Synthesis and Isolation of 5,6-Dihydro-4<i>H</i>-1,3-Oxazine Hydrobromides by Autocyclization of <i>N</i>-(3-Bromopropyl)amides
作者:Damodara N. Reddy、Erode N. Prabhakaran
DOI:10.1021/jo101955q
日期:2011.1.21
5,6-Dihydro-4H-1,3-oxazine hydrobromides have been synthesized by the nucleophilic autocyclo-O-alkylation of N-(3-bromopropyl)amides under neutral conditions in chloroform. It is found that electron-donating amide alpha-substituents influence the autocyclization efficiency.