HETEROCYCLIC ANALOGS OF 5,12-NAPHTHACENEQUINONE 16*. SYNTHESIS AND PROPERTIES OF NEW DNA LIGANDS BASED ON 4,11-DIAMINOANTHRA[2,3-<i>b</i>]THIOPHENE-5,10-DIONE
DOI:
https://doi.org/10.1007/5606Keywords:
anthra[2, 3-b]thiophene-5, 10-diones, nucleic acids, antitumor properties, G-quadruplexes, nucleophilic substitution.Abstract
A divergent route for the synthesis of new derivatives of 4,11-diaminoanthra[2,3-b]thiophene-5,10-dione was developed based on theintroduction of cyclic amines to the terminal positions of 4,11-aminoalkyl groups. Modification of the side chains of anthra[2,3-b]thiophene-5,10-dione increases the affinity of ligands to DNA duplex and decreases the affinity to G-quadruplexes. An analysis of the structure–activity relationship showed that 2-(piperidin-1-yl)ethylamine is the most promising side chain fragment for the development of new double-stranded DNA ligands. The ability of new ligands to bind to DNA duplex correlates with inhibition of tumor cell growth,
which indicates the prospects for a further search for new antitumor compounds or chemical probes for duplex-forming nucleic acid sequences among 4,11-diaminoanthra[2,3-b]thiophene-5,10-diones.
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Published
2020-07-10
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Original Papers