Ruthenium complexes of phosphine-amide based ligands as efficient catalysts for transfer hydrogenation reactions

Yadav Samanta; Vijayan Paranthaman; Yadav Sunil; Gupta Rajeev

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Ruthenium complexes of phosphine-amide based ligands as efficient catalysts for transfer hydrogenation reactions

机译：膦酰胺基配体的钌配合物作为转移氢化反应的有效催化剂

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This work presents three mononuclear Ru(ii) complexes of tridentate phosphine-carboxamide based ligands providing a NNP coordination environment. The octahedral Ru(ii) ion shows additional coordination with co-ligands; CO, Cl and CH3OH. All three Ru(ii) complexes were thoroughly characterized including their crystal structures. These Ru(ii) complexes were utilized as catalysts for the transfer hydrogenation of assorted carbonyl compounds, including some challenging biologically relevant substrates, using isopropanol as the hydrogen source. The binding studies illustrated the coordination of the isopropoxide ion by replacing a Ru-ligated chloride ion followed by the generation of the Ru-H intermediate that was isolated and characterized and was found to be involved in the catalysis.

机译：这项工作提出了三个单核钌（ii）配合物的三齿膦羧酰胺为基础的配体提供了一个NNP协调环境。八面体Ru（ii）离子显示出与共配体的额外配位；CO、Cl和CH3OH。所有三种钌（ii）配合物都进行了完整的表征，包括它们的晶体结构。这些钌（ii）配合物被用作各种羰基化合物的转移氢化催化剂，包括一些具有挑战性的生物相关底物，使用异丙醇作为氢源。结合研究表明，通过替换Ru连接的氯离子，然后生成分离和表征的Ru-H中间体，并发现其参与催化作用，异丙醇离子发生了配位。

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《Dalton transactions: An international journal of inorganic chemistry》 |2021年第9期|共11页
作者
Yadav Samanta; Vijayan Paranthaman; Yadav Sunil; Gupta Rajeev;
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Univ Delhi Dept Chem Delhi 110007 India;

Univ Delhi Dept Chem Delhi 110007 India;

Univ Delhi Dept Chem Delhi 110007 India;

Univ Delhi Dept Chem Delhi 110007 India;

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正文语种 eng
中图分类化学;无机化学;
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Ruthenium complexes of phosphine-amide based ligands as efficient catalysts for transfer hydrogenation reactions

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