54051-41-1Relevant academic research and scientific papers
Photoinduced elimination in 2,3-dihydro-2-tert -butyl-3-benzyl-4(1 h)-quinazolinone: Theoretical calculations and radical trapping using TEMPO derivatives
Cabrera-Rivera, Fanny Araceli,Ortz-Nava, Claudia,Escalante, Jaime,Hernández-Pérez, Julio M.,H?, Minhhuy
supporting information; experimental part, p. 1057 - 1063 (2012/06/17)
Photochemical irradiation of 2,3-dihydro-2-tert-butyl-3-benzyl-4(1H)- quinazolinone produced 3-benzyl-4(3H)-quinazolinone through photoinduced elimination via a radical mechanism. The use of photochemical conditions such as chloroform and UV irradiation (δ= 254 nm) got the 3-benzyl-4(3H)- quinazolinone in a high yield. Some theoretical calculations were achieved to explain the mechanism and the presence of radical intermediates was confirmed by trapping with different 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) derivatives. Georg Thieme Verlag Stuttgart · New York.
Electron transfer between a carbon-centered and nitroxide radicals. A CIDNP study
Ananchenko, Gennady,Fischer, Hanns
, p. 1887 - 1889 (2007/10/03)
A chemically induced dynamic nuclear polarization (CIDNP) study of electron transfer between a carbon-centred and nitroxide radicals was presented. The radicals were generated by laser pulse photolysis of the ketone precursors 2,2,4,4-tetramethylpentan-3-one (di-tert-butyl ketone, 1) for tert-butyl and 2,4-dihydroxy-2,4-dimethylpentan-3-one (di-POH-ketone, 2) for 2-hydroxy-2-propyl (POH) in the absence and in the presence of nitroxides. Results showed that the different rate constants for reaction of tBu and POH with nitroxides reflect different reaction mechanisms.
