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首页> 外文期刊>RSC Advances >Factors influencing the photocatalytic hydroamination of alkynes with anilines catalyzed by supported gold nanoparticles under visible light irradiation
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Factors influencing the photocatalytic hydroamination of alkynes with anilines catalyzed by supported gold nanoparticles under visible light irradiation

机译：可见光照射下负载金纳米粒子催化的苯胺对炔烃光催化的因素

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The addition of an N–H bond to CC triple bonds in the hydroamination of alkynes is of great importance in synthetic chemistry. We found that visible light irradiation can efficiently drive the direct hydroamination of alkynes using supported gold nanoparticles (AuNPs) due to its Localized Surface Plasmon Resonance (LSPR). Au NPs on nitrogen-doped TiO _(2) could successfully induce hydroamination with a very high conversion (90%) and excellent product selectivity (91% imine product). Herein, we demonstrate that for such a photocatalytic process, the intensity and wavelength of the incident light, as well as the reaction temperature have a significant impact on the performance of the catalyst. The photocatalytic activity increases with increasing light intensity and reaction temperature. This means that the AuNP photocatalysts couple both the input light energy and thermal energy to catalyze the reaction. The influence of AuNPs and the surface properties of the support materials on the photocatalytic performance are also further discussed.
机译：在炔烃的水醋酸中加入N-H键在CC三键中具有很重要的合成化学。我们发现可见光照射可以通过其局部表面等离子体共振（LSPR）有效地使用支撑的金纳米颗粒（AUNP）来有效地推动炔烃的直接水。氮掺杂TiO _（2）上的Au nps可以成功地用非常高的转化率（90％）和优异的产品选择性（91％亚胺产品）成功诱导水中。在此，我们证明，对于这种光催化过程，入射光的强度和波长，以及反应温度对催化剂的性能具有显着影响。光催化活性随着光强度和反应温度的增加而增加。这意味着AUNP光催化剂耦合输入光能和热能以催化反应。还进一步讨论了αUnps对载体材料对光催化性能的影响。

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