N-benzyl α,β-unsaturated γ-oxoamides undergo under irradiation intramolecular hydrogen abstraction and consecutive cyclisation leading to spiranic β-lactams; Extension of the reaction to one spiranic oxapenam is also reported.
Le Blanc, Sylvie,Pete, Jean-Pierre,Piva, Olivier
p. 1993 - 1996
(2007/10/02)
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