Yb(2,6-di-tert-butyl-4-methylphenolate)2(THF)3

Base Information

• Chemical Name: Yb(2,6-di-tert-butyl-4-methylphenolate)2(THF)3
• CAS No.: 166943-03-9
• Molecular Formula: C₄₂H₇₀O₅Yb
• Molecular Weight: 828.055
• Mol file: 166943-03-9.mol

Synonyms:

Chemical Property of Yb(2,6-di-tert-butyl-4-methylphenolate)2(THF)3

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Yb(2,6-di-tert-butyl-4-methylphenolate)2(THF)3

There total 7 articles about Yb(2,6-di-tert-butyl-4-methylphenolate)2(THF)3 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: 87.0%

ytterbium + GENERIC INORGANIC CATION; 2,6-di-tert-butyl-4-methyl-phenolate → bis(2,6-di-t-butyl-4-methylphenoxo)tris(tetrahydrofuran)ytterbium(II) (158706-11-7,166943-03-9,124206-20-8)

Guidance literature:

In tetrahydrofuran; redox transmetallation; refluxing Yb (11.6mmol) and Tl(I) phenolate (5.2mmol) in THF (40ml), 16h;; filtration; evapn. to dryness; recrystn. from THF; washing; drying under vac.; elem. anal.;;

Reference yield: 72.8%

tetrahydrofuran (109-99-9,24979-97-3,77392-70-2) + Yb[OC6H2CH3(C(CH3)3)2]2Cl(C4H8O)2*C6H5CH3 (402828-67-5) + toluene (108-88-3,15644-74-3,16713-13-6) → Yb(2,6-di-tert-butyl-4-methylphenolate)2(THF)3 (166943-03-9,158706-11-7,124206-20-8)

Guidance literature:

With sodium; In tetrahydrofuran; byproducts: NaCl; (Ar), treated with Na (1 equiv.), stirred at 40°C for 3 days; filtered, evapd.(vac.), extd.(toluene), crystd.(-5°C, few weeks),elem. anal., IR, XRD;

DOI:10.1016/S0277-5387(01)00939-1

Reference yield: 70.0%

2,6-di-tert-butyl-4-methyl-phenol (128-37-0) + ytterbium → Yb(2,6-di-tert-butyl-4-methylphenolate)2(THF)3 (166943-03-9,158706-11-7,124206-20-8)

Guidance literature:

With THF; In tetrahydrofuran; ammonia; NH3 (liquid); addn. of a soln. of the phenol in THF to Yb in liquid NH3 at -78°C, warming to 20°C;

DOI:10.1039/c39920000932

upstream raw materials:

2,6-di-tert-butyl-4-methyl-phenol

tetrahydrofuran

bis(2,6-di-t-butyl-4-methylphenoxo)bis(tetrahydrofuran)ytterbium(II)

bis(2,6-di-t-butyl-4-methylphenoxo)bis(diethylether)ytterbium(II)

Downstream raw materials:

bis(2,6-di-t-butyl-4-methylphenoxo)bis(tetrahydrofuran)ytterbium(II)

di(bis(2,6-di-tert-butyl-4-methylphenolato)(μ-fluoro)(tetrahydrofuran)ytterbium(III))

[Yb(η-C5H3(SiMe3)2)2(THF)2]

bis(2,6-di-tert-butyl-4-methylphenolato)iodobis(tetrahydrofuran)ytterbium(III)

Refernces

• 1、 Cetinkaya, Bekir,Hitchcock, Peter B.,Lappert, Michael F.,Smith, Richard G.. "The First Neutral, Mononuclear 4f Metal Thiolates and New Methods for Corresponding Aryl Oxides and Bis(trimethylsilyl)amides". . p. 932 - 934. Retrieved 2007/10/02.