Regio- and Stereoselective Construction of Highly Functionalized 3-Benzazepine Skeletons through Ring-Opening Cycloamination Reactions Catalyzed by Gold
作者:Xiangwei Du、Shuang Yang、Jingyu Yang、Yuanhong Liu
DOI:10.1002/chem.201002502
日期:2011.4.26
Ring size under control: Highly functionalized 1‐amino‐ or 1‐hydroxy‐1H‐benzo[d]azepines have been prepared through a gold‐catalyzed cyclization of (o‐alkynyl)phenyl aziridines with heteronucleophiles. After removal of the phthalimido group, the products can be further transformed into 1H‐benzo[d]azepin‐1‐ones (see scheme; IBX=2‐iodoxybenzoic acid, Phth=pthalimido).
环的大小受到控制:高功能化的1-氨基或1-羟基-1 H-苯并[ d ]氮杂环庚烷是通过(o-炔基)苯基氮丙啶与杂多亲核试剂的金催化环化反应制备的。除去邻苯二甲酰亚胺基团后,可以将产物进一步转化为1 H-苯并[ d ] azepin-1-酮(参见方案; IBX = 2-碘氧基苯甲酸,Phth =邻苯二甲酰亚胺)。