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2-D Molecular Alloy Ru-M (M = Cu, Ag, and Au) Carbonyl Clusters: Synthesis, Molecular Structure, Catalysis, and Computational Studies.

ABSTRACT: The reactions of [HRu3(CO)11]- (1) with M(I) (M = Cu, Ag, and Au) compounds such as [Cu(CH3CN)4][BF4], AgNO3, and Au(Et2S)Cl afford the 2-D molecular alloy clusters [CuRu6(CO)22]- (2), [AgRu6(CO)22]- (3), and [AuRu5(CO)19]- (4), respectively. The reactions of 2-4 with PPh3 result in mixtures of products, among which [Cu2Ru8(CO)26]2- (5), Ru4(CO)12(CuPPh3)4 (6), Ru4(CO)12(AgPPh3)4 (7), Ru(CO)3(PPh3)2 (8), and HRu3(OH)(CO)7(PPh3)3 (9) have been isolated and characterized. The molecular structures of 2-6 and 9 have been determined by single-crystal X-ray diffraction. The metal-metal bonding within 2-5 has been computationally investigated by density functional theory methods. In addition, the [NEt4]+ salts of 2-4 have been tested as catalyst precursors for transfer hydrogenation on the model substrate 4-fluoroacetophenone using iPrOH as a solvent and a hydrogen source.

SUBMITTER: Cesari C 

PROVIDER: S-EPMC9490753 | biostudies-literature | 2022 Sep

REPOSITORIES: biostudies-literature

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2-D Molecular Alloy Ru-M (M = Cu, Ag, and Au) Carbonyl Clusters: Synthesis, Molecular Structure, Catalysis, and Computational Studies.

Cesari Cristiana C   Bortoluzzi Marco M   Forti Francesca F   Gubbels Lisa L   Femoni Cristina C   Iapalucci Maria Carmela MC   Zacchini Stefano S  

Inorganic chemistry 20220907 37

The reactions of [HRu<sub>3</sub>(CO)<sub>11</sub>]<sup>-</sup> (<b>1</b>) with M(I) (M = Cu, Ag, and Au) compounds such as [Cu(CH<sub>3</sub>CN)<sub>4</sub>][BF<sub>4</sub>], AgNO<sub>3</sub>, and Au(Et<sub>2</sub>S)Cl afford the 2-D molecular alloy clusters [CuRu<sub>6</sub>(CO)<sub>22</sub>]<sup>-</sup> (<b>2</b>), [AgRu<sub>6</sub>(CO)<sub>22</sub>]<sup>-</sup> (<b>3</b>), and [AuRu<sub>5</sub>(CO)<sub>19</sub>]<sup>-</sup> (<b>4</b>), respectively. The reactions of <b>2-4</b> with PPh<sub>3  ...[more]

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