作者:Lourdes Rodriguez-Salvador、Elena Zaballos-Garcia、Eugenia Gonzalez-Rosende、Mohamed Djebouri Sidi、José Sepúlveda-Arques、R. Alan Jones
DOI:10.1080/00397919708006075
日期:1997.4
Abstract 2-Vinyl-4-azaindoles are less reactive with dienophiles than 2-vinylindoles. 5-Methoxy-2-vinyl-4-azaindole 2a and its 1-methyl derivative 2a reacts with N-phenylmaleimide to yield cycloadducts only under vigorous conditions. 2b produces a cycloadduct with dimethyl acetylenedicarboxylate, while 2a yields a Michael-type adduct. Reactions with more reactive dienophiles gave only polymeric products.
摘要 2-乙烯基-4-氮杂吲哚与亲二烯体的反应性低于2-乙烯基吲哚。5-Methoxy-2-vinyl-4-azaindole 2a 及其 1-甲基衍生物 2a 仅在剧烈条件下与 N-苯基马来酰亚胺反应生成环加合物。2b 与乙炔二羧酸二甲酯生成环加合物,而 2a 生成迈克尔型加合物。与更具反应性的亲双烯体的反应仅产生聚合产物。