5727-68-4Relevant academic research and scientific papers
Insertion of arynes into arylphosphoryl amide bonds: One-step simultaneous construction of C-N and C-P bonds
Shen, Chaoren,Yang, Guoqiang,Zhang, Wanbin
supporting information, p. 5722 - 5725 (2013/12/04)
The insertion of arynes into arylphosphoryl amide bonds to synchronously construct C-P and C-N bonds is described. Arynes generated in situ from o-triflate arylsilanes under fluoride-promoted conditions insert into relatively inert P-N bonds, producing o-
Noninnocent behavior of bidentate amidophosphido [NP]2- ligands upon coordination to copper
Bezpalko, Mark W.,Foxman, Bruce M.,Thomas, Christine M.
, p. 12329 - 12331 (2013/11/19)
The synthesis and preliminary coordination chemistry of two new redox-active bidentate ligands containing amido and phosphido donors are described. Treatment of the [RNP]2- (R = Ph, 2,4,6-trimethylphenyl) ligands with CuCl2 and PMe3 results in a dimeric copper(I) P-P coupled product via ligand oxidation. The intermediate of this reaction is proposed to involve a ligand radical generated via oxidation of the [RNP]2- ligand by copper(II), and the existence of such an intermediate is probed using computational methods. Significant radical character on the phosphorus atoms of the alleged [ RNP]?-/copper(I) intermediate leads to P-P radical coupling.
Tunable hemilabile ligands for adaptive transition metal complexes
Lindner, Ronald,Van Den Bosch, Bart,Lutz, Martin,Reek, Joost N. H.,Van Der Vlugt, Jarl Ivar
experimental part, p. 499 - 510 (2011/03/21)
A new family of monoanionic hemilabile ligands L1H-L3H with a PNN donor set has been developed, based on Pd-catalyzed C-N bond formation and straightforward phosphorylation. For these structurally related compounds with a hybrid set of donor atoms, the coordination chemistry with both Rh and Ir has been studied. The anticipated hemilabile character of the dimethylamino group was assessed by NMR and IR competition experiments, using isopropyl isocyanide as exogenous substrate. Supporting DFT calculations were used to quantify the electronic differences between the various members of the ligand family. In effect, we have constructed a modular ligand class that exhibits tunable hemilability.
