Formation of dicyano ruthenium(II) complex mediated by triethylamine via deprotonation of hydrazonochroman-2,4-dione

IF 1.7 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Journal of Chemical Sciences Pub Date : 2024-11-29 DOI:10.1007/s12039-024-02307-0

Reena Ravindran, Minitha R, Shiji Fazil, A. Sarau Devi

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引用次数: 0

Abstract

New ruthenium(II) complex containing cyanide anions has been isolated from the hydrazonochromandione ligand 3-(2-(4-chlorophenyl)hydrazono)chroman-2,4-dione in the presence of acetonitrile along with triethylamine from Ru(III) salt. This method is a one-pot synthetic approach for preparing dicyano Ru(II) complex. Using physicochemical and spectral techniques, the synthesized compound [Ru(CN)₂L₂]·2Et₃N⁺H was structurally described. The monoanionic bidentate character of the hydrazone ligand and coordination through carbonyl oxygen and deprotonated hydrazonochroman-2,4-dione nitrogen atom were revealed by single crystal X-ray diffraction investigation of the Ru(II) complex. Ru(II) complex is a member of the P21/n space group and monoclinic system. Ru(II) chelate rings were stabilized by intermolecular hydrogen bonds and π–π stacking interactions between ligands and triethylammonium molecules. A single phase with rod-like morphologies is imaged by SEM. The quasi-reversible single electron transfer property is exhibited by the Ru(II) complex.

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在三乙胺介导下通过肼基二氢苯并二氢吡喃-2,4-二酮的去质子化作用形成二氰基钌（II）络合物

在乙腈和三乙胺的作用下，从氢氮铬二酮配体 3-(2-(4-氯苯基)氢氮)铬-2,4-二酮中分离出了新的含氰阴离子的钌(II)络合物。这种方法是一种制备二氰基 Ru(II) 复合物的单锅合成方法。利用物理化学和光谱技术，对合成的化合物 [Ru(CN)2L2]-2Et3N+H 进行了结构描述。通过对 Ru(II) 复合物的单晶 X 射线衍射研究，发现了腙配体的单阴离子双齿特性以及通过羰基氧和去质子化腙-2,4-二酮氮原子的配位。Ru(II) 复合物属于 P21/n 空间群和单斜晶系。配体和三乙基铵分子之间的分子间氢键和 π-π 堆积相互作用稳定了 Ru(II) 螯合环。扫描电子显微镜（SEM）对具有棒状形态的单相进行了成像。Ru(II) 复合物表现出准可逆的单电子转移特性。

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来源期刊

Journal of Chemical Sciences CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

3.10

自引率

5.90%

发文量

107

审稿时长

1 months

期刊介绍： Journal of Chemical Sciences is a monthly journal published by the Indian Academy of Sciences. It formed part of the original Proceedings of the Indian Academy of Sciences – Part A, started by the Nobel Laureate Prof C V Raman in 1934, that was split in 1978 into three separate journals. It was renamed as Journal of Chemical Sciences in 2004. The journal publishes original research articles and rapid communications, covering all areas of chemical sciences. A significant feature of the journal is its special issues, brought out from time to time, devoted to conference symposia/proceedings in frontier areas of the subject, held not only in India but also in other countries.