Journal of East China Normal University (Natural Sciences) 2010 (4): 125-130
"α-Halogenation of carbonyl compounds with 1,3-dihalo-5,5-dimethylhydantoin"
CHEN Zi-zhan, GUAN Xi-xia, ZHENG Zu-biao, ZOU Xin-zhuo
http://202.101.26.143/jwk_zkb/EN/abstra ... 4487.shtml (can't find any DOI...)
By the way, if anyone knows a good synthetic path for alphabromination of the ketone function of acetylpyridine derivatives (without formation of perbromide or hydrobromide perbromide), I'd be very gratefull for sharing !
Thanks by advance
!!