Homo- and heteroleptic zinc aminophenolates as initiators for lactide polymerization

Dalton Trans. 2008 Dec 14:(46):6556-62. doi: 10.1039/b808882a. Epub 2008 Oct 9.

Abstract

The reaction of ZnEt2 with one or two equivalents of aminophenolate ligand N-[methyl(2-hydroxy-3,5-di-tert-butylphenyl)]-N-methyl-N-cyclohexylamine gives hetero- and homoleptic molecular compounds [(micro,eta2-L2)ZnEt]2 and [Zn(eta2-L2)2]. The later is most probably a mixture of diastereoisomers that in solution shows an interesting dynamic behaviour. Both complexes as well as the BnOH derivative of the latter, [(eta2-L2)Zn(micro-BnO)]2, proved excellent initiators for lactide polymerization.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Aminophenols / chemistry*
  • Catalysis
  • Dioxanes / chemistry*
  • Ligands
  • Organometallic Compounds / chemistry*
  • Polymers / chemistry*
  • Quantum Theory
  • Zinc / chemistry*

Substances

  • Aminophenols
  • Dioxanes
  • Ligands
  • Organometallic Compounds
  • Polymers
  • dilactide
  • Zinc