bis[1,2-bis(diphenylphosphino)ethane]bromodiazenidotungsten

Base Information

Chemical Name:bis[1,2-bis(diphenylphosphino)ethane]bromodiazenidotungsten
CAS No.:61004-59-9
Molecular Formula:C₅₂H₄₉BrN₂P₄W
Molecular Weight:1089.62
Hs Code.:

Synonyms:bis[1,2-bis(diphenylphosphino)ethane]bromodiazenidotungsten

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Chemical Property of bis[1,2-bis(diphenylphosphino)ethane]bromodiazenidotungsten

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Technology Process of bis[1,2-bis(diphenylphosphino)ethane]bromodiazenidotungsten

There total 3 articles about bis[1,2-bis(diphenylphosphino)ethane]bromodiazenidotungsten 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: 80.0%

: [WBr₂(NH:NH)(dppe)2]

: 61004-59-9
bis[1,2-bis(diphenylphosphino)ethane]bromodiazenidotungsten

Guidance literature:: With triethylamine; In methanol; byproducts: HNEt3Br; N2-atmosphere or vac.; addn. of excess Et3N to W-complex (stirring), stirring for 2 h (pptn.); filtration, washing (water, MeOH, Et2O), drying; elem. anal.;
DOI:10.1039/DT9760001520

Reference yield:

: Br((C₆H₅)2PCH₂CH₂P(C₆H₅)2)2W(NNH₂)⁽¹⁺⁾*Br^(1-)={Br((C₆H₅)2PCH₂CH₂P(C₆H₅)2)2W(NNH₂)}Br

: 61004-59-9
bis[1,2-bis(diphenylphosphino)ethane]bromodiazenidotungsten

Guidance literature:: With triethylamine; In not given;
DOI:10.1246/bcsj.54.1773

Reference yield:

: trans-bis[1,2-bis(diphenylphosphino)ethane]bis(dinitrogen)tungsten⁽⁰⁾

: 61004-59-9
bis[1,2-bis(diphenylphosphino)ethane]bromodiazenidotungsten

: W⁽³⁺⁾*Br^(1-)*N₂H₂^(2-)*2(C₆H₅)2PCH₂CH₂P(C₆H₅)2=WBr(N₂H₂)((C₆H₅)2PCH₂CH₂P(C₆H₅)2)2

: 7727-37-9
nitrogen

Guidance literature:: With HBr; In tetrahydrofuran; in vac.; condensing THF and 1 equiv. of HBr onto W-complex, stirring at 20°C for 4 d (pptn.); filtration, drying, washing (MeOH); mixt. with educt not sepd., detd. byIR spectroscopy;
DOI:10.1039/DT9760001520