Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Facile α-bromination of cyclic enones and linear enals involving N-bromosuccinimide and 1–2 equiv of pyridine-N-oxide is reported herein. α-Bromination of linear enals was found to proceed with double bond geometry retention. ... Facile direct α-bromination of cyclic enones and ...