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- Title
Syntheses of Three New Pyridyl Thienopyridine Ligands via the Hurtley Reaction.
- Authors
Steen, Robert O.; Nurkkala, Lasse J.; Dunne, Simon J.
- Abstract
The tridentate pyridyl thienopyridines 5-phenyl-7-(pyridin-2-yl)thieno[2,3- c]pyridine ( L1), 7-(pyridin-2-yl)-5-(thiophen-2-yl)-thieno[2,3- c]pyridine ( L2) and 5,7-di(pyridin-2-yl)thieno[2,3- c]pyridine ( L3) have been synthesized via the Hurtley reaction. L1 and L2 were synthesized by condensing 3-bromothiophene-2-carboxylic acid with phenyl-1,3-butanedione and 1-thienyl-1,3-butanedione respectively. L3 was synthesized by condensing 3-bromothiophene-2-carboxylic acid with benzoylacetonitrile. Ring closure and a subsequent Negishi or Stille cross-coupling afforded L1, L2, and L3 in an overall yield of 20, 3, and 6%, respectively.
- Subjects
PYRIDYL compounds; PYRIDINE synthesis; LIGANDS (Chemistry); CHEMICAL reactions; COUPLING reactions (Chemistry); THIOPHENES
- Publication
Journal of Heterocyclic Chemistry, 2012, Vol 49, Issue 6, p1290
- ISSN
0022-152X
- Publication type
Article
- DOI
10.1002/jhet.903