摘要 开发了一种高效的铜催化一锅法,用于从易于获得的2-碘或2-溴代苯甲酰胺,醛和叠氮化钠合成4-氨基喹唑啉。这种一锅法是通过连续的铜催化的S N Ar取代,还原,环化,氧化和互变异构进行的。以50–90%的收率获得了相应的目标产品(26个实例)。 开发了一种高效的铜催化一锅法,用于从易于获得的2-碘或2-溴代苯甲酰胺,醛和叠氮化钠合成4-氨基喹唑啉。这种一锅法是通过连续的铜催化的S N Ar取代,还原,环化,氧化和互变异构进行的。以50–90%的收率获得了相应的目标产品(26个实例)。
An efficient method to prepare 4-aminoquinazolines: Potential application to conformation-restricted bleomycin analogs
作者:Zhonglin Wei、Lianyou Zheng、Qun Dang、Xu Bai
DOI:10.1002/jhet.238
日期:2009.11
4‐aminoquinazolines were designed as conformation‐restricted bleomycinanalogs. An efficientmethod was developed to prepare the 4‐aminoquinazoline heterocyclic nucleus, which entails a two‐step one‐pot procedure leading to 4‐aminoquinazolines in good yields. The application of this method to synthesis 4‐aminoquinazoline bleomycinanalogs is envisioned. J. Heterocyclic Chem., (2009).