Synthesis and Photocatalytic sp3 C-H Bond Functionalization of Salen-Ligand-Supported Uranyl(VI) Complexes

被引：0
|
作者：
He, Jialu [1 ]
Gong, Xingxing [1 ]
Li, Yafei [1 ]
Zhao, Qianyi [2 ]
Zhu, Congqing [1 ]
机构：
[1] Nanjing Univ, Sch Chem & Chem Engn, State Key Lab Coordinat Chem, Jiangsu Key Lab Adv Organ Mat, Nanjing 210023, Jiangsu, Peoples R China
[2] Henan Normal Univ, Sch Chem & Chem Engn, Xinxiang 453007, Peoples R China
来源：
MOLECULES | 2024年 / 29卷 / 17期
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
photocatalysis; uranyl(VI); Salen ligand; uranium; sp(3) C-H bond; C-H bond activation; uranyl-Salen complexes; CRYSTAL-STRUCTURES; OXIDATION; CONSTRUCTION; DEGRADATION; MECHANISM; ARYLATION; CATALYST; ACETATE; CATION;
D O I：
10.3390/molecules29174077
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Recent years have seen increasing interest in uranyl(VI) photocatalysis. In this study, uranyl complexes were successfully synthesized from ligands <bold>L1</bold>-<bold>L6</bold> and UO2(NO3)(2)<middle dot>6H(2)O under reflux conditions, yielding products <bold>1</bold>-<bold>6</bold> with yields ranging from 30% to 50%. The complexes were thoroughly characterized using NMR spectroscopy, single-crystal X-ray diffraction, and elemental analysis. The results indicate that complexes <bold>1</bold>-<bold>5</bold> possess a pentagonal bipyramidal geometry, whereas complex <bold>6</bold> exhibits an octahedral structure. The photocatalytic properties of these novel complexes for sp(3) C-H bond functionalization were explored. The results demonstrate that complex <bold>4</bold> functions as an efficient photocatalyst for converting C-H bonds to C-C bonds via hydrogen atom transfer under blue light irradiation.
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页数：16
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