Bis(trimethylsilylcyclopentadienyl)zirconium dichloride

Base Information

• Chemical Name: Bis(trimethylsilylcyclopentadienyl)zirconium dichloride
• CAS No.: 60938-59-2
• Molecular Formula: C16H26Cl2Si2Zr
• Molecular Weight: 436.683
• Hs Code.: 29319090
• Mol file: 60938-59-2.mol

Synonyms:Silane,1,3-cyclopentadien-1-yltrimethyl-, zirconium complex;Bis(trimethylsilylcyclopentadienyl)zirconiumdichloride;Dichlorobis(h5-(trimethylsilyl)cyclopentadienyl)zirconium;

Chemical Property of Bis(trimethylsilylcyclopentadienyl)zirconium dichloride

Chemical Property:

• PSA: 0.00000
• LogP: 6.18420

Purity/Quality:

98%Min ^*data from raw suppliers

Bis[(trimethylsilyl)cyclopentadienyl]zirconiumdichloride ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Bis(trimethylsilylcyclopentadienyl)zirconium dichloride

There total 12 articles about Bis(trimethylsilylcyclopentadienyl)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: 85.0%

(1,3-bis(trimethylsilyl)cyclopentadienyl)zirconium trichloride + trimethylsilylcyclopentadiene (3559-74-8) → bis(trimethylsilylcyclopentadienyl)zirconium(IV) dichloride (60938-59-2)

Guidance literature:

In benzene; mixt. refluxed for 18 h; mixt. filtered; volatiles evapd.;

Reference yield: 84.0%

zirconium(IV) chloride (10026-11-6) + lithium trimethylsilylcyclopentadienide → bis(trimethylsilylcyclopentadienyl)zirconium(IV) dichloride (60938-59-2)

Guidance literature:

In tetrahydrofuran; addn. of ZrCl4 at 0°C to freshly prepared C5H4Si(CH3)3Li in THF with stirring over 0.5 h, mixture stirred for further 24 h at 20°C; THF removed under vac., residue extd. with boiling toluene and little activated charcoal, filtered, addn. of hexane to filtrate, cooling to -30°C, elem. anal.;

DOI:10.1039/DT9810000805

Reference yield: 75.0%

2-trimethylsilylcyclopentadiene (29943-00-8) + trimethylsilylcyclopentadiene (29942-99-2) + zirconium(IV) chloride (10026-11-6) → bis(trimethylsilylcyclopentadienyl)zirconium(IV) dichloride (60938-59-2)

Guidance literature:

With n-butyllithium; In diethyl ether; hexane; byproducts: n-butane, LiCl; addn. of soln. of n-butyllithium in hexane to soln. of isomeric mixture of cyclopentadiene derivative at -78 °C, addn. of ZrCl4 at -78 °C, stirred over night at room temp.; suspn. filtered of Na2SO4, evapn. in vac., washed with n-pentane, dried in vac;

DOI:10.1016/S0022-328X(03)00508-4

upstream raw materials:

chloro-trimethyl-silane

zirconium(IV) chloride

2-trimethylsilylcyclopentadiene

trimethylsilylcyclopentadiene

Downstream raw materials:

zirconocene dichloride

bis(trimethylsilylcyclopentadienyl)zirconium(IV) methyl chloride

[(Me3SiC5H4)2Zr(μ-H)3(Al(i-Bu)2)2][B(C6F5)4]

Refernces

• 1、 Siedle, A. R.,Newmark, R. A.,Lamanna, W. M.,Schroepfer, J. N.. "". . p. 301 - 308. Retrieved 1990.
• 2、 Pool, Jaime A.,Chirik, Paul J.. "The importance of cyclopentadienyl substituent effects in group 4 metallocene dinitrogen chemistry". . p. 286 - 295. Retrieved 2007/10/03.
• 3、 Lang, Heinrich,Weinmann, Susanne,Herres, Mathias,Weinmann, Markus,Walter, Olaf,Nuber, Bernhard,Zsolnai, Laszlo. "Alkinol- und alkindiol-funktionalisierte zirconocen-verbindungen: Synthese, struktur und reaktionsverhalten 1". . p. 49 - 61. Retrieved 2007/10/03.