DIMETHYLBIS(T-BUTYLCYCLOPENTADIENYL)ZIRCONIUM

Base Information

• Chemical Name: DIMETHYLBIS(T-BUTYLCYCLOPENTADIENYL)ZIRCONIUM
• CAS No.: 68193-40-8
• Molecular Formula: C20H32 Zr
• Molecular Weight: 363.698
• Mol file: 68193-40-8.mol

Synonyms:1,3-Cyclopentadiene,1-(1,1-dimethylethyl)-, zirconium complex; Bis(tert-butylcyclopentadienyl)dimethylzirconium;Bis(h5-tert-butylcyclopentadienyl)dimethylzirconium

Chemical Property of DIMETHYLBIS(T-BUTYLCYCLOPENTADIENYL)ZIRCONIUM

Chemical Property:

• PSA: 0.00000
• LogP: 6.04320
• Sensitive.: air sensitive, moisture sensitiv

Purity/Quality:

99% ^*data from raw suppliers

Dimethylbis(t-butylcyclopentadienyl)zirconium, min. 98% ^*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 DIMETHYLBIS(T-BUTYLCYCLOPENTADIENYL)ZIRCONIUM

There total 1 articles about DIMETHYLBIS(T-BUTYLCYCLOPENTADIENYL)ZIRCONIUM 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: 70.0%

bis(tert-butylcyclopentadienyl)zirconium dichloride + methyllithium (917-54-4) → (Me3CCp)2ZrMe2 (68193-40-8)

Guidance literature:

In diethyl ether; byproducts: LiCl; A soln. of MeLi in ether was added to a suspn. of complex in ether at -20°C, warmed to 0°C (inert atm.);; evapd., sublimed;;

DOI:10.1016/S0022-328X(00)93312-6

Reference yield: 95.0%

(Me3CCp)2ZrMe2 (68193-40-8) + di-tert-butyl-(2-hydroxyphenyl)phosphane (57542-89-9) → (tBuC5H4)2Zr(Me)(OC6H4P(tBu)2)

Guidance literature:

In hexane; for 72h;

DOI:10.1021/acs.organomet.6b00027

Reference yield: 88.0%

trimethyl(prop-1-ynyl)silane (6224-91-5) + (Me3CCp)2ZrMe2 (68193-40-8) + (PhMe2NH)(B(4-C6H4F)4) (136763-54-7) → {(((CH3)3C)C5H4)2ZrC(Si(CH3)3)C(CH3)2}(1+)*{B(C6H4F)4}(1-)*0.5CH2Cl2 = {C25H41SiZr}{B(C6H4F)4}*0.5CH2Cl2

Guidance literature:

In further solvent(s); byproducts: CH4, N(CH3)2C6H5; (Ar or N2), soln. of (Si(CH3)3)CC(CH3) in bromobenzene added at -30°C, stirred mixture warmed to 25°C; filtered, hexane added, recrystd. from CH2Cl2/hexane, dried in vacuo, elem. anal.;

DOI:10.1021/om00057a024

upstream raw materials:

methyllithium

Downstream raw materials:

(Me3CCp)2Zr(μ-O)Zr(CH3)(CpCMe3)2

Refernces

• 1、 Bühl, Michael,Hopp, Gudrun,Von Philipsborn, Wolfgang,Beck, Stefan,Prosenc, Marc-Heinrich,Rief, Ursula,Brintzinger, Hans-Herbert. "Zirconium-91 chemical shifts and line widths as indicators of coordination geometry distortions in zirconocene complexes". . p. 778 - 785. Retrieved 2008/10/08.
• 2、 Erker, Gerhard,Nolte, Rainer,Tainturier, Gérard,Rheingold, Arnold. "Hindered η-cyclopentadienyl-metal rotation caused by lateral interaction of Cp-bonded substituents at chalcogen-bridged binuclear bent metallocene complexes [(RCp)2ZrX]2". . p. 454 - 460. Retrieved 2008/10/08.