[2-bis(trimethylsilyl)methyl-3-(4-methylphenyl)-2H-azaphosphirene-κRHO.]pentacarbonyltungsten(0)

Base Information

• Chemical Name: [2-bis(trimethylsilyl)methyl-3-(4-methylphenyl)-2H-azaphosphirene-κRHO.]pentacarbonyltungsten(0)
• CAS No.: 155608-06-3
• Molecular Formula: C₂₀H₂₆NO₅PSi₂W
• Molecular Weight: 631.425
• Mol file: 155608-06-3.mol

Synonyms:

Chemical Property of [2-bis(trimethylsilyl)methyl-3-(4-methylphenyl)-2H-azaphosphirene-κRHO.]pentacarbonyltungsten(0)

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of [2-bis(trimethylsilyl)methyl-3-(4-methylphenyl)-2H-azaphosphirene-κRHO.]pentacarbonyltungsten(0)

There total 2 articles about [2-bis(trimethylsilyl)methyl-3-(4-methylphenyl)-2H-azaphosphirene-κRHO.]pentacarbonyltungsten(0) 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: 49.0%

[amino(4-methylphenyl)methylene]pentacarbonyltungsten(0) + [bis(trimethylsilyl)methylene]chlorophosphane (79454-85-6) → [2-bis(trimethylsilyl)methyl-3-(4-methylphenyl)-2H-azaphosphirene-κRHO.]pentacarbonyltungsten(0) (155608-06-3)

Guidance literature:

With N(C₂H₅)3; In diethyl ether; byproducts: (C2H5)3NHCl; (N2); Si-compound and (C2H5)3N added to a soln. of W-complex at room temp.; stirred for 2 days; evapd.; pentane added; filtered; washed with pentane; concentrated; cooled to -30°C; pptd.; washed with pentane; dried in vacuo; elem. anal.;

Reference yield: 49.0%

[amino(4-methylphenyl)methylene]pentacarbonyltungsten(0) + [bis(trimethylsilyl)methylene]chlorophosphane (79454-85-6) → {[bis(trimethylsilyl)methyl(chloro)phosphane-κP]pentacarbonyltungsten(0)} (284684-50-0) + [2-bis(trimethylsilyl)methyl-3-(4-methylphenyl)-2H-azaphosphirene-κRHO.]pentacarbonyltungsten(0) (155608-06-3)

Guidance literature:

With N(C₂H₅)3; In diethyl ether; byproducts: [NH(C2H5)3]Cl; N2 atmosphere, addn. of phosphane And N(C2H5)3 to soln. of W complex at 0°C, stirring (room temp., 48 h); evapn. to dryness (0.1 mbar), extn. (pentane), filtration, washing (pentane), removement of solvent of combined organic phases (reduced pressure); elem. anal.;

DOI:10.1002/(SICI)1099-0682(199802)1998:2<257::AID-EJIC257>3.0.CO;2-H

Reference yield: 69.0%

tungsten pentacarbonyl tetrahydrofuran (36477-75-5) + [2-bis(trimethylsilyl)methyl-3-(4-methylphenyl)-2H-azaphosphirene-κRHO.]pentacarbonyltungsten(0) (155608-06-3) → CH3OC6H4CN(W(CO)5)PW(CO)5(CH(Si(CH3)3)2)

Guidance literature:

In tetrahydrofuran; byproducts: THF; a soln. of W(CO)5(THF) added to a soln. of complex at 0°C and stirred for 0.5 h; concentrated; stirred for 2 h at room temp.; evapd.; dissolved in pentane; filtered; evapd.; diethyl ether added; separated; washed with pentane; dried in vacuo; elem. anal.;

upstream raw materials:

[bis(trimethylsilyl)methylene]chlorophosphane

Downstream raw materials:

[((Me₃Si)2HC(-PCH(Ph)O-(cyclic)))W(CO)5]

pentacarbonyl[1-(bis(trimethylsilyl)methyl)-2-phenyl-1H-phosphirene-κP]tungsten(0)

(C₆H₅)2C₂P(CH((CH₃)3Si)2)W(CO)5