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Abstract
Abstract The ultraviolet absorption spectra of three isomeric pyridinemethanols and their N-oxides were measured in various solvents, n–π* Absorption was observed as the shoulder absorption only in n-hexane solution of 3-pyridinemethanol, for which a qualitative discussion was made. It was also found that the substituiton of a hydroxymethyl group in 4-position of pyridine or 2-position of pyridine N-oxide caused the blue shift. To explain this fact the presence of a weak intramolecular hydrogen bond in 2-pyridinemethanol N-oxide was assumed.
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