BR+-INDUCED CYCLIZATION OF GAMMA,DELTA-UNSATURATED KETONES - A NEW APPROACH TO BROMOPYRAN DERIVATIVES

被引:7
作者
ANTONIOLETTI, R
MAGNANTI, S
SCETTRI, A
机构
[1] Centro C.N.R. di Studio per la Chimica delle Sostanze Organiche Naturali, Dipartimento di Chimica, Università di Roma La Sapienza, 00185 Roma, P.le Aldo Moro
关键词
D O I
10.1016/S0040-4039(00)77188-7
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
3,5-dibromo-3,4-dihydro-2,2-dimethyl-(2H)-pyrans 2, are obtained through a simple and new procedure involving a bromoenol-etherification of gamma,delta-unsaturated ketones 1; the key step is the formation of mono-bromopyran intermediate A.
引用
收藏
页码:2619 / 2620
页数:2
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