A Nona-nuclear Heterometallic Pd3Pt6 "Donut"-Shaped Cage: Molecular Recognition and Photocatalysis

被引：103
作者：
Preston, Dan [1 ]
Sutton, Joshua J. [1 ,2 ]
Gordon, Keith C. [1 ,2 ]
Crowley, James D. [1 ,2 ]
机构：
[1] Univ Otago, Dept Chem, POB 56, Dunedin, New Zealand
[2] MacDiarmid Inst Adv Mat & Nanotechnol, Wellington, New Zealand
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2018年 / 57卷 / 28期
关键词：
heterometallic compounds; host-guest chemistry; metallo-cages; photocatalysis; self-assembly; ASSEMBLED COORDINATION CAGE; BICYCLIC ENDOPEROXIDES; ELECTRON-TRANSFER; PHOTODIMERIZATION; CATALYSIS; MACROCYCLES; EXCITATION; VESSEL; GUESTS; ENERGY;
D O I：
10.1002/anie.201804745
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We report a simple, low-symmetry 2-(1-(pyridine-4-methyl)-1H-1,2,3-triazol-4-yl)pyridine ligand that has both monodentate and bidentate binding sites. With platinum(II) and/or palladium(II) ions, two examples of a new nona-nuclear metallo-assembly have been accessed. These complexes were characterized by NMR spectroscopy, electrospray mass spectrometry (ESI-MS), and in key cases, X-ray crystallography. The cages possess three clefts comprised of planar cationic panels. This structural feature enables the binding of planar aromatic guests such as anthracene. More interestingly, the heterometallic assembly was able to catalyze the light-induced [4+2] cycloaddition of anthracene with singlet oxygen.
引用
收藏
页码：8659 / 8663
页数：5
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