作者:Jacques Hénin、Eric Noé、Jean-Yves Laronze
DOI:10.1055/s-2001-16763
日期:——
Treatment of several Ï-halogenoamides, derived from tryptamine, with powdered potassium hydroxide in 1,2-dimethoxyethane in the presence of 18-crown-6, resulted in intramolecular and/or bimolecular cyclization, depending on the length of the chain and dilution conditions, to give macrocyclic compounds. Some of them were converted by a Bischler-Napieralski reaction, followed or not by reduction, to new tetracyclic derivatives of β-carbolines.
在18-冠-6的存在下,将几种源自色胺的α-卤代酰胺与粉末状氢氧化钾在1,2-二甲氧基乙烷中处理,根据链长和稀释条件的不同,导致分子内和/或双分子环化,生成大环化合物。其中一些通过Bischler-Napieralski反应转化,随后或有或无还原步骤,得到新的四环β-咔啉衍生物。