bis(1-methyl-2-phenyl-1,2-azaborolyl)(tetrahydrofuran)yttrium chloride

Base Information

• Chemical Name: bis(1-methyl-2-phenyl-1,2-azaborolyl)(tetrahydrofuran)yttrium chloride
• CAS No.: 1038922-44-9
• Molecular Formula: C₂₄H₃₀B₂ClN₂OY
• Molecular Weight: 508.496
• Mol file: 1038922-44-9.mol

Synonyms:

Chemical Property of bis(1-methyl-2-phenyl-1,2-azaborolyl)(tetrahydrofuran)yttrium chloride

Chemical Property:

Purity/Quality:

Safty Information:

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MSDS Files:

Useful:

Technology Process of bis(1-methyl-2-phenyl-1,2-azaborolyl)(tetrahydrofuran)yttrium chloride

There total 1 articles about bis(1-methyl-2-phenyl-1,2-azaborolyl)(tetrahydrofuran)yttrium chloride 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:

2,3-dihydro-1-methyl-2-phenyl-1H-1,2-azaborol-3-yllithium + [YCl3(tetrahydrofuran)3] (84147-94-4) → meso-bis(1-methyl-2-phenyl-1,2-azaborolyl)(tetrahydrofuran)yttrium chloride (1038922-44-9,1038400-10-0) + racemic-bis(1-methyl-2-phenyl-1,2-azaborolyl)(tetrahydrofuran)yttrium chloride

Guidance literature:

In tetrahydrofuran; Li salt of ligand and Y complex treated with THF at 0°C; refluxedat 70°C for 3 h; solvent removed; dissolved in toluene; concd.; crystd. at -30°C; rinsed with pentane; dried in vac.; elem. anal.; mixt. of meso and racemic isomers (1:3) of Y complex obtained;

DOI:10.1021/om800073s

Reference yield: 27.0%

bis(1-methyl-2-phenyl-1,2-azaborolyl)(tetrahydrofuran)yttrium chloride (1038922-44-9,1038400-10-0) + trimethylsilylmethyllithium (1822-00-0) → meso-bis(1-methyl-2-phenyl-1,2-azaborolyl)(tetrahydrofuran)(trimethylsilylmethyl)yttrium (1038922-43-8,1038400-11-1) + racemic-bis(1-methyl-2-phenyl-1,2-azaborolyl)(tetrahydrofuran)(trimethylsilylmethyl)yttrium

Guidance literature:

In tetrahydrofuran; soln. of LiCH2SiMe3 in THF added dropwise to soln. of Y complex in THF at -78°C; stirred (-78°C, 2 h and 25°C, 20 min); solvent removed; extd. (toluene); filtered; filtrate concd.; layered with hexane; crystd. (-30°C, 2 d); recrystd. by slow diffusion of hexane into toluene soln. (meso and rac isomers 1:3); recrystd. from hexane-toluene (rac isomer); elem. anal.;

DOI:10.1021/om800073s

upstream raw materials:

[YCl₃(tetrahydrofuran)3]

Downstream raw materials:

meso-bis(1-methyl-2-phenyl-1,2-azaborolyl)(tetrahydrofuran)(trimethylsilylmethyl)yttrium