cis-[Cr(CO)4(η2-bis(di-orthotolylphosphino)methane)]

Base Information

Chemical Name:cis-[Cr(CO)4(η2-bis(di-orthotolylphosphino)methane)]
CAS No.:88582-14-3
Molecular Formula:C₃₃H₃₀CrO₄P₂
Molecular Weight:604.542
Hs Code.:

Synonyms:

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Chemical Property of cis-[Cr(CO)4(η2-bis(di-orthotolylphosphino)methane)]

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Technology Process of cis-[Cr(CO)4(η2-bis(di-orthotolylphosphino)methane)]

There total 2 articles about cis-[Cr(CO)4(η2-bis(di-orthotolylphosphino)methane)] 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: 92.6%

: Cr(CO)4(C₈H₁₀)

: 80058-11-3
Methylenbis

: 88582-14-3
cis-[Cr(CO)4(η2-bis(di-orthotolylphosphino)methane)]

Guidance literature:: In 2,2,4-trimethylpentane; Cr complex and ligand were refluxed in isooctane for 24 h; soln. was allowed to cool to room temp., formed crystals were filtered off, washed with isooctane and dried in vac.; elem. anal.;
DOI:10.1016/0022-328X(83)87023-5

Reference yield: 73.0%

: 14780-95-1
tetraethylammonium pentacarbonylchlorochromate⁽⁰⁾

: 80058-11-3
Methylenbis

: 88582-14-3
cis-[Cr(CO)4(η2-bis(di-orthotolylphosphino)methane)]

Guidance literature:: In dichloromethane; under N2; mixt. of Cr complex and diphosphine ligand in CH2Cl2 refluxed for 5 h; filtration, filtrate washed with water, org. phase dried over MgSO4, filtrate evapd. under vac.; elem. anal.;
DOI:10.1139/V05-254

Reference yield: 99.0%

: 88582-14-3
cis-[Cr(CO)4(η2-bis(di-orthotolylphosphino)methane)]

: 75-09-2
dichloromethane

: 74-88-4
methyl iodide

: cis-[Cr(CO)4(η2-1,1-bis(di-o-tolylphosphino)ethane)]*0.75CH2Cl2

Guidance literature:: With n-butyl lithium; In tetrahydrofuran; under N2; n-BuLi added to soln. of cis-Cr(CO)4(η2-dotpm) in THF, soln. stirred at room temp. for 1 h, addn. of MeI, stirring for 20 h; evapd. under vac., residue dissolved in CH2Cl2, washing with water, org.phase dried over MgSO4, filtrate evapd. under vac., recrystn. from CH2C l2/methanol; elem. anal.;
DOI:10.1139/V05-254