146943-76-2Relevant articles and documents
Electronic Spectra and Photochemical Properties of Acetyldihydroquinolinones
Bakalova, Snezhana,Kavrakova, Ivanka
, p. 1775 - 1778 (2007/10/02)
The absorption and luminescence properties of 6-acetyl-2,3-dihydro-4(1H)-quinolinone are described and compared to those of the parent 2,3-dihydro-4(1H)-quinolinone.The character of the electronic transitions is determined by PPP quantum chemical calculations.An N-acyl migration leading to the formation of 6-acetyl-2,3-dihydro-4(1H)-quinolinone takes place upon UV irradiation or heating with polyphosphoric acid of 1-acetyl-2,3-dihydro-4(1H)-quinolinone.A radical mechanism of the photochemical rearrangement is proposed. Key words: Dihydroquinolinone, Fluorescence, Rearrangement, Photochemical Properties