TRIS(2 6-DIISOPROPYLPHENOXY)NIOBIUM(V)

Base Information

• Chemical Name: TRIS(2 6-DIISOPROPYLPHENOXY)NIOBIUM(V)
• CAS No.: 129896-75-9
• Molecular Formula: C₃₆H₅₁Cl₂NbO₃
• Molecular Weight: 695.612
• Mol file: 129896-75-9.mol

Synonyms:Phenol,2,6-bis(1-methylethyl)-, niobium complex;Dichlorotris(2,6-diisopropylphenolato)niobium

Chemical Property of TRIS(2 6-DIISOPROPYLPHENOXY)NIOBIUM(V)

Chemical Property:

• PSA: 66.35000
• LogP: 13.39740

Purity/Quality:

97% ^*data from raw suppliers

DICHLOROTRIS(2,6-DIISOPROPYLPHENOLATO)NIOBIUM 95.00% ^*data from reagent suppliers

Safty Information:

• Hazard Codes: C
• Statements: 34
• Safety Statements: 26-36/37/39-45

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of TRIS(2 6-DIISOPROPYLPHENOXY)NIOBIUM(V)

There total 2 articles about TRIS(2 6-DIISOPROPYLPHENOXY)NIOBIUM(V) 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: 89.0%

niobium pentachloride + 2,6-diisopropylphenol (2078-54-8) → tris(2,6-diisopropylphenoxy) dichloroniobium(V) (129896-75-9,850232-70-1)

Guidance literature:

In benzene; byproducts: HCl; absence of air and moisture; slow addn. of slight excess ligand to metalchloride, refluxing for 6 h; solvent removal; can be recrystallized (warm hexane); elem. anal.;

DOI:10.1021/ic970331l

Reference yield: 69.0%

2,6-diisopropylphenol (2078-54-8) + niobium pentachloride (10026-12-7) → tris(2,6-diisopropylphenoxy) dichloroniobium(V) (129896-75-9,850232-70-1)

Guidance literature:

In benzene; at -40 - 80 ℃; for 22h;

Reference yield: 74.0%

tetrahydrofuran (109-99-9,24979-97-3,77392-70-2) + tris(2,6-diisopropylphenoxy) dichloroniobium(V) (129896-75-9,850232-70-1) → [Nb(OC6H3Pr(i)2-2,6)2(OC6H3Pr(i)-η(2)-CMe=CH2)(C4H8O)]

Guidance literature:

With sodium amalgam; In tetrahydrofuran; N2-atmosphere; stirring (room temp., 10 h); filtering, drying (vac.), crystn. (hexane); elem. anal.;

DOI:10.1021/om9604839

upstream raw materials:

2,6-diisopropylphenol

niobium pentachloride

Downstream raw materials:

trans,mer-[Nb(OC₆H₃Pr(i)2-2,6)3Cl₂(pyridine)]

arsenic

As₂P₂

As₃P

Refernces

• 1、 Clark, Janet R.,Pulvirenti, April L.,Fanwick, Phillip E.,Sigalas, Michaelis,Eisenstein, Odile,Rothwell, Ian P.. "Structural Distortions in Six-Coordinate Adducts of Niobium(V) and Tantalum(V)". . p. 3623 - 3631. Retrieved 2008/10/09.