Journal of the Chemical Society. Chemical communications p. 1537 - 1538 (1992)
Update date:2022-09-26
Topics:
Grigg, Ronald
Hadjisoteriou, Maria
Kennewell, Peter
Markandu, Jasothara
Oximes possessing alk-γ- or -δ-enyl substituents are cyclised by phenylselenyl bromide, or by phenylselenyl chloride and an appropriate silver salt, to the corresponding cyclic nitrones; the seleno nitrones undergo facially specific cycloadditions with N-methylmaleimide, bis(alk-γ,δ-enyl) and bis(alk-δ,δ-enyl) ketones undergo regiospecific cyclisation and stereospecific cycloaddition to furnish spirocyclic products.
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