Heteroaromatic imidazo[1,2-a]pyridines synthesis from C–H/N–H oxidative cross-coupling/cyclization
作者:Chuan He、Jing Hao、Huan Xu、Yiping Mo、Huiying Liu、Juanjuan Han、Aiwen Lei
DOI:10.1039/c2cc35927h
日期:——
A novel silver-mediated highly selective C-H/N-H oxidative cross-coupling/cyclization between 2-aminopyridines and terminal alkynes has been demonstrated. This approach provided a simple way to construct heteroaromatic imidazo[1,2-a]pyridines. By using this protocol, the marketed drug zolimidine (antiulcer) could be synthesized easily.
已经证明了新型的银介导的2-氨基吡啶和末端炔烃之间的高选择性CH / NH氧化交叉偶联/环化反应。该方法提供了构建杂芳族咪唑并[1,2-a]吡啶的简单方法。通过使用此协议,可以轻松合成市售药物zolimidine(抗溃疡)。