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N-substituted arylhydroxamic acids as acetylcholinesterase reactivators

D. Bondar, IV. Kapitanov, L. Pulkrabkova, O. Soukup, D. Jun, FD. Botelho, TCC. França, K. Kuča, Y. Karpichev

. 2022 ; 365 (-) : 110078. [pub] 20220805

Jazyk angličtina Země Irsko

Typ dokumentu časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/bmc22024354

The problem of the efficient treatment of acute organophosphorus (OP) poisoning needs more efforts in the development of a versatile antidote, applicable for treatment of the injuries of both peripheral and central nervous systems. A series of N-H, N-methyl, N-butyl, and N-phenyl derivatives of benzhydroxamic (1a-1d), 3-methoxybenzhydroxamic (2a-2d), 4-methoxybenzhydroxamic (3a-3d) acids, and corresponding salycilhydroxamates (4a-4d) was prepared. Their predicted hydrophobicity (log P) was evaluated as regards to ВВВ score by the open access cheminformatics tools; prediction of the passive transport across the BBB was found by means on the parallel artificial membrane permeability assay (PAMPA). The data on reactivation capacity of human acetylcholinesterase (HssAChE) inhibited by GB, VX, and paraoxon was supported by molecular docking study on binding to the active site of the AChE, viability study against mammalian cells (Chinese hamster ovary CHO-K1), and biodegradability (Closed Bottle test OECD 301D). Among the studied compounds, N-butyl derivatives have better balanced combination of properties; among them, N-butylsalicylhydroxamic acid is most promising. The studied compounds demonstrate modest reactivation capacity; change of N-H by N-Me ensures the reactivation capacity in studied concentrations on all studied OP substrates; among N-butyl derivatives, the N-butylsalicylhydroxamic acid demonstrates most promising results within the series. The found regularities may lead to selection of perspective structures to complement current formulations for medical countermeasures against poisoning by organophosphorus toxicants.

Citace poskytuje Crossref.org

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$a The problem of the efficient treatment of acute organophosphorus (OP) poisoning needs more efforts in the development of a versatile antidote, applicable for treatment of the injuries of both peripheral and central nervous systems. A series of N-H, N-methyl, N-butyl, and N-phenyl derivatives of benzhydroxamic (1a-1d), 3-methoxybenzhydroxamic (2a-2d), 4-methoxybenzhydroxamic (3a-3d) acids, and corresponding salycilhydroxamates (4a-4d) was prepared. Their predicted hydrophobicity (log P) was evaluated as regards to ВВВ score by the open access cheminformatics tools; prediction of the passive transport across the BBB was found by means on the parallel artificial membrane permeability assay (PAMPA). The data on reactivation capacity of human acetylcholinesterase (HssAChE) inhibited by GB, VX, and paraoxon was supported by molecular docking study on binding to the active site of the AChE, viability study against mammalian cells (Chinese hamster ovary CHO-K1), and biodegradability (Closed Bottle test OECD 301D). Among the studied compounds, N-butyl derivatives have better balanced combination of properties; among them, N-butylsalicylhydroxamic acid is most promising. The studied compounds demonstrate modest reactivation capacity; change of N-H by N-Me ensures the reactivation capacity in studied concentrations on all studied OP substrates; among N-butyl derivatives, the N-butylsalicylhydroxamic acid demonstrates most promising results within the series. The found regularities may lead to selection of perspective structures to complement current formulations for medical countermeasures against poisoning by organophosphorus toxicants.
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