Structure and photophysics of deazabipyridyls. Excited internally hydrogen-bonded systems with one proton transfer reaction site
- 1 January 1994
- journal article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 7,p. 1603-1610
- https://doi.org/10.1039/p29940001603
Abstract
Two deazabipyridyls, 2-(2-hydroxyphenyl)pyridin-3-ol 1 and 2-(2-pyridyl)phenol 2, are the objects of X-ray and spectroscopic studies. Their syntheses, crystal structures and photophysics in comparison with [2,2′-bipyridyl]-3,3′-diol and [2,2′-bipyridyl]-3-ol 3 are described. The influence of the molecular structure on the efficiency of the proton-transfer reaction in the S1 state is discussed. The experimental data are compared with semiempirical quantum chemical calculations.Keywords
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