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Oxidative addition of a mechanically entrapped C(sp)-C(sp) bond to a rhodium(I) pincer complex.
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2020-09-15 , DOI: 10.1002/anie.202009546
Baptiste Leforestier ₁ , Matthew R Gyton ₁ , Adrian B Chaplin ₁

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By use of a macrocyclic phosphinite pincer ligand and bulky substrate substituents, we demonstrate how the mechanical bond can be leveraged to promote the oxidative addition of an interlocked 1,3‐diyne to a rhodium(I) center. The resulting rhodium(III) bis(alkynyl) product can be trapped out by reaction with carbon monoxide or intercepted through irreversible reaction with dihydrogen, resulting in selective hydrogenolysis of the C−C σ‐bond.

中文翻译：

机械捕获的 C(sp)-C(sp) 键与铑 (I) 钳配合物的氧化加成。

通过使用大环次膦酸酯钳配体和庞大的底物取代基，我们演示了如何利用机械键来促进互锁的 1,3-二炔氧化加成到铑 (I) 中心。生成的铑(III)双(炔基)产物可以通过与一氧化碳反应被捕获，或者通过与氢气的不可逆反应被拦截，导致CC σ键的选择性氢解。

更新日期：2020-09-15

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