Crystal structures and catalytic activities of Zn(II) compounds containing 1,3-bis(4-pyridyl)propane

Youngmee Kim, Sung Jin Kim, Seung Hoon Choi, Jung Hee Han, Sang Ho Nam, Jung Hwan Lee, Hee Jin Kim, Cheal Kim, Dong Wook Kim, Ho Gyeom Jang

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

The structures of new compounds containing Zn(II) ions and bpp (1,3-bis(4-pyridyl)propane) ligands have been determined. The coordinating halides (Br- or Cl-) produce one-dimensional compounds 6 and 7, and intra- and inter-chain C{single bond}H⋯X (X = Br or I) interactions play roles for building crystal structures with the flexible bpp ligands. The non-coordinating multiscripts(PF, 6, mml:none(), mml:none(), -) anions do not produce hydroxyl bridged zinc cations or polymeric compounds, and produce only a monomeric complex 4 containing four bpp ligands and two water ligands. Previously reported polymeric compounds 1 and 2 containing hydroxyl-bridged zinc cations [Zn2OH] were found to carry out the catalytic transesterification of a range of esters with methanol at room temperature under the mild conditions, whereas the rest of compounds did not catalyze the transesterification reactions at all. In addition, the catalysts 1 and 2 have shown even better catalytic activity than zinc salts Zn(NO3)2 and Zn(OTf)2.

Original languageEnglish
Pages (from-to)2534-2542
Number of pages9
JournalInorganica Chimica Acta
Volume359
Issue number8
DOIs
Publication statusPublished - 2006 May 15

Keywords

  • Catalyst
  • Crystal structures
  • Polymeric compounds
  • Transesterification
  • Zn(II) complexes
  • bpp ligand

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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