The NH(C)Br functionality of heteroaromatic compounds as a synthon for fused dihydrooxazoles
作者:Marek T. Cegla、Marzena Baran、Agnieszka Czarny、Marek Zylewski、Joanna Potaczek、Jeff Klenc、Lucjan Strekowski
DOI:10.1002/jhet.552
日期:2011.5
Fused dihydrooxazoles are produced by the reaction of 8‐bromoteophylline (1), 6‐bromo‐2‐pyridone (7), or 2‐bromobenzimidazole (11) with an N‐substituted N‐(2,3‐epoxypropyl)amine. The product derived from 1 undergoes rearrangement to a fused dihydrooxazine while the fused dihydrooxazoles derived from 7 and 11 are stable. J. Heterocyclic Chem., (2011).
熔融二氢恶唑是由8-溴茶碱(1),6-溴-2-吡啶酮(7)或2-溴苯并咪唑(11)与N-取代的N-(2,3-环氧丙基)胺反应制得的。衍生自1的产物进行重排,生成稠合的二氢恶嗪,而衍生自7和11的稠合的二氢恶唑稳定。J.杂环化学。(2011)。