Journal of fluorescence

Excited state lactim to lactam type tautomerization reaction in 5-(4-fluorophenyl)-2-hydroxypyridine: spectroscopic study and quantum chemical calculation

A Samanta, BK Paul, S Kar, N Guchhait

Index: Samanta, Anuva; Paul, Bijan Kumar; Kar, Samiran; Guchhait, Nikhil Journal of Fluorescence, 2011 , vol. 21, # 1 p. 95 - 104

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Citation Number: 11

Abstract

Abstract The photophysical properties of 5-(4-fluorophenyl)-2-hydroxypyridine (FP2HP) have been studied by steady state and time resolved spectroscopy in combination with quantum chemical calculations. The molecule FP2HP exists as lactim and lactam form in the ground state due to small stability difference but does not undergo lactim to lactam isomerisation due to high barrier energy. Whereas in the excited state the lactim form ...