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

Base Information

Chemical Name:trans-[1,2-bis(diphenylphosphino)ethane]bis(dinitrogen)bis(methyldiphenylphosphine)tungsten
CAS No.:66862-44-0
Molecular Formula:C₅₂H₅₀N₄P₄W
Molecular Weight:1038.74
Hs Code.:

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

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Chemical Property of trans-[1,2-bis(diphenylphosphino)ethane]bis(dinitrogen)bis(methyldiphenylphosphine)tungsten

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Technology Process of trans-[1,2-bis(diphenylphosphino)ethane]bis(dinitrogen)bis(methyldiphenylphosphine)tungsten

There total 2 articles about trans-[1,2-bis(diphenylphosphino)ethane]bis(dinitrogen)bis(methyldiphenylphosphine)tungsten 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: 45.0%

: trans-bis(dinitrogen)tetrakis(methyldiphenylphospino)tungsten⁽⁰⁾

: 66862-44-0
trans-[1,2-bis(diphenylphosphino)ethane]bis(dinitrogen)bis(methyldiphenylphosphine)tungsten

Guidance literature:: With Ph₂PCH₂CH₂PPh₂; N₂; In tetrahydrofuran; byproducts: PMePh2; refluxing under N2 for 0.5 h; cooling to 20°C, solvent removal (vac.), solidification on standing at 0°C for 18 h, filtration, recrystn. (THF/Et2O); elem. anal.;
DOI:10.1039/DT9770002139

Reference yield: 45.0%

: 21712-53-8
[W(IV)Cl₄(1,2-bis(diphenylphosphio)ethane)]

: 7439-95-4
magnesium

: 1486-28-8
diphenyl(methyl)phosphine

: 66862-44-0
trans-[1,2-bis(diphenylphosphino)ethane]bis(dinitrogen)bis(methyldiphenylphosphine)tungsten

Guidance literature:: With N₂; In tetrahydrofuran; stirring under N2 for 18 h; filtration, solvent removal (vac.), dissoln. in C6H6, filtration (Celite), volume reduction (vac.), MeOH addn., crystn. (0°C, 18 h), filtration, washing (MeOH), drying;
DOI:10.1039/DT9770002139

Reference yield: 86.0%

: 66862-44-0
trans-[1,2-bis(diphenylphosphino)ethane]bis(dinitrogen)bis(methyldiphenylphosphine)tungsten

: WBr(NNH₂)((C₆H₅)2PCH₂CH₂P(C₆H₅)2)(P(C₆H₅)2(CH₃))2

: 7727-37-9
nitrogen

Guidance literature:: With hydrogen bromide; In tetrahydrofuran; complex was reacted with excess of HBr in THF;
DOI:10.1016/S0020-1693(00)90337-2