Room-temperature Chemoselective Reduction of 3-nitrostyrene to 3-vinylaniline by Ammonia Borane over Cu Nanoparticles,Journal of the American Chemical Society

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Room-temperature Chemoselective Reduction of 3-nitrostyrene to 3-vinylaniline by Ammonia Borane over Cu Nanoparticles
Journal of the American Chemical Society ( IF 14.4 ) Pub Date : 2018-11-20 , DOI: 10.1021/jacs.8b11303
Mengqi Shen ₁ , Hu Liu _{1,

2} , Chao Yu ₁ , Zhouyang Yin ₁ , Michelle Muzzio ₁ , Junrui Li ₁ , Zheng Xi ₁ , Yongsheng Yu ₂ , Shouheng Sun ₁

Affiliation

We report a new strategy of controlling catalytic activity and selectivity of Cu nanoparticles (NPs) for the ammonia borane initiated hydrogenation reaction. Cu NPs are active and selective for chemoselective reduction of nitrostyrene to vinylaniline under ambient conditions. Their activity, selectivity, and more importantly, stability are greatly enhanced by their anchoring on WO2.72 nanorods, providing a room-temperature full conversion of nitrostyrene selectively to vinylaniline (>99% yield). Compared with all other catalysts developed thus far, our new Cu/WO2.72 catalyst shows much enhanced hydrogenation selectivity and stability without the use of pressured hydrogen. The synthetic approach demonstrated here can be extended to prepare various M/WO2.72 catalysts (M = Fe, Co, Ni), with M being stabilized for many chemical reactions.

中文翻译：

氨硼烷在 Cu 纳米颗粒上室温化学选择性还原 3-硝基苯乙烯为 3-乙烯基苯胺

我们报告了一种控制氨硼烷引发的氢化反应的 Cu 纳米粒子 (NPs) 的催化活性和选择性的新策略。Cu NPs 在环境条件下对硝基苯乙烯化学选择性还原为乙烯基苯胺具有活性和选择性。它们的活性、选择性和更重要的是稳定性通过它们锚定在 WO2.72 纳米棒上而大大增强，提供了室温下硝基苯乙烯选择性地完全转化为乙烯基苯胺（>99% 产率）。与迄今为止开发的所有其他催化剂相比，我们的新型 Cu/WO2.72 催化剂在不使用加压氢气的情况下显示出大大提高的氢化选择性和稳定性。这里展示的合成方法可以扩展到制备各种 M/WO2.72 催化剂（M = Fe、Co、Ni），M 在许多化学反应中被稳定化。

更新日期：2018-11-20

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