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研究中性水溶性钌（II）-三苯基膦羰基配合物对模型亚胺配体吡啶和2,2'-联吡啶的反应活性。

Investigating the reactivity of neutral water-soluble Ru(ii)-PTA carbonyls towards the model imine ligands pyridine and 2,2'-bipyridine.

作者信息

Battistin Federica, Vidal Alessio, Balducci Gabriele, Alessio Enzo

机构信息

Department of Chemical and Pharmaceutical Sciences, University of Trieste Via L. Giorgieri 1 34127 Trieste Italy

出版信息

RSC Adv. 2020 Jul 16;10(45):26717-26727. doi: 10.1039/d0ra05898j. eCollection 2020 Jul 15.

DOI:10.1039/d0ra05898j
PMID:35515784
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9055427/
Abstract

As a continuation of our strategy for preparing new Ru(ii) precursors to be exploited as building blocks in the construction of metal-mediated supramolecular assemblies with improved solubility in water, here we describe the reactivity of selected neutral Ru(ii)-PTA carbonyls (PTA = 1,3,5-triaza-7-phosphaadamantane) towards the model imine ligands pyridine (py) and 2,2'-bipyridine (bpy) and the preparation and characterization of several neutral and cationic water-soluble derivatives: ,,-[RuCl(CO)(py)(PTA)] (7), ,,-[RuCl(CO)(py)(PTA)] (9), ,-[Ru(bpy)Cl(CO)(PTA)]Cl (10), -Ru(bpy)(CO)(PTA) (12), ,-[Ru(bpy)(CO)Cl(PTA)]Cl (13), ,-Ru(bpy)(CO)(PTA) (14NO). In addition, we found that light-induced isomerization in some bpy compounds could be induced. The following species, either side-products isolated in low yield or compounds obtained exclusively in solution, were also unambiguously identified: ,,-[RuCl(CO)(py)(PTA)] (8), -[RuCl(bpy)(CO)(PTA)] (11), ,-[Ru(bpy)Cl(CO)(PTA)]Cl (15) and ,-[Ru(bpy)(CO)Cl(PTA)]Cl (16). The X-ray structures of 7, 11·HO, and 12·7HO are also reported. All compounds are new and - with few exceptions - show a good solubility in water.

摘要

作为我们制备新型钌（II）前体策略的延续，这些前体将被用作构建具有改善的水溶性的金属介导超分子组装体的结构单元，在此我们描述了选定的中性钌（II）-PTA羰基化合物（PTA = 1,3,5-三氮杂-7-磷杂金刚烷）与模型亚胺配体吡啶（py）和2,2'-联吡啶（bpy）的反应活性，以及几种中性和阳离子水溶性衍生物的制备与表征：,,,-[RuCl(CO)(py)(PTA)] (7)，,,,-[RuCl(CO)(py)(PTA)] (9)，,-[Ru(bpy)Cl(CO)(PTA)]Cl (10)，-Ru(bpy)(CO)(PTA) (12)，,-[Ru(bpy)(CO)Cl(PTA)]Cl (13)，,-Ru(bpy)(CO)(PTA) (14NO)。此外，我们发现某些bpy化合物中可诱导光致异构化。还明确鉴定了以下物种，它们要么是低产率分离得到的副产物，要么是仅在溶液中获得的化合物：,,,-[RuCl(CO)(py)(PTA)] (8)，-[RuCl(bpy)(CO)(PTA)] (11)，,-[Ru(bpy)Cl(CO)(PTA)]Cl (15) 和,-[Ru(bpy)(CO)Cl(PTA)]Cl (16)。还报道了7、11·HO和12·7HO的X射线结构。所有化合物都是新的，并且除少数例外，在水中表现出良好的溶解性。

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