Synthesis, characterization, and photochemistry of Ru2(II,III) complexes of chalcogen oxides

被引：0
|
作者：
Paikar, Arpan [1 ]
Martinez, Evan A. [1 ]
Powers, David C. [1 ]
机构：
[1] Texas A&M Univ, Dept Chem, College Stn, TX 77843 USA
来源：
POLYHEDRON | 2024年 / 250卷
关键词：
Metal-oxo; Binuclear complexes; Ruthenium; Chalcogen oxides; Phosphine oxidation; ELECTRONIC-STRUCTURE; S-OXIDE; DIRUTHENIUM; PHOTODEOXYGENATION; DEOXYGENATION; MOLECULES; NITRIDE;
D O I：
10.1016/j.poly.2023.116798
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
We describe the synthesis, characterization, and photochemistry of a pair of Ru2(II,III) complexes featuring dibenzochalogen oxide ligands, which were prepared as potential photoprecursors for Ru2 oxo photochemistry. Treatment of [Ru2(chp)4H2O]BF4 with either dibenzo[b,d]thiophene 5-oxide (DBTO) or dibenzo[b,d]selenophene 5-oxide (DBSeO) affords [Ru2(chp)4DBTO]BF4 or [Ru2(chp)4DBSeO]BF4, respectively, in which the dibenzochalcogen oxide ligands display coordination through oxygen (chp = 6-chloro-2-oxypyridinate). Both dibenzochalcogen oxide complexes are characterized by NMR, UV-vis, and IR spectroscopies as well as X-ray crystallography. Photolysis (lambda = 300 nm) of [Ru2(chp)4DBTO]BF4 and [Ru2(chp)4DBSeO]BF4 effects cleavage of the chalcogen-oxygen bond and oxygen atom transfer to phosphine additives is observed. These results expand the family of potential metal-oxo photoprecursors and demonstrate new opportunities in the photochemical synthesis of reactive metal-oxygen complexes.
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页数：7
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