rac-Dimethylsilylbis(1-indenyl)zirconium dichloride

Base Information

• Chemical Name: rac-Dimethylsilylbis(1-indenyl)zirconium dichloride
• CAS No.: 121009-93-6
• Molecular Formula: C₂₀H₁₈Cl₂SiZr
• Molecular Weight: 448.578
• Mol file: 121009-93-6.mol

Synonyms:Silane,di-1H-inden-1-yldimethyl-, zirconium complex; Rac-(dimethylsilylenebis(h5-1-indenyl))dichlorozirconium;Rac-[dimethylsilylbis(indenyl)zirconium dichloride;Rac-[dimethylsilylenebis(1-indenyl)]dichlorozirconium;Rac-dimethylsilylbis(1-indenyl)zirconium dichloride;Rac-dimethylsilylenebis(1-indenyl)zirconium dichloride;Rac-dimethylsilylenebis(indenyl)zirconium dichloride;rac-Dichloro[dimethylsilylenebis(1-indenylidene)]zirconium;rac-Dimethylsilylbis(indenyl)zirconium dichloride

Chemical Property of rac-Dimethylsilylbis(1-indenyl)zirconium dichloride

Chemical Property:

• Melting Point: 140 °C
• PSA: 0.00000
• LogP: 5.96260
• Sensitive.: moisture sensitive

Purity/Quality:

98% ^*data from raw suppliers

rac-Dimethylsilylbis(1-indenyl)zirconium dichloride, min. 97% ^*data from reagent suppliers

Safty Information:

• Statements: 36/37/38
• Safety Statements: 26-36/37/39

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of rac-Dimethylsilylbis(1-indenyl)zirconium dichloride

There total 2 articles about rac-Dimethylsilylbis(1-indenyl)zirconium dichloride 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: 7.0%

Li2[(1-indenyl)2SiMe2] + zirconium(IV) chloride (10026-11-6) → rac-dimethylsilylenebis(indenyl)zirconium dichloride (121009-93-6,956483-53-7,147059-57-2,119821-97-5)

Guidance literature:

With trimethyltin(IV)chloride; In tetrahydrofuran; diethyl ether; inert atmosphere; addn. of Me3SnCl to Li-salt in Et2O at -40°C, warming to room temp., evapn., addn. of ZrCl4 suspn. in THF, stirring (80°C, 4 h); evapn. (80-90°C, 1 torr), recrystn. or washing;

Reference yield: 7.0%

bis(inden-1-yl)dimethylsilane (18666-26-7,136946-83-3) + chlorotriethylstannane (994-31-0) + zirconium(IV) chloride (10026-11-6) → meso-dimethylbis(1-indenyl)zirconocene dichloride (121009-93-6,147059-57-2,119821-97-5,956483-53-7)

Guidance literature:

With n-BuLi; In diethyl ether; hexane; toluene; BuLi (416 mmol) in C6H12 added to (CH3)2Si(C9H7)2 (208 mmol) in Et2O (-40°C), stirred for 3 h at room temp., cooled, Et3SnCl (416 mmol) added, stirred for 5 h at room temp., evapd., toluene added, cooled, ZrCl4 (208 mmol) added, stirred, refluxed; filtered, to filtrate hexane added; elem. anal.;

DOI:10.1016/j.molcata.2004.12.002

Reference yield: 50.0%

meso-dimethylbis(1-indenyl)zirconocene dichloride (121009-93-6,147059-57-2,119821-97-5,956483-53-7) + methyllithium (917-54-4) → meso-dimethylbis(1-indenyl)zirconocene dimethyl (149197-69-3,460064-39-5,146814-57-5)

Guidance literature:

In diethyl ether; meso-Me2Si(1-indenyl)2ZrCl2 suspended in Et2O, cooled at -78°C, 2equiv. of CH3Li in Et2O added, after 30 min mixt. slowly warmed to room temp., stirred for 4 h; solvent removed under reduced pressure, residue extracted with anhydroustoluene, concd., cooled to -20°C; elem. anal.;

DOI:10.1016/j.molcata.2004.12.002

upstream raw materials:

zirconium(IV) chloride

bis(inden-1-yl)dimethylsilane

chlorotriethylstannane

Downstream raw materials:

zirconocene dichloride

(CH₃)2Si(C₉H₆)2ZrCl(CH₃)

bis(indenyl)zirconium(IV) dichloride

meso-dimethylbis(1-indenyl)zirconocene dimethyl