4.4 Article

Pyridine-fused coumarins: a new class of ligands for ruthenium complexes with enhanced spectral absorption

Journal

TETRAHEDRON LETTERS
Volume 41, Issue 8, Pages 1175-1177

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(99)02255-8

Keywords

coumarins; pyridines; dyes; ruthenium and compounds

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New 2,4-diaryl chromeno[3,4c]pyridin-5-ones were prepared starting from beta-ketoester, salicylacylaldehydes and 2-acetylpyridine. Some ruthenium(II) complexes using these cyclometallating ligands were also synthesized. (C) 2000 Elsevier Science Ltd. All rights reserved.

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