New Approach to Indole Alkaloids Based on the Intramolecular Pauson−Khand Reaction<sup>,</sup><sup>1</sup>
作者:Leticia Pérez-Serrano、Gema Domínguez、Javier Pérez-Castells
DOI:10.1021/jo049309h
日期:2004.8.1
The synthesis of indoles bearing alkenyl and alkynyl moieties in different positions of the nucleus is described. These compounds are used as substrates for the intermolecular Pauson−Khand reaction leading to tetracyclic cyclopentenones with formation of additional five- to seven-membered rings. Products are related to alkaloids such as mitosenes, clausines, ergotamines, or apogeissochizines.
描述了在核的不同位置带有烯基和炔基部分的吲哚的合成。这些化合物用作分子间Pauson-Khand反应的底物,导致四环环戊烯酮形成另外的五至七元环。产品与生物碱有关,如丝裂霉素,克劳斯碱,麦角胺或载脂蛋白苷。