Аннотация:
New substituted macroheterocyclic compounds of the ABABAB type were synthesised by condensation of 2,5-diamino-1,3,4-thiadiazole with the products of interaction of 4-(4-tert-butylphenoxy)- or 4-(3,5-dimethylphenoxy)phthalonitriles with sodium alkoxides in a butanol–methanol mixture.