Noémie Beaucage, Zujhar Singh, Jérémie Bourdon, Prof. Shawn K. Collins
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引用次数: 0
摘要
以低能光波长为媒介的光催化技术有望实现更安全、可持续的合成方法。研究人员利用具有较大双光子吸收（TPA）截面的菲罗啉配体 bathocupSani，构建了一种异质配合物 [Cu(bathocupSani)(DPEPhos)]BF4，以及一种同质配合物 [Cu(bathocupSani)2]BF4。配体和各自与铜的同性络合物在红光下呈现出反斯托克斯位移为 1.2 eV 的双光子上转换。配合物 [Cu(bathocupSani)2]BF4促进了能量转移光催化，使苄胺氧化二聚、硫化物氧化、膦氧化、硼酸氧化和原子转移自由基加成成为可能。
Tuning Co-Operative Energy Transfer in Copper(I) Complexes Using Two-Photon Absorbing Diimine-Based Ligand Sensitizers
Photocatalysis mediated by low energy light wavelengths has potential to enable safer, sustainable synthetic methods. A phenanthroline-derived ligand bathocupSani, with a large two-photon absorption (TPA) cross section was used to construct a heteroleptic complex [Cu(bathocupSani)(DPEPhos)]BF4 and a homoleptic complex [Cu(bathocupSani)2]BF4. The ligand and the respective homoleptic complex with copper exhibit two-photon upconversion with an anti-Stokes shift of 1.2 eV using red light. The complex [Cu(bathocupSani)2]BF4 promoted energy transfer photocatalysis enabling oxidative dimerization of benzylic amines, sulfide oxidation, phosphine oxidation, boronic acid oxidation and atom-transfer radical addition.
期刊介绍：
Angewandte Chemie, a journal of the German Chemical Society (GDCh), maintains a leading position among scholarly journals in general chemistry with an impressive Impact Factor of 16.6 (2022 Journal Citation Reports, Clarivate, 2023). Published weekly in a reader-friendly format, it features new articles almost every day. Established in 1887, Angewandte Chemie is a prominent chemistry journal, offering a dynamic blend of Review-type articles, Highlights, Communications, and Research Articles on a weekly basis, making it unique in the field.
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