Synthesis and Biological Activity of 5-alkoxy- and 5-amino-substituted 3-bromo-4-nitro-1-(thietan-3-yl)-1H-pyrazoles

5-Alkoxy- and 5-amino-substituted 3-bromo-4-nitro-1-(thietan-3-yl)-1 H -pyrazoles were synthesized by reactions of 3,5-dibromo-4-nitro-1-(thietan-3-yl)-1 H -pyrazole with sodium alcoholates and primary amines. The structures of the synthesized compounds were established by IR, PMR, and 13 C NMR spec...

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Veröffentlicht in:Pharmaceutical chemistry journal 2022-06, Vol.56 (3), p.316-320
Hauptverfasser: Khaliullin, F. A., Klen, E. E., Pavlov, V. N., Samorodov, A. V., Shepilova, S. O., Makarova, N. N., Nurlanova, S. N., Abzalilov, T. N.
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container_end_page 320
container_issue 3
container_start_page 316
container_title Pharmaceutical chemistry journal
container_volume 56
creator Khaliullin, F. A.
Klen, E. E.
Pavlov, V. N.
Samorodov, A. V.
Shepilova, S. O.
Makarova, N. N.
Nurlanova, S. N.
Abzalilov, T. N.
description 5-Alkoxy- and 5-amino-substituted 3-bromo-4-nitro-1-(thietan-3-yl)-1 H -pyrazoles were synthesized by reactions of 3,5-dibromo-4-nitro-1-(thietan-3-yl)-1 H -pyrazole with sodium alcoholates and primary amines. The structures of the synthesized compounds were established by IR, PMR, and 13 C NMR spectroscopy. In vitro studies of the antiplatelet, anticoagulant, and antioxidant activity revealed promising compounds, including 3-bromo-5-methoxy-4-nitro-1-(thietan-3-yl)-1 H -pyrazole with antioxidant action and 2-{[3-bromo-4-nitro-1-(thietan-3-yl)-1 H -pyrazol-5-yl]amino}ethan-1-ol with an antiplatelet effect. Results of in silico calculations predicted the absence of toxic risks (mutagenicity, oncogenicity, reproductive toxicity, local irritation) and acceptable bioavailability (in terms of the topological polar surface area).
doi_str_mv 10.1007/s11094-022-02636-9
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subjects Anticoagulants (Medicine)
Antioxidants
Medicine
Nuclear magnetic resonance spectroscopy
Organic Chemistry
Pharmacology/Toxicology
Pharmacy
title Synthesis and Biological Activity of 5-alkoxy- and 5-amino-substituted 3-bromo-4-nitro-1-(thietan-3-yl)-1H-pyrazoles
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