Results 31 to 40 of about 4,496 (180)
3-Methyl-5,5-diphenylimidazolidine-2,4-dione
IUCrData, 2017 In the title molecule, C16H14N2O2, the imidazolidine-2,4-dione ring carries two phenyl substituents at the 5-position inclined to the five-membered ring plane by 59.17 (6) and 53.21 (6)°.
Walid Guerrab +5 more
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Synthesis of hydantoin and thiohydantoin related compounds from benzil and study of their cytotoxicity [PDF]
Bangladesh Journal of Pharmacology, 2006 Condensation of benzil (1) with urea, monophenyl urea and diphenyl urea in the presence of absolute ethanol using 30% aqueous NaOH gave the products 1a, 1b and 1c respectively and also with thiourea, monomethyl thiourea, dimethyl thiourea and diethyl ...
A. Kashem Liton and M. Rabiul Islam
doaj
Pharmaceuticals, 2023 Flaviviridae infections, such as those caused by hepatitis C (HCV) and dengue viruses (DENVs), represent global health risks. Infected people are in danger of developing chronic liver failure or hemorrhagic fever, both of which can be fatal if not ...
Vasiliki Pardali +8 more
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Crystals, 2014 Single-crystal structures of 1,1′-methylenebis(imidazolidine-2,4-dione) and its sodium and dipotassium salts were determined. Powder X-ray diffraction was also employed to characterize the bulk materials and those phases which did not yield single ...
Robert Salchner +6 more
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Investigation of the GnRH antagonist degarelix isomerization in biological matrices
Pharmacology Research & Perspectives, 2023 One of the main objectives of peptide drug design is the improvement of peptide pharmacokinetics with maintaining biological activity, which can be achieved by the complex modifications of the primary structure of the peptides.
Lucia Ferrazzano +6 more
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Crystal structures of (S)-(+)-5-(3-bromo/chloro-4-isopropoxyphenyl)-5-methylimidazolidine-2,4-dione
Acta Crystallographica Section E: Crystallographic Communications, 2016 In (S)-(+)-5-(3-bromo-4-isopropoxyphenyl)-5-methylimidazolidine-2,4-dione, C13H15BrN2O3, (I), the hydantoin groups are connected via intermolecular N—H...O hydrogen bonds, forming a terraced sheet structure.
Shigeru Ohba +3 more
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Drug-Induced Changes in the Gingival Tissue
Journal of Interdisciplinary Medicine, 2023 Drug-induced gingivitis is caused by the administration of certain drugs such as hydantoin, calcium blockers, beta-blockers, cyclosporine, and oral contraceptives.
Kis Estella +2 more
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Acta Crystallographica Section E, 2010 In the asymmetric unit of the title organic–inorganic hybrid material, 2{H3[PW12O40]}·4C3H4N2O2·C7H8N4O4·21.5H2O, there are four crystallographically independent hydantoin molecules, one dimerized hydantoin molecule ...
Mohammad Hasan Alizadeh +1 more
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Beilstein Journal of Organic Chemistry, 2018 A practical three-step protocol for the assembly of triazolobenzodiazepine-fused diketopiperazines and hydantoins has been developed. The synthesis of these tetracyclic ring systems was initiated by an Ugi reaction, which brought together all necessary ...
Robby Vroemans +7 more
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5-(4-Fluorophenyl)-5-methylimidazolidine-2,4-dione
Acta Crystallographica Section E, 2008 In the title compound, C10H9FN2O2, the dihedral angle between the hydantoin unit and the benzene ring is 65.55 (5)°. The atoms in the hydantoin ring are coplanar, with a mean deviation of 0.015 Å and a maximum deviation of 0.075 ...
Shahid Hameed +4 more
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