1186198-22-0

Basic information

• Product Name: (1,8-di-tert-butylbenzyl-1,4,8,11-tetraazacyclotetradecane)zirconium dichloride
• CAS NO: 1186198-22-0
• Molecular Weight: 765.121
• Mol File: 1186198-22-0.mol

Chemical Properties

• CAS DataBase Reference: (1,8-di-tert-butylbenzyl-1,4,8,11-tetraazacyclotetradecane)zirconium dichloride(CAS DataBase Reference)
• NIST Chemistry Reference: (1,8-di-tert-butylbenzyl-1,4,8,11-tetraazacyclotetradecane)zirconium dichloride(1186198-22-0)
• EPA Substance Registry System: (1,8-di-tert-butylbenzyl-1,4,8,11-tetraazacyclotetradecane)zirconium dichloride(1186198-22-0)

Safety Data

• Hazardous Substances Data: 1186198-22-0(Hazardous Substances Data)

Upstream product

• 159224-13-2 ((methyl)₃SiCH₂)₂ZrCl₂(diethyl ether)₂ 
• 1186198-19-5 H₂(3,5-di(tert-butyl)benzyl)cyclam 

Relevant articles and documents

trans-Disubstituted diamido/diamine cyclam zirconium complexes

The reaction of H2[1,8-dibenzyl-1,4,8,11-tetraazacyclotetradecane] (H2Bn2Cyclam) with 2 equiv of LiBu gives Li2Bn2Cyclam(L)2 (L = Et2O or THF) that reacts with ZrCl4(THF)2 to afford (Bn2Cyclam)ZrCl2 in 40% yield. Alternatively (Bn2Cyclam)ZrCl2 may be obtained via ZrCl2(CH2SiMe3)2(Et2O)2 in a significantly higher yield (87%), avoiding the lithiation of H2Bn2Cyclam. The syntheses of other H2*Bn2Cyclam ligand precursors (*Bn = 3,5-dimethylbenzyl and 3,5-di(tert-butyl)benzyl) and the corresponding Zr derivatives ({3,5-Me2Bn}2-Cyclam)ZrCl2 and ({3,5-tBu2Bn}2-Cyclam)ZrCl2 are also reported. Results on preliminary tests of ε-caprolactone and ethylene polymerisation reactions are presented.