Search Results - "Ciunik, Zbigniew"

Stable Hemiaminals: 2-Aminopyrimidine Derivatives by Kwiecień, Anna, Ciunik, Zbigniew

“…Stable hemiaminals can be obtained in the one-pot reaction between 2-aminopyrimidine and nitrobenzaldehyde derivatives. Ten new hemiaminals have been obtained,…”
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Stable hemiaminals with a cyano group and a triazole ring by Kwiecień, Anna, Barys, Maciej, Ciunik, Zbigniew

“…Under neutral conditions the reactions between 4-amino-1,2,4-triazole and cyano-substituted benzaldehyde derivatives yield stable hemiaminals. Addition of…”
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Palladium Vacataporphyrin Reveals Conformational Rearrangements Involving Hückel and Möbius Macrocyclic Topologies by Pacholska-Dudziak, Ewa, Skonieczny, Janusz, Pawlicki, Miłosz, Szterenberg, Ludmiła, Ciunik, Zbigniew, Latos-Grażyński, Lechosław

“…5,10,15,20-Tetraaryl-21-vacataporphyrin (butadieneporphyrin, an annulene-porphyrin hybrid) which contains a vacant space instead of heteroatomic bridge acts as…”
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Dielectrically Controlled Priority of Interactions in Molecular Recognition by Białońska, Agata, Ciunik, Zbigniew

“…It was shown previously that formation of brucinium double salts during attempts of racemic resolution of N-(3,5-dinitrobenzoyl)­amino acid (alanine or serine)…”
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A Study on the Condensation Reaction of 4-Amino-3,5-dimethyl-1,2,4-triazole with Benzaldehydes: Structure and Spectroscopic Properties of Some New Stable Hemiaminals by Wajda-Hermanowicz, Katarzyna, Pieniążczak, Damian, Zatajska, Aleksandra, Wróbel, Robert, Drabent, Krzysztof, Ciunik, Zbigniew

“…Studies on the stable hemiaminals and Schiff bases formation in the reaction of substituted benzaldehydes with primary 3,5-dimethyl-1,2,4-triazole 4-amine were…”
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N-Fusion Approach in Construction of Contracted Carbaporphyrinoids: Formation of N-Fused Telluraporphyrin by Pacholska-Dudziak, Ewa, Ulatowski, Filip, Ciunik, Zbigniew, Latos-Grażyński, Lechosław

“…Insertion of PCl3 into 5,10,15,20‐tetraaryl‐21‐telluraporphyrin leads to a phosphorus complex of N‐fused dihydrotelluraporphyrin with an inverted tellurophene…”
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Microbial transformations of flavanone by Aspergillus niger and Penicillium chermesinum cultures by Kostrzewa-Susłow, Edyta, Dmochowska-Gładysz, Jadwiga, Białońska, Agata, Ciunik, Zbigniew

“…As a result of biotransformation of flavanone ( 1) by the strain Aspergillus niger MB (being the UV mutant) and by the wild strain Penicillium chermesinum 113…”
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Alkylation of the Inverted Porphyrin Nickel(II) Complex by Dihalogenalkanes:  Formation of Monomeric and Dimeric Derivatives by Schmidt, Izabela, Chmielewski, Piotr J, Ciunik, Zbigniew

“…An efficient and simple method of modification of “inverted” porphyrin is provided by reactions of 5,10,15,20-tetraaryl-2-aza-21-carbaporphyrinatonickel(II) 2…”
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Microbial transformations of flavanone and 6-hydroxyflavanone by Aspergillus niger strains by Kostrzewa-Susłow, Edyta, Dmochowska-Gładysz, Jadwiga, Białońska, Agata, Ciunik, Zbigniew, Rymowicz, Waldemar

“…Flavanone ( 1) and 6-hydroxyflavanone ( 2) were subjected to transformation by means of Aspergillus niger strains (one wild and three UV mutants). For both…”
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Organotin mefenamic complexes-preparations, spectroscopic studies and crystal structure of a triphenyltin ester of mefenamic acid: novel anti-tuberculosis agents by Kovala-Demertzi, Dimitra, Dokorou, Vaso, Ciunik, Zbigniew, Kourkoumelis, Nikolaos, Demertzis, Mavroudis A.

“…The triphenyltin adduct of mefenamic acid, [SnPh3L] (1), the monophenyltin complex [PhSnOL] n (2), and the dibutyltin complex [SnBu2L2] (3), where HL is…”
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Diorganotin Complexes of a Thiosemicarbazone, Synthesis: Properties, X-Ray Crystal Structure, and Antiproliferative Activity of Diorganotin Complexes by Wiecek, Joanna, Kovala-Demertzi, Dimitra, Ciunik, Zbigniew, Zervou, Maria, Demertzis, Mavroudis A

“…The synthesis and spectral characterization of novel diorganotin complexes with 3-hydroxypyridine-2-carbaldehyde thiosemicarbazone, H2L(1), [SnMe2(L)] (2),…”
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Five-Coordinate Iron(III) Porphycenes:  1H NMR, Magnetic, and Structural Studies by Rachlewicz, Krystyna, Latos-Grażyński, Lechosław, Vogel, Emanuel, Ciunik, Zbigniew, Jerzykiewicz, Lucjan B

“…Five-coordinate iron(III) 2,7,12,17-tetrapropylporphycene (TPrPc)FeIIIX (X = C6H5O-, Cl-, Br-, I-, ClO4 -) complexes have been investigated. The 1H NMR spectra…”
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Organotin Compound Derived from 3-Hydroxy-2-formylpyridine Semicarbazone: Synthesis, Crystal Structure, and Antiproliferative Activity by Wiecek, Joanna, Kovala-Demertzi, Dimitra, Ciunik, Zbigniew, Wietrzyk, Joanna, Zervou, Maria, Demertzis, Mavroudis A

“…The novel diphenyltin(IV) compound [Ph2(HyFoSc)Sn] (2), where H2HyFoSc (1) is 3-hydroxy-2-formylpyridine semicarbazone, was prepared and characterized by…”
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Synthesis and structural characterization of new one-dimensional rhodium complexes by Pruchnik, Florian P., Jakimowicz, Piotr, Ciunik, Zbigniew

“…New one-dimensional Rh I–Rh II complexes [Rh 2(OOCMe) 2(phen) 2] n (PF 6) n ·0.5 nMe 2CHOH, 1 and [Rh 2(OOCMe) 2(bpy) 2] n (PF 6) n · nH 2O, 2 have been…”
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How To Control Recognition: From Brucinium Double Salts to Racemic Resolution by Ganczar, Emilia, Białońska, Agata, Ciunik, Zbigniew

“…Studying the mechanisms of racemic resolution of the model compound N-(3-nitrobenzoyl)­aspartic acid by formation and fractional crystallization of brucinium…”
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Synthesis of Spirolactones from the Limonene System by Paruch, Edyta, Ciunik, Zbigniew, Wawrzeńczyk, Czesław

“…Four enantiomeric pairs of spirolactones were obtained in a four step synthesis from (+) and (−) limonene. The Claisen rearrangement and iodolactonization were…”
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Structure and photophysical properties of new lanthanide(III) complexes [Ln(C10H8O6)1.5(H2O)3]·H2O by Gawryszewska, Paula, Ciunik, Zbigniew

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Synthesis and structural characterization of new rhodium formato complexes containing [Rh 2] 4+ and [Rh 4] 6+ cores by Pruchnik, Florian P, Jutarska, Anna, Ciunik, Zbigniew, Pruchnik, Mirosław

“…Binuclear Rh(II) complexes [Rh 2(μ-OOCH) 4(DMF) 2] ( 1) and Na[Rh 2(μ-OOCH) 4(OOCH) (H 2O)]·H 2O ( 2), and the mixed-valence Rh(I)Rh(II) polynuclear rhodium…”
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X-ray crystal structures, electron paramagnetic resonance, and magnetic studies on strongly antiferromagnetically coupled mixed mu-hydroxide-mu-N(1),N(2)-triazole-bridged one dimensional linear chain copper(II) complexes by Drabent, Krzysztof, Ciunik, Zbigniew, Ozarowski, Andrzej

“…Four new metal-organic polymeric complexes, {[Cu(mu-OH)(mu-ClPhtrz)][(H 2O)(BF 4)]} n ( 1), {[Cu(mu-OH)(mu-BrPhtrz)][(H 2O)(BF 4)]} n ( 2),…”
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X-ray Crystal Structures, Electron Paramagnetic Resonance, and Magnetic Studies on Strongly Antiferromagnetically Coupled Mixed μ-Hydroxide-μ-N 1,N 2-Triazole-Bridged One Dimensional Linear Chain Copper(II) Complexes by Drabent, Krzysztof, Ciunik, Zbigniew, Ozarowski, Andrzej

“…Four new metal-organic polymeric complexes, {[Cu(μ-OH)(μ-ClPhtrz)][(H2O)(BF4)]} n (1), {[Cu(μ-OH)(μ-BrPhtrz)][(H2O)(BF4)]} n (2),…”
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