Vladyslav Mudrak, Pascal G. Lacroix, Marine Tassé, Sonia Mallet-Ladeira, Alexander Roshal and Isabelle Malfant
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The effect of the introduction of the fluorescent <strong>A</strong> antenna within the resulting <strong>AC</strong> complex is discussed both experimentally and theoretically. The importance of the encaging parameter defined as <em>ϕ</em><strong>AC</strong>·<em>I</em><strong>AC</strong>, in which <em>I</em><strong>AC</strong> is the quantity of light absorbed by <strong>AC</strong> and <em>ϕ</em><strong>AC</strong> the quantum yield of NO release is evidenced and found to be concentration dependent. The conditions of optimization of the antenna approach to maximize <em>ϕ</em><strong><small><sub>AC</sub></small></strong>·<em>I</em><strong><small><sub>AC</sub></small></strong> are discussed. The crystal structure of [Ru<small><sup>II</sup></small>(fluorene(C6)CH<small><sub>2</sub></small>O-terpy)(bipy)(NO<small><sub>2</sub></small>)](PF<small><sub>6</sub></small>), the last intermediate in the synthesis of <strong>AC</strong> is also presented.</p>","PeriodicalId":71,"journal":{"name":"Dalton Transactions","volume":" 23","pages":" 9777-9791"},"PeriodicalIF":3.3000,"publicationDate":"2024-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/dt/d4dt01154f?page=search","citationCount":"0","resultStr":"{\"title\":\"Ruthenium nitrosyl complexes with NO release capability: the use of fluorene as an antenna†\",\"authors\":\"Vladyslav Mudrak, Pascal G. 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引用次数: 0
摘要
一种式为[RuII(fluorene(C6)CH2O-terpy)(bipy)(NO)]3+ (AC)的亚硝基钌配合物，其中 fluorene(C6) 是 9,9-二己基芴，terpy 是 2,2'；6',2''-三吡啶和 2,2'-联吡啶，并展示了与之相关的 [RuII(MeO-terpy)(bipy)(NO)]3+（C）和 9,9-二己基芴-2-羟甲基芴（A）结构单元。参考复合物 C 在 λ = 365 纳米的照射下具有释放 NO 的能力。我们从实验和理论两方面讨论了在生成的 AC 复合物中引入荧光 A 天线的影响。其中 I(AC) 是 AC 吸收的光量，Φ(AC) 是 NO 释放的量子产率。本文讨论了使 Φ(AC) x I(AC) 最大化的天线优化条件。还介绍了合成 AC 的最后一个中间体 [RuII(芴(C6)CH2O-terpy)(bipy)(NO2)](PF6)的晶体结构。
Ruthenium nitrosyl complexes with NO release capability: the use of fluorene as an antenna†
A ruthenium nitrosyl complex of formula [RuII(fluorene(C6)CH2O-terpy)(bipy)(NO)]3+ (AC) in which fluorene(C6) is the 9,9-dihexylfluorene, terpy the 2,2′;6′,2′′-terpyridine, and bipy the 2,2′-bipyridine is presented with its related [RuII(MeO-terpy)(bipy)(NO)]3+ (C) and 9,9-dihexylfluorene 2-hydroxymethylfluorene (A) building blocks. The reference complex C undergoes NO release capabilities under irradiation at λ = 365 nm. The effect of the introduction of the fluorescent A antenna within the resulting AC complex is discussed both experimentally and theoretically. The importance of the encaging parameter defined as ϕAC·IAC, in which IAC is the quantity of light absorbed by AC and ϕAC the quantum yield of NO release is evidenced and found to be concentration dependent. The conditions of optimization of the antenna approach to maximize ϕAC·IAC are discussed. The crystal structure of [RuII(fluorene(C6)CH2O-terpy)(bipy)(NO2)](PF6), the last intermediate in the synthesis of AC is also presented.
期刊介绍：
Dalton Transactions is a journal for all areas of inorganic chemistry, which encompasses the organometallic, bioinorganic and materials chemistry of the elements, with applications including synthesis, catalysis, energy conversion/storage, electrical devices and medicine. Dalton Transactions welcomes high-quality, original submissions in all of these areas and more, where the advancement of knowledge in inorganic chemistry is significant.
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