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P. Wałejko · SciRah

Researcher profile · Semantic Scholar

P. Wałejko

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P. Wałejko — researcher profile on SciRah

h-index: 9
Works: 37
Citations: 212

Most-cited papers

Convergent Synthesis of Menaquinone-7 (MK-7)
A. Baj, P. Wałejko, A. Kutner, Ł. Kaczmarek +2 more
201636 citations
Semantic Scholar
Multi-conformer molecules in solutions: an NMR-based DFT/MP2 conformational study of two glucopyranosides of a vitamin E model compound.
R. B. Nazarski, P. Wałejko, S. Witkowski
2016Organic and biomolecular chemistry15 citations Open access
Semantic Scholar
Glycosidic moiety changes the spectroscopic properties of dl-alpha-tocopherol in DMSO/water solution and in organic solvents.
Grażyna Neunert, P. Polewski, P. Wałejko, M. Markiewicz +2 more
2009Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy14 citations Open access
Semantic Scholar
A selective electrochemical method of glycosylation of 3beta-hydroxy-Delta 5-steroids.
J. Morzycki, Zenon Łotowski, L. Siergiejczyk, P. Wałejko +4 more
2010Carbohydrate Research13 citations
Semantic Scholar
Photostability of alpha-tocopherol ester derivatives in solutions and liposomes. Spectroscopic and LC-MS studies.
Grażyna Neunert, Artur Szwengiel, P. Wałejko, S. Witkowski +1 more
2016Journal of Photochemistry and Photobiology. B: Biology11 citations
Semantic Scholar
Partition of tocopheryl glucopyranoside into liposome membranes studied by fluorescence methods.
Grażyna Neunert, P. Polewski, M. Markiewicz, P. Wałejko +2 more
2010Biophysical Chemistry11 citations Open access
Semantic Scholar
An X-ray and Natural Bond Orbital (NBO) structural study of α-tocopheryl and 2,2,5,7,8-pentamethylchroman-6-yl succinates
P. Wałejko, L. Dobrzycki, A. Ratkiewicz, Paweł Socha +2 more
2018Journal of Saudi Chemical Society10 citations Open access
Semantic Scholar
Electrochemical synthesis of glycoconjugates of 3β-hydroxy-Δ5-steroids by using non-activated sugars and steroidal thioethers
Aneta M. Tomkiel, K. Brzezinski, Zenon Łotowski, L. Siergiejczyk +6 more
201310 citations
Semantic Scholar
Studies in the Acid Catalysed Glycosylation of α-Tocopherol
S. Witkowski, P. Wałejko
200210 citations
Semantic Scholar
Synthesis of α-Tocopheryl Glycosides
S. Witkowski, P. Wałejko
20019 citations
Semantic Scholar
Racemic crystals of trolox derivatives compared to their chiral counterparts: Structural studies using solid-state NMR, DFT calculations and X-ray diffraction
P. Wałejko, K. Paradowska, Ł. Szeleszczuk, S. Wojtulewski +1 more
20187 citations
Semantic Scholar
The effect of rotating substituent in 2,2,5,7,8-pentamethylchroman derivatives. X-ray, 13C CP MAS analysis and DFT analysis
Dorota K. Stępień, M. Cyrański, L. Dobrzycki, P. Wałejko +4 more
20147 citations
Semantic Scholar
13C CP MAS NMR study of 6-O-(β-d-glucopyranosyl)- and 6-O-(β-d-mannopyranosyl)-d-α-tocopherols
S. Witkowski, P. Wałejko, I. Wawer
19987 citations
Semantic Scholar
Gas Chromatographic and Mass Spectrometric Characterization of Trimethylsilyl Derivatives of Some Terpene Alcohol Phenylpropenoids
L. Szczepaniak, P. Wałejko, V. Isidorov
2013Analytical Sciences6 citations Open access
Semantic Scholar
The cleavage of vitamin E galactoside in the rat tissue homogenates.
S. Witkowski, P. Wałejko, M. Knaś, Jadwiga Maj +4 more
2004Il Farmaco6 citations
Semantic Scholar
The synthesis of vitamin E sugar 1,2-orthoesters
P. Wałejko, A. Baj
2019Chemical Monthly5 citations
Semantic Scholar
Phenyl glycosides – Solid-state NMR, X-ray diffraction and conformational analysis using genetic algorithm
P. Wałejko, Jarosław Bukowicki, L. Dobrzycki, Paweł Socha +1 more
2019Chemistry Physics4 citations Open access
Semantic Scholar
Stereochemistry of ring-opening/cross metathesis reactions of exo- and endo-7-oxabicyclo[2.2.1]hept-5-ene-2-carbonitriles with allyl alcohol and allyl acetate
P. Wałejko, M. Dabrowski, L. Szczepaniak, J. Morzycki +1 more
2015Beilstein Journal of Organic Chemistry4 citations Open access
Semantic Scholar
13C CP MAS NMR and DFT Studies of 6-Chromanyl Ethereal Derivatives
P. Wałejko, Ł. Szeleszczuk, D. M. Pisklak, S. Wojtulewski
2022Molecules3 citations Open access
Semantic Scholar
Selective removal of phenyl group from alkyl diphenyl phosphates
P. Wałejko, S. Witkowski
2016Journal of Saudi Chemical Society3 citations Open access
Semantic Scholar
Phenyl galactopyranosides - 13 C CPMAS NMR and conformational analysis using genetic algorithm
P. Wałejko, K. Paradowska, Jarosław Bukowicki, S. Witkowski +1 more
20153 citations
Semantic Scholar
2,2,5,7,8-Pentamethylchroman-6-yl 2,3,4,6-tetra-O-acetyl-α-d-glucopyranoside from synchrotron data
K. Brzezinski, P. Wałejko, A. Baj, S. Witkowski +1 more
2011Acta Crystallographica Section E2 citations Open access
Semantic Scholar
rac-6-Hydroxy-2,5,7,8-tetramethylchroman-2-carboxamide from synchrotron data
K. Brzezinski, Z. Dauter, A. Baj, P. Wałejko +1 more
2011Acta Crystallographica Section E2 citations Open access
Semantic Scholar
Synthesis of New Type of Vitamin E Glycoconjugates.
Agnieszka Hryniewicka, P. Wałejko, J. Morzycki, S. Witkowski
20092 citations
Semantic Scholar
Colon cancer releases alpha-tocopherol from its O-glycosides better than normal colon tissue.
M. Knaś, S. Szajda, J. Snarska, B. Zalewska-Szajda +13 more
2009Hepato-Gastroenterology2 citations
Semantic Scholar
13C CP MAS NMR study of 6-O-(beta-D-glucopyranosyl)- and 6-O-(beta-D-mannopyranosyl)-d-alpha-tocopherols.
S. Witkowski, P. Wałejko, I. Wawer
1998Solid State Nuclear Magnetic Resonance2 citations
Semantic Scholar
PREPARATION AND REACTIONS OF 5-NITROMETHYL-GAMMA -TOCOPHEROL ACETATE
S. Witkowski, A. Markowska, P. Wałejko
19972 citations
Semantic Scholar
A Combined Experimental and Theoretical Study of Chroman-6-ol α- and β-O-Glucosides: Dynamic Solution NMR, Solid-State NMR, Single-Crystal X-Ray Diffraction, and Density Functional Theory Calculations.
P. Wałejko, Ł. Szeleszczuk, A. Baj, A. Kowalska +2 more
2025ChemPlusChem1 citations
Semantic Scholar
Synthesis of new carbacyclic analogs of trolox
A. Baj, P. Wałejko, S. Witkowski
2015Chemical Monthly1 citations
Semantic Scholar
6-Hydroxy-2,5,7,8-tetramethyl-3,4-dihydro-2H-1-benzopyran-2-carbonitrile, from synchrotron data
K. Brzezinski, A. Baj, P. Wałejko, S. Witkowski +1 more
2011Acta Crystallographica Section E1 citations Open access
Semantic Scholar
Decomposition of α-Tocopheryl Glycosides in Rat Tissues
M. Knaś, P. Wałejko, Jadwiga Maj, Agnieszka Hryniewicka +4 more
2008Toxicology Mechanisms and Methods1 citations Open access
Semantic Scholar
Changes on structural and dynamic properties of model lipid membranes induced by tocopherols
S. Koronkiewicz, K. Bryl, S. Witkowski, P. Wałejko
19991 citations
Semantic Scholar
BROMINATION OF ALPHA -TOCOPHEROL ACETATE
S. Witkowski, P. Wałejko
19981 citations
Semantic Scholar
Structural and Stereochemical analysis of Trolox methyl ester THP ethers by integrated spectroscopic and computational analysis.
P. Wałejko, Jakub Iwaszczuk, Anna Kamińska, S. Wojtulewski +1 more
2026Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy0 citations Open access
Semantic Scholar
Synthesis of α-Tocopheryl Glycosides.
S. Witkowski, P. Wałejko
20010 citations
Semantic Scholar
Preparation and Reactions of 5‐Nitromethyl‐γ‐tocopherol Acetate.
S. Witkowski, A. Markowska, P. Wałejko
19970 citations
Semantic Scholar

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