The analysis of results shows that it is sufficient to use 1.5% of elamin in edible films to enrich bakery products in iodine. The indicated concentration allows to enrich a product with iodine in the amount that fully meets the iodine daily requirements.
Previously unknown indolo [2,3-b] quinoxaline carbaldehydes and indolo quinoxaline amines have been obtained by condensation of alkylisatins and benzoylisatin with 4 -methylbenzene-1,2-diamine in the medium of glacial acetic acid. The reaction was found to proceed selectively.
