trans-{Ta(2,6-dimethylphenoxide)Cl₄(diethyl ether)}

Base Information

• Chemical Name: trans-{Ta(2,6-dimethylphenoxide)Cl₄(diethyl ether)}
• CAS No.: 126217-45-6
• Molecular Formula: C₁₂H₁₉Cl₄O₂Ta
• Molecular Weight: 518.042
• Mol file: 126217-45-6.mol

Synonyms:trans-{Ta(2,6-dimethylphenoxide)Cl₄(diethyl ether)}

Chemical Property of trans-{Ta(2,6-dimethylphenoxide)Cl₄(diethyl ether)}

Chemical Property:

Purity/Quality:

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MSDS Files:

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Technology Process of trans-{Ta(2,6-dimethylphenoxide)Cl₄(diethyl ether)}

There total 1 articles about trans-{Ta(2,6-dimethylphenoxide)Cl₄(diethyl ether)} 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%

1,3-dimethyl-2-trimethylsilyloxybenzene (16286-54-7) + tantalum pentachloride (7721-01-9) → trans-{Ta(2,6-dimethylphenoxide)Cl4(diethyl ether)} (126217-45-6)

Guidance literature:

With diethyl ether; In dichloromethane; N2 atmosphere; dropwise addn. of ligand to slurry of TaCl5 in CH2Cl2 (stirring), pptn., stirring (30 min), dropwise addn. of Et2O (until all ppt. dissolved), stirring (room temp, 24 h); removal of solvent (vac.), washing (pentane),crystn. on cooling (-20°C, 2 days), filtration off, washing (pentane), drying (vac.), recrystn. (pentane, -30°C); elem. anal.;

Reference yield: 71.0%

Ta{C6H3(CH3)2O}Cl4{O(C2H5)2} (126217-45-6) + niobium pentachloride (10026-12-7) → Ta{N(C2H5)2}{C6H3(CH3)2O}Cl3{O(C2H5)2} (132322-82-8)

Guidance literature:

In diethyl ether; neat Me3SiNEt2 added to soln. of Ta(DMP)Cl4(OEt2) (N2); after 48h mixt. worked up; soln. pumped to dryness, soln. in Et2O cooled to -30°C; elem. anal.;

DOI:10.1016/S0277-5387(00)86800-X

Reference yield: 9.7%

trans-{Ta(2,6-dimethylphenoxide)Cl4(diethyl ether)} (126217-45-6) + hex-3-yne (928-49-4) → (η6-C6Et6)Ta(2,6-dimethylphenoxide)Cl2 (126217-47-8)

Guidance literature:

With Na amalgam; In dichloromethane; N2 atmpsphere; addn. of 3-hexyne and Na amalgam to soln. of Ta-complex (-30°C), shaking (8-10 min), stirring (room temp., 1 h); filtration (Celite), removal of solvent (vac.), dissolving (Et2O), crystn. on cooling (-30°C), filtration off, drying (vac.), (recrystn. (-30°C, Et2O); elem. anal.;

upstream raw materials:

1,3-dimethyl-2-trimethylsilyloxybenzene

tantalum pentachloride

Downstream raw materials:

(η6-C6Et6)Ta(2,6-dimethylphenoxide)Cl2

Ta{N(C₂H₅)2}{C₆H₃(CH₃)2O}Cl₃{O(C₂H₅)2}