Iron(0), rhodium(I) and palladium(II) complexes with p‐(N,N‐dimethylaminophenyl) diphenylphosphine and the application of the palladium complex as a catalyst for the Suzuki–Miyaura cross‐coupling reaction

ChemInform Abstract: Synthesis and Characterization of Rhodium(I) Complexes with P—N Donor Ligands and Their Catalytic Application in Transfer Hydrogenation of Carbonyl Group.

“…A great variety of rhodium complexes with different types of bifunctional ligands containing P and N donor sites have received considerable importance in recent times for their structural novelty and catalytic activity . These P–N donor ligands show hemilabile character due to their different σ and π donor/acceptor characteristics as well as “hard” and “soft” interactions between the ligand and metal .…”

“…A great variety of rhodium complexes with different types of bifunctional ligands containing P and N donor sites have received considerable importance in recent times for their structural novelty and catalytic activity. [1][2][3][4][5][6] These P-N donor ligands show hemilabile character due to their different σ and π donor/acceptor characteristics as well as "hard" and "soft" interactions between the ligand and metal. 7,8 The chelating effect of such hemilabile ligands confer stability to metal complex and helps in creating vacant coordination sites by breaking the weak metal-ligand bond without complete dissociation.…”

The development of phosphinoamine–Pd(II)–imidazole complexes: implications in room‐temperature Suzuki–Miyauracross‐coupling reaction

“…[12][13][14] Along with other ligand environments, significant efforts have been also made in designing novel catalytic systems of Pd(0) or Pd(II) complexes with phosphine-based ligands like tertiaryphosphines, hemilabile-type phosphines, sterically crowded biphenyl-type phosphines, and imidazole-and imidazolium-functionalized phosphines. [15][16][17][18][19][20][21] Although complexes containing such ligands often show excellent activity, moisture sensitivity, [22] and the requirement for high temperature and undesirable solvents such as dimethyl formamide, Nmethylpyrrolidine and dimethoxyethane, [23] are some of the major drawbacks. Therefore the development of an eco-friendly and technologically feasible newer approach for designing highly active catalytic systems in environmentally preferred solvents for the Suzuki-Miyaura cross-coupling reaction is highly desirable.…”

“…The catalytic cycle of the Suzuki–Miyaura reaction involves activation of CX bond by Pd(0) or Pd(II) and the efficiency of the catalytic system has been achieved by changing the ligand environment around palladium . Along with other ligand environments, significant efforts have been also made in designing novel catalytic systems of Pd(0) or Pd(II) complexes with phosphine‐based ligands like tertiaryphosphines, hemilabile‐type phosphines, sterically crowded biphenyl‐type phosphines, and imidazole‐ and imidazolium‐functionalized phosphines . Although complexes containing such ligands often show excellent activity, moisture sensitivity, and the requirement for high temperature and undesirable solvents such as dimethyl formamide, N ‐methylpyrrolidine and dimethoxyethane, are some of the major drawbacks.…”

Iron carbonyl complex containing bis[2‐(diphenylphosphino)phenyl]ether enhancing efficiency in the palladium‐catalyzed Suzuki–Miyaura reaction

“…Surprisingly, the coordination chemistry of this ligand with iron has not been reported so far. Thus, as a part of our continuing work on the coordination chemistry of iron with phosphine‐based ligands, in this work we report our findings on the reactivity of [Fe 3 (CO) 12 ] with DPEphos ligand to synthesize two new iron–carbonyl complexes: [Fe(CO) 4 (η 1 ‐ P ‐DPEphos)] ( 1 ) and [Fe 2 (CO) 6 (μ‐CO)(μ‐ P , P ‐DPEphos)] ( 2 ).…”