A Cascade synthesis of 11
<i>bH</i>
‐Imidazo[1,2‐
<i>c</i>
]isoquinolino[2,1‐
<i>a</i>
]quinazoline derivatives catalyzed by AgOTf
作者:Hao Wu、Yi‐Chun Wang、Tuan‐Jie Li、Jian‐Quan Liu、Xiang‐Shan Wang
DOI:10.1002/jhet.3940
日期:2020.5
A cascade reaction of 2‐alkynylbenzaldehydes and 2‐(4,5‐diphenyl‐1H‐imidazol‐2‐yl)aniline was treated in DMF catalyzed by AgOTf leading to 6,13,14‐triaryl‐11bH‐imidazo[1,2‐c] isoquinolino[2,1‐a]quinazolines in high yields. This Domino reaction included condensation, cyclization, and acetylenic hydroamination under mild conditions to build fused pentacyclic heterocycle with three new bonds and two new
2- alkynylbenzaldehydes和2-(4,5-二苯基-1-甲级联反应ħ -咪唑-2-基)苯胺在DMF处理催化通过的AgOTf导致6,13,14三芳基11 BH咪唑并[1,2 ,2− c ]异喹啉代[2,1− a ]喹唑啉,高产。该多米诺反应包括在温和条件下的缩合,环化和炔属加氢胺化反应,以形成具有三个新键和两个新环的稠合五环杂环。