Synthesis of Indole Derivatives by Cyclization of Oxo <i>N</i>-Acyliminium Ions
作者:Junbiao Chang、Kang Zhao、Xiufang Zheng
DOI:10.1055/s-2008-1072532
日期:2008.5
The reaction of indole-containing hydroxamates with aldehydes in the presence of Lewis acid leads to oxo N-acyliminiumions, which cyclize to the corresponding N-O fused [1,2]oxazino[4,5- B]indole, [1,2]oxazepino[4,5- B]indole, and [1,2]oxazocino[4,5- B]indole derivatives in good yields.