作者:Julien Perron、Benoît Joseph、Jean-Yves Mérour
DOI:10.1002/ejoc.200400348
日期:2004.11
Cyclic β-amino esters 4, obtained from lactams, were condensed with indole-2-carbonyl chloride to afford the corresponding amides. Similarly, unusual conditions led to cyclisation at the 3-position of the indole moiety in the presence of pTSA and ethylene glycol to afford previously unknown pentacyclic derivatives 12 and 15. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)
从内酰胺获得的环状 β-氨基酯 4 与吲哚-2-碳酰氯缩合得到相应的酰胺。同样,在 pTSA 和乙二醇存在下,不寻常的条件导致吲哚部分的 3 位环化,得到以前未知的五环衍生物 12 和 15。(© Wiley-VCH Verlag GmbH & Co. KGaA,69451 Weinheim,德国, 2004)