112473-30-0Relevant articles and documents
Grafting of Copper(I)-NHC Species on MCM-41: Homogeneous versus Heterogeneous Catalysis
Garcs, Karin,Fernndez-Alvarez, Francisco J.,Garca-Ordua, Pilar,Lahoz, Fernando J.,Prez-Torrente, Jess J.,Oro, Luis A.
, p. 2501 - 2507 (2015)
The copper(I) complexes [Cu(X){2,6-diisopropylphenyl-NHC-(CH2)3Si(OiPr)3}] (X=Cl (2a); I (2b), NHC=N-heterocyclic carbene) have been synthesized and characterized. Furthermore, the structure of 2b has been confirmed by X-r
Cu(I)-N heterocyclic carbene complexes: Synthesis, catalysis and DFT studies
Dinda, Joydev,Roymahapatra, Gourisankar,Sarkar, Deblina,Mondal, Tapan K.,Al-Deyab, Salem S.,Sinha, Chittaranjan,Hwang, Wen–Shu
, p. 449 - 456 (2017)
The structural, spectroscopic and catalytic properties of the two Cu(I) complexes [Cu2(L1)2](PF6)2;(1) and [Cu2(L2)2](PF6)2; (2), bearing proligands 2,6-bis-(N-methyli
HOMOGENEOUS CATALYSIS VIII. CARBENE-TRANSITION-METAL COMPLEXES AS HYDROSILYLATION CATALYSTS
Lappert, Michael F.,Maskell, Robin K.
, p. 217 - 228 (1984)
Some carbene-transition-metal complexes, particularly those of rhodium(I) but also of ruthenium(II), have proved to be effective catalysts for the hydrosilylation (e.g., using SiHEt3 or SiH2Ph2) of ketones (to afford silyl ethers) or alkynes.The addition
Cationic Dirhodium Complexes Bridged by 2-Phosphinopyridines Having an Exquisitely Positioned Axial Shielding Group: A Molecular Design for Enhancing the Catalytic Activity of the Dirhodium Core
Ohnishi, Ryuhei,Ohta, Hidetoshi,Mori, Shigeki,Hayashi, Minoru
, p. 2678 - 2690 (2021/07/31)
This report describes a strategy to create highly electrophilic dirhodium catalysts. The electrophilicity of lantern-Type dirhodium complexes is generally decreased by the coordination of a ligand to the axial site, which often causes a reduction in the catalytic activity. We designed and synthesized a series of cationic dirhodium complexes bridged by 2-diarylphosphinopyridines having a bulky 2,4,6-Triisopropylphenyl (Tip) group that can prevent the attack of external molecules to the closest axial site. Theoretical calculations indicated that the Tip group weakly interacts with the axial site but hardly reduces the electrophilicity of the dirhodium core. The complexes served as excellent catalyst precursors for the dehydrogenative silylation of alcohols using hydrosilanes under mild conditions and a low metal loading, producing the silyl ethers in higher yields in comparison to conventional dirhodium complexes.
The synthesis, properties, and reactivity of Lewis acidic aminoboranes
Bentley, Jordan N.,Simoes, Selvyn A.,Pradhan, Ekadashi,Zeng, Tao,Caputo, Christopher B.
supporting information, p. 4796 - 4802 (2021/06/11)
The evolution of frustrated Lewis pair chemistry has led to significant research into the development of new Lewis acidic boranes. Much of this has focused on modifying aryl substituents rather than introducing heteroatoms bound to boron. We recently reported that bis(pentafluorophenyl)phenothiazylborane (1) could be used as a Lewis acid catalyst for the heterolytic dehydrocoupling of stannanes. In this work, we synthesize and characterize a family of Lewis acidic aminoboranes and explored their reactivity with various Lewis bases as well as their efficacy as catalysts for stannane dehydrocoupling and hydrosilylation. Quantum chemical calculations were undertaken to understand the origins of the Lewis acidity and the most Lewis acidic aminoborane (5) was found to be an effective catalyst even in coordinating solvents such as water or acetonitrile, suggesting the amino substituent provides a level of protection against competing donors.
Rhodium(I) complexes with N-heterocyclic carbene ligands: synthesis, biological properties and catalytic activity in the hydrosilylation of aromatic ketones
Hamdi, Naceur,Slimani, Ichraf,Mansour, Lamjed,Alresheedi, Faisal,?zdemir, Ismail,Gürbüz, Nevin
, p. 2558 - 2579 (2021/10/23)
New rhodium(I) N-heterocyclic carbene (NHC) complexes 3a–f were synthesized in good yields by the reactions of rhodium dimer [Rh(OMe)(cycloocta-1,5-diene:COD)]2 with benzimidazolium salts 2a–f in tetrahydrofuran. All the complexes were characte
