手性二茂铁膦-氨基酸配体：钌（II）配合物的合成、表征、电化学和配位

IF 2.1 3区化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR

Journal of Organometallic Chemistry Pub Date : 2025-08-20 DOI:10.1016/j.jorganchem.2025.123829

Andrés Terán , Loreto Hernández , Andrés Vega , Diego Sierra

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引用次数: 0

摘要

四种二茂铁膦-氨基酸配体的合成(S)-(η5-C5H4-PR2)Fe(η5-C5H4-AA) [R= Ph， AA= l-Glu(OMe) 2:5 a]；R= Cy， AA= l-Glu(OMe) 2:5 b '；R= Ph， AA= l-Pro(OMe): 5a "；R= Cy， AA= l-Pro(OMe): 5b”]通过新的合成方法得到了相应的膦硒化物5a”Se和5b”Se的两种固态x射线晶体结构。通过合成相应的硒化膦5a’Se - 5b’Se，评价了配体的电子性质和碱度性质。研究了二茂铁膦-氨基酸配体与对花素二氯化钌二聚体的配位能力，得到了4个中性配合物RuCl2(η6-C10H14){PR2-[(η5-C5H4)Fe(η5-C5H4-AA)]} [R= Ph， AA= l-Glu(OMe) 2:6 a '；R= Cy， AA= l-Glu(OMe) 2:6 b '；R= Ph， AA= l-Pro(OMe): 6a "；R= Cy， AA= l-Pro(OMe): 6b ' ']和三个阳离子配合物⟨RuCl(NCMe)(η6-C10H14){PR2-[(η5-C5H4)Fe(η5-C5H4-AA)]}⟩SbF6 [R= Ph， AA= l-Glu(OMe) 2:7 '；R= Ph， AA= l-Pro(OMe): 7a "；R= Cy， AA= l-Pro(OMe): 7b "]。采用核磁共振谱、电喷雾质谱对新配体和配合物进行了全面表征，并在铂盘电极上采用循环伏安法对其电化学性能进行了测定。

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Chiral Ferrocenylphosphine-amino acid Ligands: Synthesis, characterization, electrochemistry, and coordination to ruthenium (II) complexes

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Chiral Ferrocenylphosphine-amino acid Ligands: Synthesis, characterization, electrochemistry, and coordination to ruthenium (II) complexes

The synthesis of four ferrocenylphosphine-amino acid ligands, (S)-(η⁵-C₅H₄-PR₂)Fe(η⁵-C₅H₄-AA) [R= Ph, AA= l-Glu(OMe)₂: 5a’; R= Cy, AA= l-Glu(OMe)₂: 5b’; R= Ph, AA= l-Pro(OMe): 5a’’; R= Cy, AA= l-Pro(OMe): 5b’’] through a new synthetic method is presented along with two solid-state X-ray crystal structures of the corresponding phosphine selenides 5a’’^Se and 5b’’^Se. Electronic and basicity properties of the ligands were evaluated through the synthesis of the corresponding phosphine selenides 5a’^Se – 5b’’^Se. Coordination capabilities of the ferrocenylphosphine-amino acid ligands with the p-cymene ruthenium dichloride dimer was evaluated, affording four neutral complexes, RuCl₂(η⁶-C₁₀H₁₄){PR₂-[(η⁵-C₅H₄)Fe(η⁵-C₅H₄-AA)]} [R= Ph, AA= l-Glu(OMe)₂: 6a’; R= Cy, AA= l-Glu(OMe)₂: 6b’; R= Ph, AA= l-Pro(OMe): 6a’’; R= Cy, AA= l-Pro(OMe): 6b’’] and three cationic complexes ⟨RuCl(NCMe)(η⁶-C₁₀H₁₄){PR₂-[(η⁵-C₅H₄)Fe(η⁵-C₅H₄-AA)]}⟩SbF₆ [R= Ph, AA= l-Glu(OMe)₂: 7a’; R= Ph, AA= l-Pro(OMe): 7a’’; R= Cy, AA= l-Pro(OMe): 7b’’]. All new ligands and complexes were fully characterized by NMR spectroscopy, electrospray ionization mass spectrometry and their electrochemical properties were measured by cyclic voltammetry at a platinum disk electrode.

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来源期刊

Journal of Organometallic Chemistry 化学-无机化学与核化学

CiteScore

4.40

自引率

8.70%

发文量

221

审稿时长

36 days

期刊介绍： The Journal of Organometallic Chemistry targets original papers dealing with theoretical aspects, structural chemistry, synthesis, physical and chemical properties (including reaction mechanisms), and practical applications of organometallic compounds. Organometallic compounds are defined as compounds that contain metal - carbon bonds. The term metal includes all alkali and alkaline earth metals, all transition metals and the lanthanides and actinides in the Periodic Table. Metalloids including the elements in Group 13 and the heavier members of the Groups 14 - 16 are also included. The term chemistry includes syntheses, characterizations and reaction chemistry of all such compounds. Research reports based on use of organometallic complexes in bioorganometallic chemistry, medicine, material sciences, homogeneous catalysis and energy conversion are also welcome. The scope of the journal has been enlarged to encompass important research on organometallic complexes in bioorganometallic chemistry and material sciences, and of heavier main group elements in organometallic chemistry. The journal also publishes review articles, short communications and notes.