Search Results - "Żylewski, Marek"

How can fluorine directly and indirectly affect the hydrogen bonding in molecular systems? – A case study for monofluoroanilines by Pietruś, Wojciech, Kurczab, Rafał, Kafel, Rafał, Machalska, Ewa, Kalinowska-Tłuścik, Justyna, Hogendorf, Adam, Żylewski, Marek, Baranska, Malgorzata, Bojarski, Andrzej J.

“…[Display omitted] •The fluorine substituent decreases the strength and frequency of N–H⋯N HBs.•The methodology to identify and separate individual HBs from the…”
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Antibacterial properties of 5-substituted derivatives of rhodanine-3-carboxyalkyl acids. Part II by Tejchman, Waldemar, Korona-Glowniak, Izabela, Kwietniewski, Ludomir, Żesławska, Ewa, Nitek, Wojciech, Suder, Piotr, Żylewski, Marek, Malm, Anna

“…Two series of rhodanine-3-acetic and rhodanine-3-propionic acids derivatives having benzylidene and cinnamylidene substituents with additional electron…”
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Synthesis of strong polycations with improved biological properties by Wytrwal, Magdalena, Koczurkiewicz, Paulina, Wójcik, Kinga, Michalik, Marta, Kozik, Bartłomiej, Żylewski, Marek, Nowakowska, Maria, Kepczynski, Mariusz

“…Poly(allylamine hydrochloride) (PAH) has found many applications both in biotechnology and biomedical fields. However, its high toxicity toward various…”
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Asymmetric synthesis of all four stereoisomers of 1-amino-3-hydroxy-cyclopentane-1-carboxylic acid by Jakubowska, Anna, Pabel, Jörg, Żylewski, Marek, Wanner, Klaus T., Kulig, Katarzyna

“…An asymmetric synthesis of all four stereoisomers of 1-amino-3-hydroxy-cyclopentane-1-carboxylic acid based on a chiral glycine equivalent, oxazinone…”
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Acylated hydroxycinnamic acid glucosides from flowers of Telekia Speciosa by Stojakowska, Anna, Malarz, Janusz, Żylewski, Marek, Kisiel, Wanda

“…•Three new acylated glucosides of hydroxycinnamic acids were described.•Seven phenolic compounds were isolated from T. speciosa flowers.•Five compounds were…”
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The synthesis, molecular structure and spectra properties of sulphur and selenium deferiprone analogues by Tejchman, Waldemar, Żesławska, Ewa, Zborowski, Krzysztof, Nitek, Wojciech, Żylewski, Marek

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Determination of photostability and photodegradation products of moxifloxacin in the presence of metal ions in solutions and solid phase. Kinetics and identification of photoproducts by Hubicka, Urszula, Krzek, Jan, Żuromska, Barbara, Walczak, Maria, Żylewski, Marek, Pawłowski, Daniel

“…Photostability of moxifloxacin (MOXI) after UVA irradiation in solutions and solid phase, with and without participation of Cu(II), Zn(II), Al(III), and…”
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Application of NMR spectroscopy for assignment of the absolute configuration of 8-tert-butyl-2-hydroxy-7-methoxy-8-methyl-9-oxa-6-azaspiro[4.5]dec-6-en-10-one by Jakubowska, Anna, Sowa, Agnieszka, Żylewski, Marek, Kulig, Katarzyna

“…ABSTRACT In order to assign the absolute configurations of 8‐tert‐butyl‐2‐hydroxy‐7‐methoxy‐8‐methyl‐9‐oxa‐6‐azaspiro[4.5]dec‐6‐en‐10‐one (2a, 2b), their…”
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Synthesis of strong polycations with improved biological properties by Wytrwal, Magdalena, Koczurkiewicz, Paulina, Wójcik, Kinga, Michalik, Marta, Kozik, Bartłomiej, Żylewski, Marek, Nowakowska, Maria, Kepczynski, Mariusz

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Structure elucidation and complete NMR spectral assignments of two new sesquiterpene lactone xylosides from Lactuca triangulata by Michalska, Klaudia, Żylewski, Marek, Kisiel, Wanda

“…Two new sesquiterpene lactone xylosides, derivatives of the guaianolides 9α‐hydroxyleucodin and 9α‐hydroxy‐11,13‐dehydroleucodin, were isolated from roots of…”
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Studies on novel pyridine and 2-pyridone derivatives of N-arylpiperazine as α-adrenoceptor ligands by Baran, Marzena, Kepczyńska, Elzbieta, Zylewski, Marek, Siwek, Agata, Bednarski, Marek, Cegła, Marek Tadeusz

“…This paper describes the synthesis of a series of new N-arylpiperazine derivatives of pyridine and 2-pyridone. The in vitro pharmacological study indicated…”
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Determination of Piroxicam and Degradation Products in Drugs by TLC by Starek, Małgorzata, Krzek, Jan, Tarsa, Monika, Żylewski, Marek

“…A thin-layer chromatography method with densitometric detection for the determination of piroxicam and its degradation products is described. Separation was on…”
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Synthesis of betulin derivatives and the determination of their relative lipophilicities using reversed-phase thin-layer chromatography by Achrem-Achremowicz, Jacek, Kępczyńska, Elżbieta, Żylewski, Marek, Janeczko, Zbigniew

“…A series of superlipophilic or highly lipophilic semisynthetic betulin derivatives was prepared and their relative lipophilicity was measured by reversed‐phase…”
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On the Manner of Cyclization of N-Acylated Aspartic and Glutamic Acid Derivatives by Zajdel, Paweł, Enjalbal, Christine, Żylewski, Marek, Subra, Gilles

“…When synthesizing arylpiperazine library modified with N -acylated amino acid derivatives (e.g., cyclized aspartic acid, cyclized glutamic acid, proline) we…”
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Synthesis of the hypotensive agent 8-amino-7-[2-hydroxy-3-morpholinopropyl]theophylline (P23) and analogs by Cegla, Marek T., Potaczek, Joanna, Zylewski, Marek, Strekowski, Lucjan

“…Synthesis of a number of 7,8‐disubstituted theophyllines including enantiomers of the hypotensive agent P23 is described. J. Heterocyclic Chem., (2009)…”
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Stability of Atenolol, Acebutolol and Propranolol in Acidic Environment Depending on its Diversified Polarity by Krzek, Jan, Kwiecie, Anna, ylewski, Marek

“…The main objective of this research was to investigate the relationship between the polarity of atenolol, acebutolol, and propranolol described by logP and…”
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Novel rearrangement of 7-(substituted aminomethyl)-6,7-dihydrooxazolo[2,3-f]purines to 7-(substituted amino)-7,8-dihydro-6H-[1,3]oxazino[2,3-f]purines by Cegła, Marek T., Potaczek, Joanna, Żylewski, Marek, Strekowski, Lucjan

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Structural analysis of 1 l- chiro-inositol diester from Taraxacum udum by Michalska, Klaudia, Żylewski, Marek, Marciniuk, Jolanta, Kisiel, Wanda

“…1 l-1,5-Di- O- p-hydroxyphenylacetyl- chiro-inositol was isolated from the leaves of Taraxacum udum, along with seven other secondary metabolites…”
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Structural analysis of 1l-chiro-inositol diester from Taraxacumudum by Michalska, Klaudia, Żylewski, Marek, Marciniuk, Jolanta, Kisiel, Wanda

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Novel rearrangement of 7-(substituted aminomethyl)-6,7-dihydrooxazolo[2,3- f]purines to 7-(substituted amino)-7,8-dihydro-6 H-[1,3]oxazino[2,3- f]purines by Cegła, Marek T., Potaczek, Joanna, Żylewski, Marek, Strekowski, Lucjan

“…[Display omitted] Oxazinopurines were obtained in high yield by the reaction of 8-bromotheophylline with morpholinomethyl-, piperidinomethyl- or…”
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