作者:Jan Bergman、Peter Sand
DOI:10.1016/s0040-4020(01)87932-1
日期:1990.1
A variety of nitroindoles have been prepared from imidate, amidine, and sec-anilide derivatives of 2-alkyl-3- or 5-nitroanilines by a base-induced cyclization promoted by dialkyl oxalates. It is shown that essentially the same procedure also can be used to synthesize the corresponding nitroindole-3-glyoxylates in one simple operation. The synthetic potential is discussed and a mechanism is proposed
由草酸二烷基酯促进的碱诱导的环化反应,由2-烷基-3-或5-硝基苯胺的亚氨酸酯,am和仲-苯胺衍生物制备了多种硝基吲哚。结果表明,在一个简单的操作中,基本上相同的方法也可用于合成相应的硝基吲哚-3-乙醛酸酯。讨论了合成潜力,并提出了一种机理。