Výsledky vyhledávání - "Juraj Krätsmar-Smogrovic"

Coordination geometries and cooperative ordering effects in copper(II) complexes with tridentate Schiff base dianosis IV1. EPR monocrystal investigation of dipotassium-bis[(μ-isocyanato-N,O)-{N-salicylidene-(R,S)-α-alaninato}]dicuprate(II)

Autor: Gustav Plesch, Juraj Krätsmar-Smogrovic, C. Friebel, O. Švajlenová, V. Kettmann

Publikováno v: Inorganica Chimica Acta. 254:273-276

Some aspects of the crystal structure of dipotassium-bis[(μ-isocyanato-N,O)-{N-salicylidene-(R,S)-α-alaninato}](dicuprate(II), K2[Cu2{sal-R,S-ala}2(μ-NCO)2], necessary for the interpretation of EPR monocrystal spectra are reported The crystal stru

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::73291bc2bbbbc3c082612f8972d5fc01
https://doi.org/10.1016/s0020-1693(96)05171-7

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Coordination geometries and cooperative ordering effects in copper(II) complexes with tridentate Schiff base dianions—III. EPR study on N-salicylideneglycinatocopper(II) complexes with thiourea derivatives

Autor: Gustav Plesch, C. Friebel, O. Švajlenová, Juraj Krätsmar-Smogrovic

Publikováno v: Polyhedron. 14:1185-1193

N-Salicylideneglycinatocopper(II) complexes of the composition Cu(salgly) (L s )(H 2 O) x were synthesized with L s = thiourea, N-methylthiourea, N,N,N′,N′-tetramethylthiourea, N-ethylthiourea, N,N′-diethylthiourea, N-(2-chlorophenyl)thiourea,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c145b53bc7da0c8fa046dca2c727420
https://doi.org/10.1016/0277-5387(94)00377-q

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On the Mechanism of Metabolic Reactions of Amino Acids Catalyzed by Vitamin B6 and Related Aldehydes

Autor: V. Kettmann, J. Sivý, Juraj Krätsmar-Smogrovic

Publikováno v: Zeitschrift für Naturforschung C. 49:571-578

The crystal structure of [(N-salicylidene-ᴅ,ʟ-glutamato)(pyridine)]copper(II), a model for vitamin B6-amino acid-related metal complexes, has been determined by an X-ray analysis. A close examination of the structural data on this and other relate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a90232418b3f34b09de814ecc7c2e66a
https://doi.org/10.1515/znc-1994-9-1006

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Copper(II) Dihydroxybenzoates; Synthesis and Properties

Autor: Sokolík J, Tumová I, Gustav Plesch, Juraj Krätsmar-Smogrovic, Svec P, Brigita Lučanská, Aladár Valent

Publikováno v: Collection of Czechoslovak Chemical Communications. 58:1363-1370

Compounds of composition Cu(2,5-DHB)2 . 4 H2O (DHB, dihydroxybenoate anion) and Cu(2,Y-DHB)2 . 8 H2O (Y = 4 or 6) were prepared as potential antiinflamatory gents with a view of pharmacological screening. The room-temperature magnetic moments allow t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1cba384d0134e220df6de2e72e34a436
https://doi.org/10.1135/cccc19931363

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The Crystal and Molecular Structure and Properties of Diaqua[N-salicylidene – (S) – (+) – glutamato]copper(II) Monohydrate

Autor: František Pavelčík, J. Sivy, J. Soldánová, V. Seressová, Milan Žemlička, Juraj Krätsmar-Smogrovic

Publikováno v: Zeitschrift für Naturforschung B. 46:1323-1327

The crystal and molecular structure of the title complex was determinated by single crystal X-ray diffraction (R = 0.066 for 1059 observed reflections). The approximately square-pyramidal coordination of Cu(II) results from donor atoms O(12), O(1), N

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ec21b3a1cad0da71badcdf5aa8076fb5
https://doi.org/10.1515/znb-1991-1008

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The Superoxide Dismutase-Like Activity of Some Copper (II) Complexes Derived from Tridentate Schiff Bases

Autor: Zdena Dˆuračková, Ingrid Žitňanová, Lˆudovít Bergendi, Juraj Krätsmar-Smogrovic

Publikováno v: Free Radical Research Communications. 12:195-204

Oxygen free radicals are the final or intermediate products of many metabolic reactions. Of greatest significance to the organism are superoxide anion radical (O2-.), hydrogen peroxide (H2O2), hydroxyl radical (.OH), singlet oxygen (1O2) etc. A prope

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea28204319b437212b356bd944d0f7e0
https://doi.org/10.3109/10715769109145786

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Coordination geometries and cooperative ordering effects in copper(II) complexes with tridentate Schiff base dianions. I. Crystal and molecular structure and EPR investigation of N-salicylideneglycinato-2-methylimidazole-copper(II)

Autor: V. Kettmann, C. Friebel, J. Sivý, Gustav Plesch, O. Švajlenová, Juraj Krätsmar-Smogrovic

Publikováno v: Zeitschrift f�r anorganische und allgemeine Chemie. 583:55-66

N-Salicyclideneglycinato(2-methylimidazole)copper (II) — [Cu(salgly)(2-MeIm)] — C13H13N3O3Cu — crystallizes in the monoclinic space group P21/c, a = 1 248.4, b = 1 157.3, c = 964.5 pm, β = 108.91°, Z = 4; structure determination with 1 504 si

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1679423f2484d5de346fee600c6853ea
https://doi.org/10.1002/zaac.19905830108

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The crystal, molecular structure and EPR spectrum of dipotassium bis[(μ-isothiocyanato-N,S)-(N-salicylidene-(R)-phenylalaninato)(N-salicylidene-(S)-phenylalaninato)]dicuprate(II)

Autor: František Pavelčík, Juraj Krätsmar-Smogrovic, Milan Žemlička, Valeria Seressová, J. Sivý

Publikováno v: Collection of Czechoslovak Chemical Communications. 55:2924-2932

The title compound crystallizes in the triclinic system with a space group of P1 (No. 2); a = 0.8283(4), b = 0.9477(6), c = 1.2271(5) nm; α = 74.251(41), β = 82.351(34), γ = 70.475(40)°, V = 0.87282(74) nm3, Z = 1, F(000) = 432, μ = 1.624 mm-1,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::796002f39c9473a911a9d8dd7cb8f06f
https://doi.org/10.1135/cccc19902924

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