Search Results - "Barczyński, Piotr"

Colchiceine Complexes with Lithium, Sodium and Potassium Salts − Spectroscopic Studies by Kurek, Joanna, Barczynski, Piotr

“…Colchiceine complexes with Li+, Na+ and K+ cations have been synthesized and studied by ^sup 1^H and ^sup 13^C NMR, FT-IR, FAB MS and UV-Vis. It has been shown…”
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Alkaloid from Colchicum species in complexes with lithium, sodium, potassium and magnesium cations– spectroscopic characterization, semiempirical and theoretical calculation, fungicidal and cytotoxic activity by Kurek, Joanna, Kwaśniewska-Sip, Patrycja, Myszkowski, Krzysztof, Pospieszny, Tomasz, Pietruś, Wojciech, Cofta, Grzegorz, Barczyński, Piotr, Murias, Marek

“…The colchicine (1:1) complexes with monovalent cations: Li+, Na+ and K+ as well as divalent cation Mg2+ of nitrate salts were synthesized and characterized by…”
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Spectroscopic, structural and theoretical investigation of 1,3-bis(3-hydroxymethylpyridinium)propane dibromide, tetrabromozincate and tetrabromocuprate by Komasa, Anna, Barczyński, Piotr, Ratajczak-Sitarz, Małgorzata, Katrusiak, Andrzej

“…The structures of 1,3-bis(3-hydroxymethylpyridinium)propane dibromide (1), 1,3-bis(3-hydroxymethylpyridinium)propane tetrabromozincate (2) and…”
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Quantum-chemical, NMR, FT IR, and ESI MS studies of complexes of colchicine with Zn(II) by Jankowski, Wojciech, Kurek, Joanna, Barczyński, Piotr, Hoffmann, Marcin

“…Colchicine is a tropolone alkaloid from Colchicinum autumnale . It shows antifibrotic, antimitotic, and anti-inflammatory activities, and is used to treat gout…”
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Four new amide derivatives of pyridinecarboxylic acids. Synthesis, structure and spectroscopic characterization by Kwiatek, Dorota, Kubicki, Maciej, Barczyński, Piotr, Lis, Stefan, Hnatejko, Zbigniew

“…This study treats about four new pyridine amide derivatives obtained by a simple and inexpensive method of synthesis which consisted in amide coupling of…”
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Antifungal, anticancer, and docking studies of colchiceine complexes with monovalent metal cation salts by Kurek, Joanna, Kwaśniewska‐Sip, Patrycja, Myszkowski, Krzysztof, Cofta, Grzegorz, Barczyński, Piotr, Murias, Marek, Kurczab, Rafał, Śliwa, Paweł, Przybylski, Piotr

“…Complexes of colchiceine with monovalent cation perchlorates and iodides have been obtained and characterized by spectroscopic methods. DFT and spectroscopic…”
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7-Deacetyl-10-alkylthiocolchicine derivatives - new compounds with potent anticancer and fungicidal activity by Kurek, Joanna, Kwaśniewska-Sip, Patrycja, Myszkowski, Krzysztof, Cofta, Grzegorz, Murias, Marek, Barczyński, Piotr, Jasiewicz, Beata, Kurczab, Rafał

“…A series of new semi-synthetic 7-deacetyl-10-alkylthiocolchicne derivatives with ethyl, -propyl, i-propyl and -butyl substituents were synthesised and…”
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Structure, spectroscopy and DFT calculations of 1,2-di(3-hydroxymethylpyridinium)ethane dibromide by Komasa, Anna, Barczyński, Piotr, Ratajczak-Sitarz, Małgorzata, Katrusiak, Andrzej, Dega-Szafran, Zofia, Szafran, Mirosław

“…The molecular structure of 1,2-di(3-hydroxymethylpyridinium)ethane dibromide (1) has been characterized by X-ray diffraction, B3LYP/6-311++G(d,p) calculations,…”
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Synthesis, complexation studies and structural characterization of d and f metal ion complexes with 4-chloroquinaldinic acid N-oxide by Hnatejko, Zbigniew, Manszewski, Tomasz, Barczyński, Piotr, Kubicki, Maciej, Szyczewski, Andrzej, Lis, Stefan

“…► Complexes of 4-chloroquinaldinic acid N-oxide with d- and f-metal ions were obtained. ► Structure, coordination and spectroscopic properties of complexes…”
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Molecular structure of 1,3-bis(carboxymethyl)imidazolium bromide and its betaine form in crystal by Barczyński, Piotr, Komasa, Anna, Ratajczak-Sitarz, Małgorzata, Katrusiak, Andrzej, Huczyński, Adam, Brzezinski, Bogumil

“…1,3-Bis(carboxymethyl)imidazolium bromide [(C 7H 9N 2O 4) +Br −] has been studied by X-ray diffraction, FT-IR and Raman spectroscopy. In the crystalline state,…”
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A fast and sensitive continuous flow nanobiodetector based on polyaniline nanofibrils by LANGER, Krzysztof, BARCZYNSKI, Piotr, BAKSALARY, Katarzyna, FILIPIAK, Marian, GOLCZAK, Sebastian, LANGER, Jerzy J

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X-ray and spectroscopic studies of the molecular structure of bis(8-oxy-1-methylquinolinium) hydroiodide by Barczyński, Piotr, Komasa, Anna, Ratajczak-Sitarz, Małgorzata, Katrusiak, Andrzej, Brzezinski, Bogumil

“…Bis(8-oxy-1-methylquinolinium) hydroiodide has been studied by X-ray diffraction, FT-IR, 1H and 13C NMR spectroscopy. In the crystalline state a homoconjugated…”
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Molecular structure of 8-hydroxy-1-methylquinolinium iodide hydrate in crystal and solution by Barczyński, Piotr, Komasa, Anna, Ratajczak-Sitarz, Małgorzata, Katrusiak, Andrzej, Brzezinski, Bogumil

“…8-Hydroxy-1-methylquinolinium iodide monohydrate [(C 10H 10NO) +I −·H 2O] has been studied by X-ray diffraction, FT-IR, 1H and 13C NMR spectroscopy. In the…”
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7-Deacetyl-10-alkylthiocolchicine derivatives – new compounds with potent anticancer and fungicidal activity† †Electronic supplementary information (ESI) available: Experimental details, spectroscopic data (NMR, FT-IR, and EI-MS), DFT and docking studies, and details of cytotoxic and fungicidal data. See DOI: 10.1039/c8md00352a by Kurek, Joanna, Kwaśniewska-Sip, Patrycja, Myszkowski, Krzysztof, Cofta, Grzegorz, Murias, Marek, Barczyński, Piotr, Jasiewicz, Beata, Kurczab, Rafał

“…Cytotoxic and fungicidal activity of 7-deacetyl-10-alkylthiocolchicine derivatives. A series of new semi-synthetic 7-deacetyl-10-alkylthiocolchicne derivatives…”
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Syntheses, Crystal Structures and Spectroscopic Studies of Bis[1‐methyl‐3‐(methoxycarbonylmethyl)‐benzimidazolium]2+ [CuBr4]2− and [ZnBr4]2− Compounds by Czekański, Łukasz, Hoffmann, Stanisław K., Barczyński, Piotr, Gąsowska, A., Zalewska, Alina, Goslar, Janina, Ratajczak‐Sitarz, Małgorzata, Katrusiak, Andrzej

“…X‐ray diffraction structure of two new bis [1‐methyl‐3‐(methoxycarbonylmethyl) benzimidazolium]2+ [CuBr4]2− and [ZnBr4]2− compounds has been determined…”
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Aromaticity as a quantitative concept. 1. A statistical demonstration of the orthogonality of classical and magnetic aromaticity in five- and six-membered heterocycles by Katritzky, Alan R, Barczynski, Piotr, Musumarra, Giuseppe, Pisano, Danila, Szafran, Miroslaw

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Colchiceine complexes with lithium, sodium and potassium salts - spectroscopic studies by Kurek, Joanna, Barczynski, Piotr

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Comparison of low-barrier hydrogen bonds in acid salts of carboxylic acids and basic salts of betaines – FTIR study by Barczyński, Piotr, Kowalczyk, Iwona, Grundwald-Wyspiańska, Monika, Szafran, Mirosław

“…The following isostructural complexes: [C5H5N+(CH2)nCOO]2HX and [C6H5(CH2)nCOO]2HK (n=1–4) were synthesised and their FTIR spectra analysed. In these two…”
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Chlorine-35 nuclear quadrupole resonance and infrared spectroscopic studies of hydrogen bonding in complexes of dichloroacetic acid with nitrogen and oxygen bases: correlation of spectroscopic properties with proton affinity and aqueous pKa by Nogaj, Boleslaw, Dulewicz, Ewa, Brycki, Bogumil, Hrynio, A, Barczynski, Piotr, Dega-Szafran, Zofia, Szafran, Miroslaw, Koziol, Piotr, Katritzky, Alan R

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