Journal
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2015, Issue 11, Pages 2366-2373Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201403521
Keywords
Supramolecular chemistry; Synthetic methods; Cross-coupling; N ligands; Luminescence
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Funding
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Centre for Self-Assembled Chemical Structures
- Universite de Montreal
- Bayerische Forschungsallianz (BayFor)
- Bayerisch-Franzosisches Hochschulzentrum (BFHZ)
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We present a general method for the preparation of bis(pyridyl-1,3,5-triazine) (dpt) ligands via Stille coupling chemistry. The synthetic procedure surpasses known trimerisation procedures in terms of yield, flexibility, and diversity, as ditopic ligands with different spacers are now available. Polythiophene spacers give rise to different colours by extending the conjugated system and increasing HOMO energy levels. The luminescence properties can be tuned by the spacers, the emission is found in the region from 300-550 nm with nanosecond lifetimes. Preliminary experiments indicate thermochromic properties for the dpt-Fe-II complexes.
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