Add time:09/05/2019         Source:sciencedirect.com

Publisher SummaryThis chapter discusses the organometallic complexes of pyridines and benzannulated pyridines.The general trends in the coordination modes of the five-membered heterocycles are analyzed in the chapter. Trends in the coordination chemistry of variously substituted pyridines follow from the analysis of the modes of their protonation and molecular complex formation; the nature of pyridyl and quinolyl molecules, ions, and radicals; and those for acridine. The complexes of pyridines with non-transition and early transition elements are discussed in the chapter. Complexes of pyridines with chromium group derivatives involves common coordination modes and η6-(π)-coordination mode. The optimal way for their synthesis is to start with the pyridine ligands containing bulky alkyl or silyl substituents in the ortho positions of the heteroring. The chapter also discusses the complexes of pyridines with manganese, iron, cobalt, and nickel group derivatives. The chemical and photochemical properties of the η1 (N)-coordinated and variously substituted Group VI and VII carbonyl derivatives as well as their analogues are also reviewed in the chapter. Organometallic chemistry in the cobalt group is entirely a list of various η1 (N) coordinated species.

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