[W(.ident.CC₆H₂Me₃-2,4,6)Cl(CO)2(pyridine)2]

Base Information

Chemical Name:[W(.ident.CC₆H₂Me₃-2,4,6)Cl(CO)2(pyridine)2]
CAS No.:298704-78-6
Molecular Formula:C₂₂H₂₁ClN₂O₂W
Molecular Weight:564.724
Hs Code.:

[W(.ident.CC<sub>6</sub>H<sub>2</sub>Me<sub>3</sub>-2,4,6)Cl(CO)2(pyridine)2]

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of [W(.ident.CC₆H₂Me₃-2,4,6)Cl(CO)2(pyridine)2]

Chemical Property:

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Technology Process of [W(.ident.CC₆H₂Me₃-2,4,6)Cl(CO)2(pyridine)2]

There total 2 articles about [W(.ident.CC₆H₂Me₃-2,4,6)Cl(CO)2(pyridine)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: 95.0%

: 110-86-1
pyridine

: 79-37-8
oxalyl dichloride

: 295357-81-2
[pentacarbonyl(C(O)mesityl)tungsten](N(CH₃)4)

: 298704-78-6
trans-chlorodicarbonyl(mesitylcarbyne)bis(pyridine)tungsten

Guidance literature:: In dichloromethane; byproducts: CO, CO2, [N(CH3)4]Cl; under N2; complex in CH2Cl2 was cooled to -100°C, C2O2Cl2 in CH2Cl2 was added, mixt. was stirred (30 min, -80°C), (30 min, 0°C), the suspn. was cooled to -40°C, C5H5N was added, the mixt.was stirred at 25°C overnight; the mixt. was filtered through Celite, evapd., washed with hexane and recrystd. (CH2Cl2/hexane);
DOI:10.1021/om000129h

Reference yield: 63.0%

: 110-86-1
pyridine

: 79-37-8
oxalyl dichloride

: 14040-11-0
tungsten hexacarbonyl

: 576-83-0
2,4,6-trimethylphenyl bromide

: 298704-78-6
[W(.ident.CC₆H₂Me₃-2,4,6)Cl(CO)2(pyridine)2]

Guidance literature:: With lithium; In diethyl ether; dichloromethane; byproducts: CO; suspn. Li and bromomesitylene in Et2O was stirred for 2 days and added to suspn. W(CO)6 in Et2O, soln. was cooled (dry ice/propanone), (COCl)2 in CH2Cl2 was added, stirred for 10 min, warmed to -10°C, cooled tp -78°C, pyridine was added; decatation of supernatant, dried, recrystn. from CH2Cl2 - petroleum;
DOI:10.1016/j.ica.2004.07.061

Reference yield: 95.0%

: 298704-78-6
trans-chlorodicarbonyl(mesitylcarbyne)bis(pyridine)tungsten

: 121-45-9
phosphorous acid trimethyl ester

: 295357-82-3
trans-chlorocarbonyl(mesitylcarbyne)(P(OCH₃)3)3tungsten

Guidance literature:: In tetrahydrofuran; byproducts: CO; under N2; a soln. of the complex and P(OCH3)3 in THF was refluxed for 16 h; the soln. was cooled and filtered throught Celite, the filtrate was evapd. in vac., the residue was washed with hexane and recrystd. from (CH3CH2)2O at -80°C; elem. anal.;
DOI:10.1021/om000129h