The interaction of hexaphenylcarbodiphosphorane with the trimethylplatinum(IV) cation

Cyclic Carbodiphosphoranes: Strongly Nucleophilic σ‐Donor Ligands

“…[8] As this type of compounds has a bent structure and shows very strong nucleophilicity, [8a] they are potential electron-rich carbon-centered ligands. Several complexes with these ligands were synthesized, [9] and recently a pincertype Rh III complex was reported with hexaphenylcarbodiphosphorane as a two-electron s ligand without any p backdonation from the metal center. [10] Despite their potential, the variety of carbodiphosphoranes is very limited, due to synthetic difficulties, particularly in the cyclization, and only one cyclic carbodiphosphorane has been isolated.…”

Synthesis, spectral characterization, and X-ray crystal structure of Pd(II) complexes containing the orthometallated C,C-chelating ligand C6H4-PPh2C(H)C(O)CH2Cl

“…The structures were solved by direct methods using SIR97 [38] and refined with SHELXL97 [39]. Hydrogens were positioned geometrically and refined using a riding model approximation, with C-H=0.93-0.98 Å and with U iso (H) = 1.2 U eq (C) or 1.5 U eq (C) for methyl H. In 4, chloride is disordered over two orientations with refined site occupancies of 0.824(2) and 0.176 (2) for the major and minor components, respectively.…”

“…toward transition metals are important in organometallic chemistry [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19]. They are versatile ligands due to their ambidentate character, in addition to their applicability in organic synthesis [20][21][22].…”

Synthesis and multinuclear NMR study of Hg(II), Cd(II), and Pd(II) complexes with biphenylmethylenetriphenylphosphorane: X-ray crystal structure of [{C6H5C6H4CO{(C6H5)3P}CH}HgI2]2

“…In the compounds reported to date, the chemical behavior of the -keto phosphorus ylides has been clearly dominated by the C form [7,8,[10][11][12][13] and very few examples of O-coordinated ylides are known [14][15][16] [17]. Although ortho-metallation reactions are common in the chemistry of platinum and this was not the first example of ortho-metallation of an ylide [18], we thought it of interest to study this reaction. In this work, we describe the preparation and spectroscopic characterization (IR and NMR) of the complexes of Hg(II), Cd(II), Pd(II), and the title ylide.…”