Synthesis of dendrimer based polymeric and macrocyclic complexes with a platinum-acetylide π-conjugated organometallic core

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Abstract

A three-layered poly(benzyl ether) dendrimer having a bis-ethynylbenzene core was synthesized and characterized with 1H NMR and MALDI-TOF-MS spectroscopy. The dendrimer was reacted with platinum complexes to obtain platinum-acetylide based organometallic polymers. When the dendrimer was reacted with trans-[PtCl2(PEt3)2], a high molecular weight polymeric compound was formed, whereas, with cis-[PtCl2dppp], a uniform molecular weight compound was formed, which was found to be a dimeric metallacycle by 1H NMR, 31P NMR and ESI-TOF-MS spectroscopy. Both these complexes exhibited relatively a strong emission around 440 nm, indicating that they could be potential candidates for blue emitting polymer LEDs.

Original languageEnglish
Pages (from-to)334-338
Number of pages5
JournalMacromolecular Research
Volume13
Issue number4
DOIs
Publication statusPublished - 2005 Jan 1

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All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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