cis-W(CO)4(PMe₃)2

Base Information

Chemical Name:cis-W(CO)4(PMe₃)2
CAS No.:16104-05-5
Molecular Formula:C₁₀H₁₈O₄P₂W
Molecular Weight:448.048
Hs Code.:

Synonyms:

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Chemical Property of cis-W(CO)4(PMe₃)2

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Technology Process of cis-W(CO)4(PMe₃)2

There total 2 articles about cis-W(CO)4(PMe₃)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: 41.0%

: bis(triphenylphosphine)iminium threo-tetracarbinyl(1,2-dideuterio-2-phenylethyl)(trimethylphosphine)tungstenate⁽⁰⁾

: 16104-05-5,30513-08-7
cis-W(CO)4(PMe₃)2

: bis(triphenylphosphine)iminium threo-tetracarbonyl(2,3-dideuterio-3-phenylpropionylato)(trimethylphosphine)tungstenate⁽⁰⁾

Guidance literature:: With carbon dioxide; In tetrahydrofuran; a soln. of W-complex in THF was pressurized with 400 psi CO2 and rapidly stirred at ambient temp. in a stainless steel Parr reactor for 80 min,reaction was monitored by IR spectroscopy; an approx. t(1/2) od 10 min was found; depressurized, soln. was filtered through Celite, evapd. in vacuo, residue washed with ether, hexane, complexes were sepd. by three pptns. fromTHF-hexane, complete purifn. of carboxylate complex was impossible; Kinetics;
DOI:10.1021/ja00311a041

Reference yield: 34.0%

: erythro-PhCHDCHDOTs

: 2Na⁽¹⁺⁾*W(CO)4P(CH₃)3^(2-)=Na₂W(CO)4P(CH₃)3

: 99016-91-8
bis(triphenylphosphoranylidene)ammonium p-toluenesulfonate

: 14040-11-0
tungsten hexacarbonyl

: 16104-05-5,30513-08-7
cis-W(CO)4(PMe₃)2

: bis(triphenylphosphine)iminium threo-tetracarbinyl(1,2-dideuterio-2-phenylethyl)(trimethylphosphine)tungstenate⁽⁰⁾

Guidance literature:: In tetrahydrofuran; byproducts: Na[OTs]; a THF soln. of PhCHDCHDOTs was added dropwise at -78°C under inert atmosphere to a freshly prepd. soln. of W-complex in THF (IR monitoring), after the soln. was warmed to -20°C, PPN(OTs) was added, mixt. was stirred for 1 h at room temp.; reaction mixt. was centrifuged, filtered through Celite, evapd. in vacuo, complexes were sepd. by reprecipitating the resulting oil 4 times from THF-hexane (1:3);
DOI:10.1021/ja00311a041

Reference yield: 44.0%

: 14371-10-9
(E)-3-phenylpropenal

: 16104-05-5,30513-08-7
cis-W(CO)4(PMe₃)2

: 84878-89-7
tricarbonyl-cinnamaldehyde-bis(trimethylphosphan)-wolfram⁽⁰⁾

Guidance literature:: With THF; In tetrahydrofuran; Irradiation (UV/VIS); irradn. for 10 min at 263 K under N2, colour changed from yellow to red, then addition of cinnamaldehyde, keeping for 3 h at room temp.; evapn. in vac., soln. of residue in n-pentane, filtration, evapn., soln. of residue in toluene, chromy. (263 K; Kieselgel; methylene chloride/ether), recrystn. from n-hexane/toluene (2:1) or n-pentane/ether (4:1), elem. anal.;
DOI:10.1016/S0022-328X(00)93977-9