(η(5)-C5H5)Nb(NC6H3(i-Pr)2-2,6)(PMe3)2

Base Information

• Chemical Name: (η(5)-C5H5)Nb(NC6H3(i-Pr)2-2,6)(PMe3)2
• CAS No.: 307313-27-5
• Molecular Formula: C₂₃H₄₀NNbP₂
• Molecular Weight: 485.431
• Mol file: 307313-27-5.mol

Synonyms:

Chemical Property of (η(5)-C5H5)Nb(NC6H3(i-Pr)2-2,6)(PMe3)2

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (η(5)-C5H5)Nb(NC6H3(i-Pr)2-2,6)(PMe3)2

There total 2 articles about (η(5)-C5H5)Nb(NC6H3(i-Pr)2-2,6)(PMe3)2 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: 83.0%

(η5-cyclopentadienyl)(2,6-diisopropylphenylimido)niobium dichloride + trimethylphosphane (594-09-2) → (η(5)-C5H5)Nb(NC6H3(i-Pr)2-2,6)(PMe3)2 (307313-27-5)

Guidance literature:

With Mg; In tetrahydrofuran; PMe3 added to mixt. of Mg and Nb complex (molar ratio 2.1:5:1) in THF; stirred overnight; volatiles removed in vac.; extd. with hexane; filtered; solvent removed from filtrate; elem. anal.;

DOI:10.1039/b103362j

Reference yield:

(η(5)-C5H5)Nb(Me2SiNC6H3(i-Pr)2-2,6)(H)(Cl)(PMe3) (391257-43-5,391257-44-6,307313-25-3) + methyllithium (917-54-4) → (η(5)-C5H5)Nb(NC6H3(i-Pr)2-2,6)(PMe3)2 (307313-27-5)

Guidance literature:

In not given; byproducts: HSiMe3; 1 equiv. of MaLi added to Nb complex; not isolated; monitored by (1)H NMR spectroscopy;

DOI:10.1039/b103362j

Reference yield: 97.0%

dimethylmonochlorosilane (1066-35-9) + (η(5)-C5H5)Nb(NC6H3(i-Pr)2-2,6)(PMe3)2 (307313-27-5) → (η(5)-C5H5)Nb(Me2SiNC6H3(i-Pr)2-2,6)(H)(Cl)(PMe3) (391257-43-5,391257-44-6,307313-25-3) + [Nb(η5-cyclopentadienyl)(μ-N-2,6-C6H3(i-Pr)2)Cl]2

Guidance literature:

In pentane; excess of ligand added to suspn. of Nb complex in pentane; kept for 5 d; filtered; crystals washed with cold pentane; dried in vac.; second crop obtained from the filtrate by reducing in vol. and crystn. over 3 d; elem. anal.; two isomers (10:1) obtained;

DOI:10.1039/b103362j

upstream raw materials:

trimethylphosphane

(η(5)-C5H5)Nb(Me2SiNC6H3(i-Pr)2-2,6)(H)(Cl)(PMe3)

methyllithium

Downstream raw materials:

(η(5)-C5H5)Nb(Me2SiNC6H3(i-Pr)2-2,6)(H)(Cl)(PMe3)

Cp((2,6-diisopropylphenyl)Nb(PMe₃)(Cl)(SiMeClH)

Cp((2,6-diisopropylphenyl)Nb(PMe₃)H(SiPh₂Cl)

Cp((2,6-diisopropylphenyl)Nb(PMe₃)H(SiCl₃)