Indoles with 2, 3-disubstitution and heterocycles obtained from them are of interest in the search for new biologically active materials [4, 9]. One of the possible approaches to the synthesis of compounds of such structure is in the use of 2-substituted indoxyls [i, 6]. The present work presents a new method for the introduction of nucleophilic substituents into position 2 of indoxyl and its subsequent conversion into hetero [b] indoles, and in ...
