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Autor publikacji Roman Szostak
Quantitative determination of Vitamins A and E in ointments using Raman spectroscopy.
Mazurek Sylwester, Pichlak Kamil, Szostak Roman
Determination of nutritional parameters of bee pollen by Raman and infrared spectroscopy.
Węglińska Magdalena, Szostak Roman, Kita Agnieszka, Nemś Agnieszka, Mazurek Sylwester
Electrophilicity scale of activated amides: 17O NMR and 15N NMR chemical shifts of acyclic twisted amides in N−C(O) cross‐coupling.
Ielo Laura, Pace Vittorio, Holzer Wolfgang, Rahman Md. Mahbubur, Meng Guangrong, Szostak Roman, Szostak Michał
N-Acyl-glutarimides: effect of glutarimide ring on the structures of fully perpendicular twisted amides and N–C bond cross-coupling.
Rahman Md. Mahbubur, Liu Chengwei, Bisz Elwira, Dziuk Błażej, Lalancette Roger, Wang Qi, Chen Hao, Szostak Roman, Szostak Michał
N-acylcarbazoles and N-acylindoles: electronically activated amides for N–C(O) cross-coupling by Nlp to Ar conjugation switch.
Buchspies Jonathan, Rahman Md. Mahbubur, Szostak Roman, Szostak Michał
Pentafluorophenyl esters : highly chemoselective ketyl precursors for the synthesis of α,α-dideuterio alcohols using SmI2 and D2O as a deuterium source.
Li Hengzhao, Hou Yuxia, Liu Chengwei, Lai Zemin, Ning Lei, Szostak Roman, Szostak Michał, An Jie
Preference of cis-thioamide structure in N-thioacyl-N-methylanilines.
Zhang Jin, Liu Zhulin, Yin Zheng, Yang Xiufang, Ma Yangmin, Szostak Roman, Szostak Michał
Quantification of ash and moisture in wheat flour by Raman spectroscopy.
Czaja Tomasz, Sobota Aldona, Szostak Roman
Ring-opening olefin metathesis of twisted amides: activation of amide bonds by C═C cleavage.
Zhao Qun, Lalancette Roger, Szostak Roman, Szostak Michał
Structure, luminescence, and Raman spectroscopy of europium and terbium dipivaloylmethanates and other β-diketonates with 2,2'-bipyridine.
Tsaryuk Vera I., Zhuravlev Konstantin P., Szostak Roman, Vologzhanina Anna V.
17O NMR and 15N NMR chemical shifts of sterically-hindered amides: ground-state destabilization in amide electrophilicity.
Pace Vittorio, Holzer Wolfgang, Lelo Laura, Shi Shicheng, Meng Guangrong, Hanna Mina, Szostak Roman, Szostak Michał
Chemistry of bridged lactams: recent developments.
Szostak Roman, Szostak Michał
Polypyrrole—methyl orange Raman pH sensor.
Czaja Tomasz Paweł, Wójcik Kamil, Grzeszczuk Maria, Szostak Roman
Sterically hindered ketones via palladium-catalyzed Suzuki–Miyaura cross-coupling of amides by N–C(O) activation.
Liu Chengwei, Lalancette Roger, Szostak Roman, Szostak Michał
Triflamides: highly reactive, electronically activated N-sulfonyl amides in catalytic N–C(O) amide cross-coupling.
Shi Shicheng, Lalancette Roger, Szostak Roman, Szostak Michał
Tröger’s base twisted amides: high amide bond twist and N-/O-protonation aptitude.
Szostak Roman, Szostak Michał
Acyl and decarbonylative Suzuki coupling of N-acetyl amides: electronic tuning of twisted, acyclic amides in catalytic carbon–nitrogen bond cleavage.
Liu Chengwei, Li Guangchen, Shi Shicheng, Meng Guangrong, Lalancette Roger, Szostak Roman, Szostak Michał
Barriers to rotation in ortho-substituted tertiary aromatic amides : effect of chloro-substitution on resonance and distortion.
Bisz Elwira, Piontek Aleksandra, Dziuk Błażej, Szostak Roman, Szostak Michał
Determination of nutritional parameters of yoghurts by FT Raman spectroscopy.
Czaja Tomasz Paweł, Baranowska Maria, Mazurek Sylwester, Szostak Roman
Determining moisture content in pasta by vibrational spectroscopy.
Czaja Tomasz Paweł, Kuzawińska Ewelina, Sobota Aldona, Szostak Roman
Electrocrystallization of silver nanoparticles from silver halides in polypyrrole evidenced by their SERS activity—thermodynamic and kinetic conditions.
Wójcik Kamil, Czaja Tomasz Paweł, Szostak Roman, Grzeszczuk Maria
Microheterogeneity in binary mixtures of water with CH3OH and CD3OH: ATR-IR spectroscopic, chemometric and DFT studies.
Tomza Paweł, Wrzeszcz Władysław, Mazurek Sylwester, Szostak Roman, Czarnecki Mirosław A.
Microheterogeneity in CH3OH/CD3OH mixture.
Wrzeszcz Władysław, Mazurek Sylwester, Szostak Roman, Tomza Paweł, Czarnecki Mirosław A.
Quantification of active ingredients in Potentilla tormentilla by Raman and infrared spectroscopy.
Mazurek Sylwester, Fecka Izabela, Węglińska Magdalena, Szostak Roman
Reversible twisting of primary amides via ground state N—C(O) destabilization: highly twisted rotationally inverted acyclic amides.
Meng Guangrong, Shi Shicheng, Lalancette Roger, Szostak Roman, Szostak Michał
Structures and energetic properties of 4-halobenzamides.
Piontek Aleksandra, Bisz Elwira, Dziuk Błażej, Szostak Roman, Szostak Michał
The most twisted acyclic amides: structures and reactivity.
Liu Chengwei, Shi Shicheng, Liu Yongmei, Liu Ruzhang, Lalancette Roger, Szostak Roman, Szostak Michał
Twisted N-acyl-hydantoins: rotationally inverted urea-imides of relevance in N—C(O) cross-coupling.
Szostak Roman, Liu Chengwei, Lalancette Roger, Szostak Michał
Determination of antioxidant activity and polyphenols content in chips by Raman and IR spectroscopy.
Mazurek Sylwester, Szostak Roman, Kita Agnieszka, Kucharska Alicja Z., Sokół-Łętowska Anna, Hamouz Karel
N-methylamino pyrimidyl amides (MAPA): highly reactive, electronically-activated amides in catalytic N—C(O) cleavage.
Meng Guangrong, Lalancette Roger, Szostak Roman, Szostak Michał
Palladium-catalyzed Suzuki-Miyaura cross-coupling of N-mesylamides by N—C cleavage : electronic effect of the mesyl group.
Liu Chengwei, Liu Yongmei, Liu Ruzhang, Lalancette Roger, Szostak Roman, Szostak Michał
Quantification of active ingredients in pharmaceutical suspensions by FT Raman spectroscopy.
Mazurek Sylwester, Szostak Roman
Resonance destabilization in N-acylanilines (anilides) : electronically-activated planar amides of relevance in N—C(O) cross-coupling.
Szostak Roman, Meng Guangrong, Szostak Michał
Silver(I) chloride-polypyrrole composite: electrochemical preparation, characterization, and application as a SERS platform.
Wójcik Kamil, Czaja Tomasz Paweł, Szostak Roman, Grzeszczuk Maria
Suzuki—Miyaura cross—coupling of amides and esters at room temperature : correlation with barriers to rotation around C–N and C–O bonds.
Lei Peng, Meng Guangrong, Shi Shicheng, Ling Yun, An Jie, Szostak Roman, Szostak Michał
Suzuki—Miyaura cross-coupling of N-acylpyrroles and pyrazoles : planar, elecronically activated amides in catalytic N—C cleavage.
Meng Guangrong, Szostak Roman, Szostak Michał
Application of infrared reflection and Raman spectroscopy for quantitative determination of fat in potato chips.
Mazurek Sylwester, Szostak Roman, Kita Agnieszka
Ground-state distortion in N-acyl-tert-butyl-carbamates (Boc) and N-acyl-tosylamides (Ts) : twisted amides of relevance to amide N−C cross-coupling.
Szostak Roman, Shi Shicheng, Meng Guangrong, Lalancette Roger, Szostak Michał
Highly chemoselective synthesis of indolizidine lactams by Sml2-induced umpolung of the amide bond via aminoketyl radicals : efficient entry to alkaloid scaffolds.
Shi Shicheng, Lalancette Roger, Szostak Roman, Szostak Michał
Microheterogeneity in binary mixtures of methanol with aliphatic alcohols: ATR-IR/NIR spectroscopic, chemometrics and DFT studies.
Wrzeszcz Władysław, Tomza Paweł, Kwaśniewicz Michał, Mazurek Sylwester, Szostak Roman, Czarnecki Mirosław A.
Modeling red coral (Corallium rubrum) and African snail (Helixia aspersa) shell pigments : Raman spectroscopy versus DFT studies.
Kupka Teobald, Buczek Aneta, Broda Małgorzata, Szostak Roman, Lin Hong-Ming, Fan Lu-Wei, Wrzalik Roman, Stobiński Leszek
N-acylsaccharins: stable electrophilic amide-based acyl transfer reagents in Pd-catalyzed Suzuki-Miyaura coupling via N—C cleavage.
Liu Chengwei, Meng Guangrong, Liu Yongmei, Liu Ruzhang, Lalancette Roger, Szostak Roman, Szostak Michał
Proton-coupled electron transfer in the reduction of carbonyls using Sml2-H2O : implications for the reductive coupling of acyl-type ketyl radicals with Sml2-H2O.
Shi Shicheng, Szostak Roman, Szostak Michał
Quantification of gluten in wheat flour by FT-Raman spectroscopy.
Czaja Tomasz Paweł, Mazurek Sylwester, Szostak Roman
Quantitative analysis of solid samples using modified specular reflectance accessory.
Czaja Tomasz Paweł, Mazurek Sylwester, Szostak Roman
Quantitative analysis of topical gels and ointments by FT-Raman spectroscopy.
Mazurek Sylwester, Szostak Roman
Structures of highly twisted amides relevant to amide N—C cross-coupling: evidence for ground-state amide destabilization.
Pace Vittorio, Holzer Wolfgang, Meng Guangrong, Shi Shicheng, Lalancette Roger, Szostak Roman, Szostak Michał
An efficient computational model to predict protonation at the amide nitrogen and reactivity along the C–N rotational pathway.
Szostak Roman, Aubé Jeffrey, Szostak Michał
Analysis of milk by FT-Raman spectroscopy.
Mazurek Sylwester, Szostak Roman, Czaja Tomasz Paweł, Zachwieja Andrzej
Structures and manifestation of ortho-,meta-, and para-NH2-substitution in the optical spectra of europium and terbium aminobenzoates.
Tsaryuk Vera I., Vologzhanina Anna V., Zhuravlev Konstantin P., Kudryashova Valentina A., Szostak Roman, Zolin V. F.
Techniki hybrydowe w elektroanalizie – w kierunku chemometrii.
Grzeszczuk Maria, Szostak Roman
Quantification of active ingredients in suppositories by FT-Raman spectroscopy.
Szostak Roman, Mazurek Sylwester
Raman spectroelectrochemistry of polyaniline synthesized using different electrolytic regimes : multivariate analysis.
Grzeszczuk Maria, Grańska Anna, Szostak Roman
Quantitative determination of prednisone in tablets by infrared attenuated total reflection and Raman spectroscopy.
Mazurek Sylwester, Szostak Roman
Structures, luminescence and vibrational spectroscopy of europium and terbium nitro- and dinitro-substituted benzoates. Nitro groups as quenchers of Ln3+ luminescence.
Tsaryuk Vera I., Kudryashova Valentina A., Gawryszewska Paula, Szostak Roman, Vologzhanina Anna V., Zhuravlev Konstantin P., Klemenkova Z., Legendziewicz Janina, Zolin V. F.
Chemometric detection of acetaminophen in pharmaceuticals by infrared spectroscopy combined with pattern recognition techniques : comparison of attenuated total reflectance-FTIR and Raman spectroscopy.
Komsta Ł., Czarnik-Matusewicz Henryk, Szostak Roman, Gumieniczek A., Pietraś R., Skibiński R., Inglot T.
Quantification of aspartame in commercial sweeteners by FT-Raman spectroscopy.
Mazurek Sylwester, Szostak Roman
The influence of sample area on diclofenac sodium quantification by diffuse reflectance IR spectroscopy.
Szostak Roman, Mazurek Sylwester
C–X···O halogen bonding: interactions of trifluoromethyl halides with dimethyl ether.
Hauchecorne D., Szostak Roman, Herrebout Wouter A., Van der Veken Benjamin J.
Quantification of atorvastatin calcium in tablets by FT-Raman spectroscopy.
Mazurek Sylwester, Szostak Roman
Simple transformation of spectra to effectively reduce quantification errors in FT-Raman multivariate analysis of complex systems.
Szostak Roman, Mazurek Sylwester
Blocking effect of ligand spacer groups on the luminescence excitation of europium aromatic carboxylates.
Tsaryuk Vera I., Zolin V. F., Zhuravlev Konstantin P., Kudryashova Valentina A., Legendziewicz Janina, Szostak Roman
Quantitative determination of diclofenac sodium in solid dosage forms by FT-Raman spectroscopy.
Mazurek Sylwester, Szostak Roman
Spectroscopy of Eu3+ and Tb3+ pyridine- and pyrazine-2-carboxylates.
Zolin V. F., Tsaryuk Vera I., Kudryashova Valentina A., Zhuravlev Konstantin P., Gawryszewska Paula, Legendziewicz Janina, Szostak Roman
Electronic structure and vibrational spectra ofcis-diammine(orotato)platinum(II), a potential cisplatin analoque: DFT and experimental study.
Wysokiński Rafał, Hernik K., Szostak Roman, Michalska D.
Luminescence efficiency of aromatic carboxylates of europium and terbium when methylene bridges and nitro groups are present in the ligands.
Tsaryuk Vera I., Zhuravlev Konstantin P., Zolin V. F., Kudryashova Valentina A., Legendziewicz Janina, Szostak Roman
Quantitative determination of captopril and prednisolone in tablets by FT-Raman spectroscopy.
Mazurek Sylwester, Szostak Roman
Quantitative determination of diclofenac sodium and aminophylline in injection solutions by FT-Raman spectroscopy.
Mazurek Sylwester, Szostak Roman
Effect of ligand radicals on vibrational IR, Raman and vibronic spectra of europium β-diketonates.
Tsaryuk Vera I., Zolin V. F., Legendziewicz Janina, Szostak Roman, Sokolnicki Jerzy
A quantitative analysis of liquid hydrocarbon mixtures on the basis of FT-Raman spectra registered under unstable conditions.
Szostak Roman, Mazurek Sylwester
FT-Raman quantification of active pharmaceutical ingredients in tablets using multivariate PCR and PLS regression.
Szostak Roman, Mazurek Sylwester
Ft-Raman quantitative determination of ambroxol in tablets.
Szostak Roman, Mazurek Sylwester
Optical spectroscopy of europium nitrate with 2,2'-bipyridine Eu(NO3)3·Bpy3. One more of compounds with outer-sphere Bpy molecule ?.
Tsaryuk Vera I., Zolin V. F., Legendziewicz Janina, Szostak Roman, Gawryszewska Paula
Spectroscopy of europium and terbium pyridine-carboxylates.
Zolin V. F., Puntus L., Tsaryuk Vera I., Kudryashova Valentina A., Legendziewicz Janina, Gawryszewska Paula, Szostak Roman
Electrochemical and Raman studies on the redox switching hysteresis of polyaniline.
Grzeszczuk Maria, Szostak Roman
Vibrational spectra of racemic and enantiomeric malic acids.
Barańska H., Kuduk-Jaworska Janina, Szostak Roman, Romaniewska Anna
Charge transfer bands in the Eu3+ luminescence excitation spectra of isomeric europium pyridine-dicarboxylates.
Puntus L., Zolin V. F., Kudryashova Valentina A., Tsaryuk Vera I., Legendziewicz Janina, Gawryszewska Paula, Szostak Roman
Charge transfer bands in the luminescence excitation spectra of isomeric pyridinedicarboxylic salts of europium.
Zolin V. F., Puntus L., Kudryashova Valentina A., Tsaryuk Vera I., Legendziewicz Janina, Gawryszewska Paula, Szostak Roman
Quantitative determination of acetylsalicylic acid and acetaminophen in tablets by FT-Raman spectroscopy.
Szostak Roman, Mazurek Sylwester
Spectra and details of the structure of europium aliphatic carboxylates with 1,10-phenanthroline derivatives.
Tsaryuk Vera I., Turowska-Tyrk Ilona, Legendziewicz Janina, Zolin V. F., Szostak Roman, Puntus L.
Spectra and details of the structure of europium acetates with derivatives of 1,10-phenanthroline.
Tsaryuk Vera I., Legendziewicz Janina, Zolin V. F., Sokolnicki Jerzy, Szostak Roman, Puntus L.
The nature of improper, blue-shifting hydrogen bonding verified experimentally.
Van der Veken Benjamin J., Herrebout Wouter A., Szostak Roman, Shchepkin D., Havlas Zdenek, Hobza Pavel
Methylenecyclopropane-boron trifluoride van der Waals complexes; an infrared and DFT study.
Herrebout Wouter A., Szostak Roman, Van der Veken Benjamin J.
On the HCI and DCI complexes of methylenecyclopropane in liquid argon.
Szostak Roman, Herrebout Wouter A., Van der Veken Benjamin J.
Vibronic spectra and details of the structure of europium nitrates with derivatives of 1,10-phenanthroline.
Tsaryuk Vera I., Zolin V. F., Puntus L., Savchenko V., Legendziewicz Janina, Sokolnicki Jerzy, Szostak Roman
Infrared studies of the α,α-dicyclohexyl-cyclohexane-methanol single crystal [(C6H11) 3COH].
Mielke Zofia, Malarski Zbigniew, Szostak Roman, Zelsmann H. R.
Propwerties of hexasubstituted benzenes with one or two nitro groups. Dielectric, DSC, X-ray and Raman studies.
Kołodziej Hubert A., Orzechowski Kazimierz, Szostak Roman, Freundlich Piotr, Głowiak Tadeusz, Sorriso S.
Temperature dependence of Raman spectra in 1,2-dinitrotetrachlorobenzene.
Kołodziej Hubert A., Orzechowski Kazimierz, Szostak Roman, Sorriso S.
On the influence of isotopic composition on vibrational bandshapes in liquids.
Szostak Roman, Hawranek Jerzy P.
Vibrational and reorientational relaxation in liquid tertbutyl bromide and tertbutyl bromide-d9.
Szostak Roman, Hawranek Jerzy P.
On the determination of experimental correlation times.
Szostak Roman, Hawranek Jerzy P.
