Synthesis and reactivity of β-amino-α,β-unsaturated oxa- and thiazolines
A simple and efficient route to masked β-amino-α,β-unsaturated acids 3 by reaction of metalated oxa- and thiazolines with nitriles has been developed. The reactivity of 3 has also been explored.
Fustero,Diaz,Barluenga,Aguilar
p. 3801 - 3804
(2007/10/02)
PHOTOCHEMISTRY OF 3-ARYL-2-ISOXAZOLINE
3-Phenyl-2-isoxazoline (1) was irradiated to give 4-phenyl-2-oxazoline (3), β-aminoaldehyde (14) and benzonitrile from its ?-?* singlet excited state.Several related derivatives afforded similar photoproducts on irradiation.The quantum yields of the photoreactions were dependent on the magnitudes of the singlet energies of the 2-isoxazolines. p-Cyanophenyl-2-isoxaline (1c) formed a one-to-one photoadduct (22) with benzene.
Kumagai, T.,Shimizu, K.,Kawamura, Y.,Mukai, T.
p. 3365 - 3376
(2007/10/02)
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