Crystal structures and catalytic activities of Zn(II) compounds containing btp ligands

Ji Young Ryu, Jung Hee Han, Jun Yong Lee, Sung Jin Hong, Seung Hoon Choi, Cheal Kim, Sung Jin Kim, Youngmee Kim

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31 Scopus citations


The structures of new compounds containing Zn(II) ions and btp (2,6-bis(N′-1,2,4-triazolyl)pyridine) ligands have been determined. With coordinating chloride and bromide anions, Zn(II) produces chains 2 and 3 containing C-H⋯X(Cl or Br) weak interactions to build crystal structures and they are face-to-face aligned. With non-coordinating ClO4-andPF6- anions, Zn(II) produces monomeric compounds 4 and 5 containing H-bonds between anions and water ligands and face-to-face π-π interactions to build crystal structures. The previously reported polymeric compound 1 containing [Zn(NO 3)(H2O)2(btp)2]+ units bridged by btp ligands was found to carry out the catalytic transesterification of a range of esters with methanol at room temperature under mild conditions, whereas it did not catalyze the ring opening of epoxide (easier reaction) with methanol. These results indicate that the polymeric compound 1 shows selective reactivity. In addition, the catalyst 1 has shown even better catalytic activity than the corresponding Zn(NO3)2 salt.

Original languageEnglish
Pages (from-to)3659-3670
Number of pages12
JournalInorganica Chimica Acta
Issue number13
StatePublished - 1 Sep 2005

Bibliographical note

Funding Information:
Financial support from the Korean Science & Engineering Foundation (ABRL R14-2003-014-01-001-0) and Korea Research Foundation (2002-070-C00053 and DP0270) is gratefully acknowledged.


  • Catalyst
  • Crystal structures
  • Polymeric compounds
  • Ring opening reaction
  • Transesterification
  • Zn(II) complexes
  • btp ligand


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