96390-95-3Relevant academic research and scientific papers
Enthalpies of reaction of [(p-cymene)OsCl2]2 with monodentate tertiary phosphine ligands. Importance of steric and electronic ligand factors in an osmium(II) system
Huang, Jinkun,Serron, Scafford,Nolan, Steven P.
, p. 4004 - 4008 (2008/10/08)
The enthalpies of reaction of [OsCl2(p-cymene)]2 (1) (p-cymene = η6-CH3C6H4CH(CH 3)2) with a series of monodentate phosphines (PR3), leading to the formation of OsCl2(p-cymene)-(PR3) complexes, have been measured by anaerobic calorimetry in CH2Cl2 at 30°C. These reactions are rapid and quantitative. The overall relative order of stability established is as follows: PPh(NC4H4)2 4H4)3 3C6H4)3 2(NC4H4) 3 6H4)3 3C6H4)3 6H4)3 3 3 iPr3 3OC6H4)3 4H8)3 2Me 2 3 3. A quantitative analysis of ligand effects for the present data helps clarify the exact steric versus electronic ligand contributions to the enthalpy of reaction in this system. Both steric and electronic factors appear to play an important role in dictating the magnitude of the enthalpy of reaction. The data are compared to the previously studied RuCl2(p-cymene)(PR3) system.
Aromaten(phosphan)metall-Komplexe; XIII. Osmium(II)- und Osmium(0)-Komplexe mit p-Cymen als aromatischem Liganden
Werner, H.,Zenkert, K.
, p. 151 - 166 (2007/10/02)
An improved synthesis of 2 (1) using OsCl3.3H2O as the starting material is described. 1 reacts with PMe3, PPh3 and CO by Cl bridge cleavage to give (p-Cym)OsCl2(L) (2-4).Replacement of the chloride ligands in 1 and 2 (L = PMe3) by iodide le
Dinuclear p-Cymeneosmium Hydride Complexes; the Measurement of (187)Os Chemical Shifts using (1)H- Two-dimensional N.M.R. Spectroscopy
Cabeza, Javier A.,Mann, Brian E.,Brevard, Christian,Maitlis, Peter M.
, p. 65 - 67 (2007/10/02)
The reaction of (pc = η6-p-cymene, 4-isopropyltoluene) with propan-2-ol gives , but only in the presence of a salt (KPF6); J((187)Os-H) between 60.8 and 83.3 Hz have been measured for this complex and for (1+) (X=Y=H; X=H, Y=OAc; and X=OAc, Y=Cl) with the (187)Os chemical shift of , > at δ -2526 p.p.m. (referenced to OsO4), as measured by (1)H- two-dimensional n.m.r. spectroscopy, confirming the structures.
Mononuclear η6-p-Cymeneosmium(II) Complexes and their Reactions with Al2Me6 and other Methylating Reagents
Cabeza, Javier A.,Maitlis, Peter M.
, p. 573 - 578 (2007/10/02)
An improved-yield synthesis of the η-p-cymeneosmium(II) chloride complex (1) has allowed the development of the chemistry of the mononuclear complexes, (2) .Thes
