dibromotricarbonyl(N-(p-tolyltriphenylphosphoranyliden)triazene)tungsten(II)

Base Information

• Chemical Name: dibromotricarbonyl(N-(p-tolyltriphenylphosphoranyliden)triazene)tungsten(II)
• CAS No.: 80594-73-6
• Molecular Formula: C₂₈H₂₂Br₂N₃O₃PW
• Molecular Weight: 823.133
• Mol file: 80594-73-6.mol

Synonyms:dibromotricarbonyl(N-(p-tolyltriphenylphosphoranyliden)triazene)tungsten(II)

Chemical Property of dibromotricarbonyl(N-(p-tolyltriphenylphosphoranyliden)triazene)tungsten(II)

Chemical Property:

Purity/Quality:

Safty Information:

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MSDS Files:

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Technology Process of dibromotricarbonyl(N-(p-tolyltriphenylphosphoranyliden)triazene)tungsten(II)

There total 1 articles about dibromotricarbonyl(N-(p-tolyltriphenylphosphoranyliden)triazene)tungsten(II) 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: 81.0%

WBr2(CO)3(P(C6H5)3)2 (18130-07-9,135820-70-1) + p-methylazidobenzene (2101-86-2) → dibromotricarbonyl(N-(p-tolyltriphenylphosphoranyliden)triazene)tungsten(II) (80594-73-6)

Guidance literature:

In dichloromethane; Cyclopentane; byproducts: N2, CH3C6H4NP(C6H5)3; azide soln. in cyclopentane adding to W complex in CH2Cl2 under N2, stirring for 10 min at 20°C, filtering, solvent removing in vaco, residue redissolving in CH2Cl2, Et2O adding dropwise, ppt. collecting, washing with warm abs. EtOH; identified by elem. anal., IR, NMR spectra and single crystal X-ray diffraction;

DOI:10.1021/ic00135a068

Reference yield: 81.0%

dibromotricarbonyl(N-(p-tolyltriphenylphosphoranyliden)triazene)tungsten(II) (80594-73-6) + sodium pyrrolidine-N-carbodithioate (872-71-9) → W(CO)2P(C6H5)3(S2CN(CH2)4)2 (80594-71-4)

Guidance literature:

With P(C₆H₅)3; In methanol; dichloromethane; W complex, PPh3 and Na dithiolate in a mixt. of CH2Cl2 and MeOH refluxing under N2 with stirring for 10 min, ppt. filtering off and washing with H2O and MeOH; identified by IR spectrum;

DOI:10.1021/ic00135a068

Reference yield: 66.0%

dibromotricarbonyl(N-(p-tolyltriphenylphosphoranyliden)triazene)tungsten(II) (80594-73-6) → WBr(CO)2((C6H5)2PCH2CH2P(C6H5)2)2(1+)*Br(1-)=WBr(CO)2((C6H5)2PCH2CH2P(C6H5)2)2Br (80010-26-0)

Guidance literature:

With P(C₆H₅)2CH₂CH₂P(C₆H₅)2; In dichloromethane; diphos addind to W complex in CH2Cl2 under N2, stirring for 1 h at ambient temp., solvent removing in vacuo, toluene adding, refluxing for 1 h,yellow ppt. filtering off and washing with hexane; identified by IR spectrum;

DOI:10.1021/ic00135a068

upstream raw materials:

WBr₂(CO)3(P(C₆H₅)3)2

p-methylazidobenzene

Downstream raw materials:

WBr(CO)2((C₆H₅)2PCH₂CH₂P(C₆H₅)2)2⁽¹⁺⁾*Br^(1-)=WBr(CO)2((C₆H₅)2PCH₂CH₂P(C₆H₅)2)2Br

W(CO)2P(C₆H₅)3(S₂CN(CH₂)4)2