Abstract
Abstract Imidazo[1,5-a]pyridin-1-ylalkyl alcohols were reacted with diphenylborinic acid to give boron complexes in which nitrogen and oxygen atoms were coordinated to a boron atom. The use of imidazo[1,5-a]pyridin-1-ylalkyl alcohol with two 2-pyridyl groups also gave a boron complex, but the nitrogen atom in a 2-pyridyl group, rather than that in an imidazopyridyl group, was coordinated to the boron atom. The molecular structures of these complexes were revealed by X-ray analyses. The fluorescence spectra of the complexes were generally observed at wavelengths shorter than those for the starting materials and well-known boron complexes of 8-hydroxyquinolines.
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