pentacarbonyl(ethoxyphenylmethylene)chromium⁽⁰⁾

Base Information

• Chemical Name: pentacarbonyl(ethoxyphenylmethylene)chromium⁽⁰⁾
• CAS No.: 26160-57-6
• Molecular Formula: C₁₄H₁₀CrO₆
• Molecular Weight: 326.226
• Mol file: 26160-57-6.mol

Synonyms:pentacarbonyl(ethoxyphenylmethylene)chromium⁽⁰⁾

Chemical Property of pentacarbonyl(ethoxyphenylmethylene)chromium⁽⁰⁾

Chemical Property:

Purity/Quality:

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MSDS Files:

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Technology Process of pentacarbonyl(ethoxyphenylmethylene)chromium⁽⁰⁾

There total 2 articles about pentacarbonyl(ethoxyphenylmethylene)chromium⁽⁰⁾ 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%

triethyloxonium fluoroborate (368-39-8) + phenyllithium (591-51-5) + chromium(0) hexacarbonyl (199620-14-9,13007-92-6) → pentacarbonyl(ethoxyphenylmethylene)chromium(0) (26160-57-6)

Guidance literature:

phenyllithium; With n-butyllithium; In tetrahydrofuran; at 0 - 20 ℃; for 1h;

chromium⁽⁰⁾ hexacarbonyl; In tetrahydrofuran; at 20 ℃; for 0.5h;

triethyloxonium fluoroborate; Cooling with ice;

DOI:10.24820/ARK.5550190.P011.296

Reference yield: 57.0%

bromobenzene (108-86-1,52753-63-6) + triethyloxonium fluoroborate (368-39-8) + chromium(0) hexacarbonyl (199620-14-9,13007-92-6) → pentacarbonyl(ethoxyphenylmethylene)chromium(0) (26160-57-6)

Guidance literature:

With n-butyllithium; In tetrahydrofuran; diethyl ether; water; N2-atmosphere; addn. of slight excess BuLi to PhBr (in ether), stirring for 10 min, addn. to Cr-complex soln. (THF) at room temp., stirring for 2 h, solvent removal (vac.), dissoln. in H2O, portionwise addn. of OEt3BF4, stirring for 5 min; extn. of aq. layer into ether, solvent removal (vac.), chromy. (SiO2, petroleum ether);

DOI:10.1016/S0022-328X(96)06764-2

Reference yield: 100.0%

3-Pyrroline (109-96-6,760178-50-5) + pentacarbonyl(ethoxyphenylmethylene)chromium(0) (26160-57-6) → (CO)5CrC(C6H5)(NCH2(CH)2CH2)

Guidance literature:

In diethyl ether; N2 atmosphere; room temp., 30 min; solvent evapd.; chromy. (silica gel) with petroleum ether/CH2Cl2; recrystn. from petroleum/CH2Cl2; elem. anal.;

DOI:10.1016/0022-328X(88)87082-7

upstream raw materials:

bromobenzene

triethyloxonium fluoroborate

chromium⁽⁰⁾ hexacarbonyl

phenyllithium

Downstream raw materials:

5-ethoxy-2,5-diphenyl-4,4-bis-trifluoromethyl-4,5-dihydro-oxazole

Cr(CO)5(SCC(C₆H₅)C(C₆H₅)SS)

pentacarbonyl(pyridine)chromium⁽⁰⁾

α-ethoxy-α-ethylthiotoluene