Results 31 to 40 of about 13,210 (268)

Crystal structures of two hydrogen-bonded compounds of chloranilic acid–ethyleneurea (1/1) and chloranilic acid–hydantoin (1/2)

Acta Crystallographica Section E: Crystallographic Communications, 2018
The structures of the hydrogen-bonded 1:1 co-crystal of chloranilic acid (systematic name: 2,5-dichloro-3,6-dihydroxy-1,4-benzoquinone) with ethyleneurea (systematic name: imidazolidin-2-one), C6H2Cl2O4·C3H6N2O, (I), and the 1:2 co-crystal of chloranilic
Kazuma Gotoh, Hiroyuki Ishida
doaj   +1 more source

Synthesis of new 5-benzylidene-hydantoin esters

Journal of Chemical Research, 2022
Compounds containing a hydantoin moiety are found in several medicines in clinical use. In this research, ethyl- and methyl-[2-(5-benzylidene)-2,4-dioxoimidazolidin-3-yl]acetyl esters are successfully synthesized over four reaction steps using ...
Ndivhuwo R Tshiluka, Mpelegeng V Bvumbi, Unarine Tshishonga, Simon S Mnyakeni-Moleele   +3 more
doaj   +1 more source

Fetal Hydantoin Syndrome and Its Anaesthetic Implications: A Case Report

Case Reports in Anesthesiology, 2012
Fetal hydantoin syndrome is a rare disorder that is believed to be caused by exposure of a fetus to the anticonvulsant drug phenytoin. The classic features of fetal hydantoin syndrome include craniofacial anomalies, prenatal and postnatal growth ...
Ranju Singh, Nishant Kumar, Sakshi Arora, Ritu Bhandari, Aruna Jain   +4 more
doaj   +1 more source

1-Benzyl-2-benzylsulfanyl-4,4-diphenyl-4,5-dihydro-1H-imidazol-5-one

IUCrData, 2017
The asymmetric unit of the title compound, C29H24N2OS, consists of two independent molecules having markedly different orientations of the substituents on the central imidazole ring.
Rachida Akrad, Joel T Mague, Walid Guerrab, Jamal Taoufik, Mhamed Ansar, Youssef Ramli   +5 more
doaj   +1 more source

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, Alessandra Tolomelli, Ivan Guryanov, Marco Macis, Ulrich Abel, Antonio Ricci, Walter Cabri   +6 more
doaj   +1 more source

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, Lazăr Ana, Lazăr Luminița   +2 more
doaj   +1 more source

SYNTHESIS AND CHARACTERIZATION OF COMPLEX DIAQUADIHYDANTOIN NICKEL(II) SULFAT MONOHIDRAT)

Alchemy, 2016
The purpose of the research is to find out the synthesis, formula and characteristic of complex of Nickel(II) with hydantoin (hyd). Complex of nickel(II) with hydantoin have been synthesized in 1 : 1 mole ratio of metal to ligan in methanol.The formula
Sentot Budi Rahardjo, Surya Dewi Marliyana, Nur Asih Siwi Wulandari   +2 more
doaj   +1 more source

Solvent effects on the structure-property relationship of anticonvulsant hydantoin derivatives: A solvatochromic analysis [PDF]

, 2011
Considering the pharmaceutical importance of hydantoins, a set of 25 derivatives of phenytoin, nirvanol and 5-methyl-5-phenylhydantoin, the lipophilicities of which were gradually increased by the introduction of different alkyl, cycloalkyl and alkenyl ...
Gordana Ušćumlić, Nataša Valentić, Nemanja Trišović   +2 more
core   +1 more source

Utilization of Polyspecific Antiserum for Specific Radioimmunoassays: Radioimmunoassays for Rat Fetuin and Bikunin Were Developed by Using Antiserum Against Total Rat Serum Proteins [PDF]

, 1993
Polyspecific antiserum against total rat serum proteins was used to develop specific and sensitive radioimmunoassays for fetuin and bikunin, two minor protein components of rat plasma. The radioimmunoassays proved to be highly useful to trace bikunin and
Edwin Fink, Gebhard W., Greenwood F. C., Gudrun Godec, Haasemann M., Marianne Arnhold, Peter Nawratil   +6 more
core   +1 more source

12-Tungstophosphoric acid–1,1′-methylenebis(imidazolidine-2,4-dione)–imidazolidine-2,4-dione–water (2/1/4/21.5)

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, Irandokht Mohammadi Zonoz   +1 more
doaj   +1 more source