Pd(II), Pt(II), and novel Hg(II) metal complexes of N-(diphenylphosphinothioyl)-2-(4-methylpyridyl) amine chelating ligand: Synthesis, characterization, X-ray structures and catalytic activity of Pd(II) derivative in the Suzuki cross-coupling reaction

IF 2.7 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Inorganica Chimica Acta Pub Date : 2024-08-22 DOI:10.1016/j.ica.2024.122325

Harbi Tomah Al-Masri , Ziad Moussa , Akram Ali Almejled

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Abstract

The reaction of monooxidized thioyl (4-CH₃)C₆H₃N-2-NH(P(S)Ph₂) (1) ligand with MCl₂(COD)(M = Pd, Pt) in equimolar ratio resulted in cis-[MCl₂{1-κ²S,N^py}] (M = Pd (2), Pt(3)) complexes. Also, The reaction of 1 with HgX₂ (X = Cl, I) produced cis-[HgX₂{1-κ²S,N^py }] (X = Cl(4), I(5)). Complexes 2–5 have been isolated and characterized by multinuclear NMR (¹H, ¹³C, and ³¹P) and IR spectroscopy. The molecular structures of 2, 4, and 5 were determined using single X-ray crystallography. 4 and 5 are the first structurally defined instances of this type of κ²S,N^py -bidentate ligand with Hg(II) metal complexes. The new palladium(II) complex 2 as a pre-catalyst in the Suzuki cross-coupling process was also investigated.

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N-(二苯基膦硫酰基)-2-(4-甲基吡啶基)胺螯合配体的钯(II)、铂(II)和新型汞(II)金属配合物：钯（II）衍生物在铃木交叉偶联反应中的合成、表征、X 射线结构和催化活性

单氧化硫酰(4-CH3)C6H3N-2-NH(P(S)Ph2)(1)配体与 MCl2(COD)(M = Pd, Pt)以等摩尔比反应生成了顺式-[MCl2{1-κ2S,Npy}] (M = Pd (2), Pt(3))配合物。此外，1 与 HgX2（X = Cl、I）反应生成了顺式-[HgX2{1-κ2S,Npy }] （X = Cl(4)、I(5)）。络合物 2-5 已经分离出来，并通过多核核磁共振（1H、13C 和 31P）和红外光谱进行了表征。利用单 X 射线晶体学确定了 2、4 和 5 的分子结构。4 和 5 是这类与 Hg（II）金属配合物的 κ2S、Npy - 双齿配体的首个结构定义实例。此外，还研究了在铃木交叉偶联过程中作为前催化剂的新型钯（II）配合物 2。

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来源期刊

Inorganica Chimica Acta 化学-无机化学与核化学

CiteScore

6.00

自引率

3.60%

发文量

440

审稿时长

35 days

期刊介绍： Inorganica Chimica Acta is an established international forum for all aspects of advanced Inorganic Chemistry. Original papers of high scientific level and interest are published in the form of Articles and Reviews. Topics covered include: • chemistry of the main group elements and the d- and f-block metals, including the synthesis, characterization and reactivity of coordination, organometallic, biomimetic, supramolecular coordination compounds, including associated computational studies; • synthesis, physico-chemical properties, applications of molecule-based nano-scaled clusters and nanomaterials designed using the principles of coordination chemistry, as well as coordination polymers (CPs), metal-organic frameworks (MOFs), metal-organic polyhedra (MPOs); • reaction mechanisms and physico-chemical investigations computational studies of metalloenzymes and their models; • applications of inorganic compounds, metallodrugs and molecule-based materials. Papers composed primarily of structural reports will typically not be considered for publication.