Ethynylation of 2-(furan-2-yl)- and 2-(thiophen-2-yl)pyrroles with acylbromoacetylenes in the Al2O3 medium: relative reactivity of heterocycles
Lyubov N. Sobenina, О. В. Петрова, Denis N. Tomilin, Maxim D. Gotsko, Igor А. Ushakov, Л. В. Клыба, А. Й. Михалева, Б. А. Трофимов
Abstract