Dimethylsilylbis(cyclopentadienyl)zirconium dichloride

Base Information

• Chemical Name: Dimethylsilylbis(cyclopentadienyl)zirconium dichloride
• CAS No.: 86050-32-0
• Molecular Formula: C12H14Cl2SiZr
• Molecular Weight: 348.459
• Mol file: 86050-32-0.mol

Synonyms:Silane,di-1,3-cyclopentadien-1-yldimethyl-, zirconium complex;Dichloro(dimethylsilylenebis(h5-cyclopentadienylidene))zirconium;Dichloro[dimethylsilylenebis(h5-cyclopentadienylidene)]zirconium;Dichloro[dimethylsilylenebis(cyclopentadienylidene)]zirconium;Dichloro[dimethylsilylenebis-h5-cyclopentadienyl]zirconium;Dimethylsilanediylbis(cyclopentadienyl)zirconiumdichloride;Dimethylsilyl bis(cyclopentadienyl)zirconium dichloride;Dimethylsilylenebis(cyclopentadienyl)zirconium dichloride;

Chemical Property of Dimethylsilylbis(cyclopentadienyl)zirconium dichloride

Chemical Property:

• PSA: 0.00000
• LogP: 4.22980
• Sensitive.: moisture sensitive

Purity/Quality:

98%Min ^*data from raw suppliers

[Dimethylbis(cyclopentadienyl)silyl]zirconium dichloride, min. 98% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Dimethylsilylbis(cyclopentadienyl)zirconium dichloride

There total 10 articles about Dimethylsilylbis(cyclopentadienyl)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: 94.0%

zirconium(IV) chloride (10026-11-6) + dimethylsilanediylbis(cyclopentadienylmethyl) dilithium salt → dimethylsilylenebiscyclopentadienylzirconium dichloride (86050-32-0)

Guidance literature:

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

Reference yield: 51.0%

ZrCl4(tetrahydrofuran)2 + dimethylsilanediylbis(cyclopentadienylmethyl) dilithium salt → dimethylsilylenebiscyclopentadienylzirconium dichloride (86050-32-0)

Guidance literature:

In tetrahydrofuran; toluene; dry Ar-atmosphere; slow addn. of ligand (in THF) to equimolar amt. of Zr-compd. (in PhMe) at -10°C, stirring at room temp. for 14 h; solvent removal (vac.), washing (cold hexane), extn. into CH2Cl2 (Soxhlet), concn., cooling to 0°C (pptn.), recrystn. (PhMe/hexane);

DOI:10.1016/S0022-328X(99)00362-9

Reference yield: 50.0%

zirconium(IV) chloride (10026-11-6) + di-cyclopenta-1,4-dienyl-dimethyl-silane (84714-04-5) → dimethylsilylenebiscyclopentadienylzirconium dichloride (86050-32-0)

Guidance literature:

With n-butyllithium; In diethyl ether; hexane; byproducts: butane, LiCl; (Ar); addn. of a soln. of lithium compd. in hexane to a soln. of ligand in Et2O, stirring for 8 h at room temp., cooling to -78°C, addn. of ZrCl4, warming to room temp. within 6 h, stirring for 6 h; evapn., suspn. in CH2Cl2, filtration through Na2SO4, evapn., washing with pentane and Et2O, crystn. (CH2Cl2, -28°C);

DOI:10.1016/S0022-328X(02)01673-X

upstream raw materials:

zirconium(IV) chloride

bis-(cyclopentadienyl)dimethylsilane

lithium

di-cyclopenta-1,4-dienyl-dimethyl-silane

Downstream raw materials:

zirconocene dichloride

(CH₃)2Si(C₅H₄)2ZrCl(CH₃)

[Zr((SiMe2)(η(5)-C5H4)2)(CH2CMe2Ph)2]

Me2Al(μ-OSiMe2C(CH3)3)2AlMeCl