[C₅H₄NC(CH₃)(CH₂NC₆H₂(CH₃)3)2]HfCl₂

Base Information

• Chemical Name: [C₅H₄NC(CH₃)(CH₂NC₆H₂(CH₃)3)2]HfCl₂
• CAS No.: 377755-09-4
• Molecular Formula: C₂₇H₃₃Cl₂HfN₃
• Molecular Weight: 648.975

Synonyms:

Chemical Property of [C₅H₄NC(CH₃)(CH₂NC₆H₂(CH₃)3)2]HfCl₂

Chemical Property:

Purity/Quality:

Safty Information:

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Technology Process of [C₅H₄NC(CH₃)(CH₂NC₆H₂(CH₃)3)2]HfCl₂

There total 1 articles about [C₅H₄NC(CH₃)(CH₂NC₆H₂(CH₃)3)2]HfCl₂ 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: 95.0%

chloro-trimethyl-silane (75-77-4) + [C5H4NC(CH3)(CH2NC6H2(CH3)3)2]Hf(N(CH3)2)2 (377755-08-3) → [C5H4NC(CH3)(CH2NC6H2(CH3)3)2]HfCl2 (377755-09-4)

Guidance literature:

In diethyl ether; N2; addn. of excess trimethylsilyl chloride to ether soln. of Hf complex, stirring at room temp. for 1 h; filtration, washing the solid with pentane, drying in vac.; elem. anal.;

DOI:10.1021/om0207055

Reference yield: 83.0%

[C5H4NC(CH3)(CH2NC6H2(CH3)3)2]HfCl2 (377755-09-4) + isobutylmagnesium bromide (926-62-5) → [C5H4NC(CH3)(CH2N-2,4,6-trimethylphenyl)2]Hf(i-butyl)2 (377755-10-7)

Guidance literature:

In diethyl ether; N2; addn. of 2 equivs. of i-butylmagnesium bromide as 2.0 M ether soln. to ether suspn. of Hf complex cooled to -30°C, stirring at room temp. for 10 min until the suspn. became clear; addn. of dioxane, filtration through Celite, removal of solvent in vac.,crystn. from diethyl ether at -30°C for 16 h; elem. anal.;

DOI:10.1021/om0207055

Reference yield: 64.0%

[C5H4NC(CH3)(CH2NC6H2(CH3)3)2]HfCl2 (377755-09-4) + methylmagnesium bromide (75-16-1) → [C5H4NC(CH3)(CH2NC6H2(CH3)3)2]Hf(CH3)2 (486413-26-7)

Guidance literature:

In diethyl ether; N2; cooling of suspn. of Hf complex in diethyl ether to -30°C, addn. of methylmagnesium bromide as 3.5 M soln. in diethyl ether, stirringat room temp. for 1 h until the suspn. became clear; addn. of dioxane, filtering through Celite, reduction of solvent, crystn. at -30°C over 1 d; elem. anal.;

DOI:10.1021/om0207055

upstream raw materials:

chloro-trimethyl-silane

[C₅H₄NC(CH₃)(CH₂NC₆H₂(CH₃)3)2]Hf(N(CH₃)2)2

Downstream raw materials:

[C₅H₄NC(CH₃)(CH₂N-2,4,6-trimethylphenyl)2]Hf(i-butyl)2

[C₅H₄NC(CH₃)(CH₂N-2,4,6-trimethylphenyl)2]Hf(n-propyl)2

[C₅H₄NC(CH₃)(CH₂N-2,4,6-trimethylphenyl)2]Hf(n-butyl)2

[C₅H₄NC(CH₃)(CH₂N-2,4,6-trimethylphenyl)2]Hf(i-propyl)Cl

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