{Ph-C(NSiMe₃)2}2ZrCl₂

Base Information

• Chemical Name: {Ph-C(NSiMe₃)2}2ZrCl₂
• CAS No.: 114186-05-9
• Molecular Formula: C₂₆H₄₆Cl₂N₄Si₄Zr
• Molecular Weight: 689.15
• Mol file: 114186-05-9.mol

Synonyms:

Chemical Property of {Ph-C(NSiMe₃)2}2ZrCl₂

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of {Ph-C(NSiMe₃)2}2ZrCl₂

There total 5 articles about {Ph-C(NSiMe₃)2}2ZrCl₂ 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: 55.0%

Li[PhC(N(trimethylsilane))2]N,N,N',N'-tetramethylethylenediamine (148422-47-3) + zirconium(IV) chloride (10026-11-6) → {Ph-C(NSiMe3)2}2ZrCl2 (114186-05-9)

Guidance literature:

In toluene; byproducts: LiCl, TMEDA; absence of air and moisture; stirring at room temp. for 24 h; filtration off of LiCl, evapn., washing (Et2O-hexane);

DOI:10.1016/0022-328X(95)05576-B

Reference yield: 54.0%

zirconium(IV) chloride (10026-11-6) + benzonitrile (100-47-0) + lithium hexamethyldisilazane (4039-32-1) → 4,4-dichloro-2,6-diphenyl-1,3,5,7-tetrakis(trimethylsilyl)-1,3,5,7-tetraaza-4-zirconaspiro{3.3}heptane (114186-05-9)

Guidance literature:

In dichloromethane; byproducts: LiCl; N2 atmosphere, addn. of ZrCl4 to 2 equiv. Li-compound and PhCN, pptn.; recrystn. (CH2Cl2); elem. anal.;

Reference yield:

{Ph-C(NSiMe3)2}2ZrCl2 + tetraphenyl phosphonium chloride (2001-45-8) → {Ph-C(NSiMe3)2}2ZrCl2 (114186-05-9) + (PPh4)2{ZrCl6}*CH2Cl2

Guidance literature:

With CH₂Cl₂; In dichloromethane; soln. of Zr-complex; dropwise addn. of PPh4Cl soln. under stirring; 2 h; solvent partially removed; cooled down to 6°C; crystn. within 24 h; (PhC(NSiMe3)2)2ZrCl2 not isolated; elem. anal.; IR;

upstream raw materials:

15-crown-5

sodium fluoride

Li[PhC(N(trimethylsilane))2]N,N,N',N'-tetramethylethylenediamine

zirconium(IV) chloride

Downstream raw materials:

diallylbis[N,N'-bis(trimethylsilyl)benzamidinato]zirconium

Refernces

• 1、 Hershovics-Korine, Dorit,Eisen, Moris S.. "Bis(trimethylsilyl) benzamidinate zirconium dichlorides. Active catalysts for ethylene polymerization". . p. 307 - 314. Retrieved 2007/10/03.