Os(trimethylsilyl)(methyl)(CO)2(triphenylphosphine)2

Base Information

• Chemical Name: Os(trimethylsilyl)(methyl)(CO)2(triphenylphosphine)2
• CAS No.: 862509-70-4
• Molecular Formula: C₄₂H₄₂O₂OsP₂Si
• Molecular Weight: 859.027
• Mol file: 862509-70-4.mol

Synonyms:Os(trimethylsilyl)(methyl)(CO)2(triphenylphosphine)2

Chemical Property of Os(trimethylsilyl)(methyl)(CO)2(triphenylphosphine)2

Chemical Property:

Purity/Quality:

Safty Information:

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MSDS Files:

Useful:

Technology Process of Os(trimethylsilyl)(methyl)(CO)2(triphenylphosphine)2

There total 2 articles about Os(trimethylsilyl)(methyl)(CO)2(triphenylphosphine)2 which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 97.0%

Os(SiCl3)Cl(CO)(triphenylphosphine)2 + carbon monoxide (201230-82-2) + methyllithium (917-54-4) → Os(trimethylsilyl)(methyl)(CO)2(triphenylphosphine)2 (862509-70-4)

Guidance literature:

In ethanol; toluene; 5 equiv. soln. of MeLi added dropwise at 0°C to soln. of Os(SiCl3)Cl(CO)(PPh3)2 in toluene; EtOH added; mixt. stirred at room temp. for 0.5 h; CO (1 atm) was introduced; volatiles removed (vac.); residue dissolved (CH2Cl2); filtered through Celite; filtrate concd.; EtOH added; concd.; solid is formed; solid collected; washed (EtOH, hexane); dried (vac.); elem. anal.;

DOI:10.1016/j.jorganchem.2005.03.063

Reference yield: 95.0%

Os(trimethylsilyl)(methyl)(CO)(triphenylphosphine)2 (862509-69-1) + carbon monoxide (201230-82-2) → Os(trimethylsilyl)(methyl)(CO)2(triphenylphosphine)2 (862509-70-4)

Guidance literature:

In dichloromethane; CO was bubbled through soln. of Os(SiMe3)Me(CO)(PPh3)2 in CH2Cl2; EtOH added; mixt. concd.; ppt. was obtained;

DOI:10.1016/j.jorganchem.2005.03.063

Reference yield: 28.0%

Os(trimethylsilyl)(methyl)(CO)2(triphenylphosphine)2 (862509-70-4) → Os(κ2(C,P)-C6H4PPh2)H(CO)2(triphenylphosphine) (307498-17-5,83076-12-4) + Os(trimethylsilyl)(κ2(C,P)-C6H4PPh2)(CO)2(triphenylphosphine)

Guidance literature:

In toluene; Os(Si(CH3)3)(Me)(CO)2(P(C6H5)3)2 in toluene was heated under reflux for 1 h; solvent removed (vac.); residue dissolved in CH2Cl2; subjected to thin-layered chromy. on silica gel (CH2Cl2/n-hexane, 1:2 as eluent); second and third bands collected; recrystd. (CH2Cl2/EtOH); elem. anal.;

DOI:10.1016/j.jorganchem.2005.03.063

upstream raw materials:

Os(trimethylsilyl)(methyl)(CO)(triphenylphosphine)2

carbon monoxide

methyllithium

Downstream raw materials:

trans-{OsCl₂(CO)2(PPh₃)2}

Os(κ2(C,P)-C6H4PPh2)H(CO)2(triphenylphosphine)