tetraethylammonium bromopentacarbonylchromium

Base Information

• Chemical Name: tetraethylammonium bromopentacarbonylchromium
• CAS No.: 14780-93-9
• Molecular Formula: C₅BrCrO₅*C₈H₂₀N
• Molecular Weight: 402.206
• Mol file: 14780-93-9.mol

Synonyms:tetraethylammonium bromopentacarbonylchromium

Chemical Property of tetraethylammonium bromopentacarbonylchromium

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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MSDS Files:

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Technology Process of tetraethylammonium bromopentacarbonylchromium

There total 1 articles about tetraethylammonium bromopentacarbonylchromium 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: 29.0%

(Et4N)2(HAs(Cr(CO)5)3) + benzyl bromide (100-39-0) → tetraethylammonium bromopentacarbonylchromium (14780-93-9) + (Et4N)((Br)(PhCH2)As(Cr(CO)5)2) (333956-78-8)

Guidance literature:

In tetrahydrofuran; byproducts: toluene; under N2 atm. to soln. (Et4N)(HAs(Cr(CO)5)3) in THF was added PhCH2Br, soln. was stirred in ice/water bath for 10 min, warmed to room temp. and stirred for 20 h; solvent was removed under vac., ether extract was recrystd. from hexane/CH2Cl2 - (Et4N)((Br)(PhCH2)As(Cr(CO)5)2); THF extract was recrystd. fromhexane/CH2Cl2 - (Et4N)(BrCr(CO)5); elem. anal.;

DOI:10.1021/ic0004277

Reference yield: 96.0%

tetraethylammonium bromopentacarbonylchromium (14780-93-9) + 3-(diphenylphosphino)-2-(diphenylphosphino)methyl-2-methylpropanol (157617-60-2) → [2,2-bis(diphenylphosphinomethyl)propan-1-ol-P,P']tetracarbonylchromium(0) (160490-35-7)

Guidance literature:

In tetrahydrofuran; stoich. amts., refluxing for 3 h; filtration, concn., chromy. (SiO2, acetone); elem. anal.;

DOI:10.1039/DT9940003499

Reference yield: 75.0%

tetraethylammonium bromopentacarbonylchromium (14780-93-9) + bis(diphenylstibino)methane (30224-53-4) → [Cr(CO)5((C6H5)2SbCH2Sb(C6H5)2)] (36477-51-7)

Guidance literature:

In ethanol; (N2); stirring (room temp., 24 h); filtration, washing (H2O), drying, recrystn. (CH2Cl2/n-hexane); elem. anal.;

DOI:10.1039/a707798j

upstream raw materials:

benzyl bromide

Downstream raw materials:

triphenylphosphine chromium pentacarbonyl

chromium⁽⁰⁾ hexacarbonyl

(CO)5CrP(C₆H₄F-p)3

(CO)5CrP(C₆H₄Cl-p)3