Ph.D. Małgorzata Ratajczak-Sitarz
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Graduated Ph.D. 1 January, 1993 "The study of the crystal and molecular structure selected phenyl-sulphur compounds" (Badania struktury krystalicznej i molekularnej wybranych związków fenylosiarkowych)
Articles printed in: [2018] [2017] [2016] [2015] [2014] [2013] [2012] [2011] [2010] [2009] [2008] [2007] [2006] [2005] [2003] [2002] [1999] [1998] [1996] [1994] [1992] [1990] [before1990]
To request PDF's of inividual articles, please e-mail to Ph.D. Michalina Rusek:
Spectroscopic, structural and theoretical investigation of 1,3-bis(3- hydroxymethylpyridinium)propane dibromide, tetrabromozincate and tetrabromocuprate
A. Komasa, P. Barczyński, M. Ratajczak-Sitarz, A. Katrusiak
J. Mol. Struct. 2018 1163 345-356
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Syntheses, Crystal Structures and Spectroscopic Studies of Bis[1-methyl-3-(methoxycarbonylmethyl)-benzimidazolium]2+ [CuBr4]2- and [ZnBr4]2- Compounds
Ł. Czekański, S. K. Hoffmann, P. Barczyński, A. Gąsowska, A. Zalewska, J. Goslar, M. Ratajczak-Sitarz, A. Katrusiak,
ChemistrySelect 2017 2 11120-11130
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Crystal structure and physical properties of 1-methyl-3-(carboxymethyl)benzimidazolium betaineCuBr2 in crystal and water solution
Ł. Czekański, S. K. Hoffmann, P. Barczyński, A. Gąsowska, R. Bregier-Jarzębowska, A. Zalewska, J. Goslar, M. Ratajczak-Sitarz, A. Katrusiak,
New J. Chem. 2016 40 10526-10535
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Crystal structure and physical properties of 1-methyl-3-(carboxymethyl)benzimidazolium betaineCuBr2 in crystal and water solution
Ł. Czekański, S. K. Hoffmann, P. Barczyński, A. Gąsowska, R. Bregier-Jarzębowska, A. Zalewska, J. Goslar, M. Ratajczak-Sitarz, A. Katrusiak,
New J. Chem. 2016 40 10526-10535
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Structure, spectroscopy and DFT calculations of 1,2-di(3-hydroxymethylpyridinium)ethane dibromide
A. Komasa, P. Barczyński, M. Ratajczak-Sitarz, A. Katrusiak, Z. Dega-Szafran, M. Szafran,
J. Mol. Struct. 2016 1120 341-350
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Spectroscopic studies of the equilibrium between complexes of lasalocid acid with propargylamine and metal cations
J. Rutkowski, A. Huczyński, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski, F. Bartl,
Spectrochim. Acta A 2015 150 704-711
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Spectroscopic and Structural Investigation of 2,5-Dicarboxy-1-Methylpyridinium Inner Salt
P. Barczyński, A. Komasa, A. Katrusiak, Z. Dega-Szafran, Ł. Nowaczyk, M. Ratajczak-Sitarz, M. Szafran,
Spectrochim. Acta, Part A 2014 121 586-595
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Systematics in NH+...N-Bonded Monosalts of 4,4'-Bipyridine (44'biPy) with Mineral Acids
M. Ratajczak-Sitarz, A. Katrusiak, Z. Dega-Szafran, G. Stefański,
Cryst. Growth Des. 2013 13 4378-4384
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X-Ray Crystallographic, FT-IR and NMR Studies as Well as Anticancer and Antibacterial Activity of the Salt Formed between Ionophore Antibiotic Lasalocid Acid and Amines
A. Huczyński, J. Rutkowski, J. Wietrzyk, J. Stefańska, E. Maj, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski, F. Bartl,
J. Mol. Struct. 2013 1032 69-77
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Structure and Spectroscopic Studies of 2,3-Diethoxycarbonyl-1-Methylpyridinium Nitrate
P. Barczyński, M. Ratajczak-Sitarz, Ł. Nowaczyk, A. Katrusiak, Z. Dega-Szafran, M. Szafran,
J. Mol. Struct. 2013 1035 348-357
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Structure and Conformation of 2,3-Diethoxycarbonyl-1-Methylpyridinium Iodide Studied by NMR, FTIR, Raman, X-Ray Diffraction and DFT Methods
P. Barczyński, M. Ratajczak-Sitarz, Ł. Nowaczyk, A. Katrusiak, Z. Dega-Szafran, A. Komasa, M. Szafran,
Spectrochim. Acta, Part A 2013 115 208-218
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Structure of 2,3-Dicarboxy-1-Methylpyridinium Monohydrate Studied by X-Ray Diffraction, DFT Calculations, FTIR, Raman and NMR Spectra
P. Barczyński, M. Ratajczak-Sitarz, Ł. Nowaczyk, A. Katrusiak, Z. Dega-Szafran, M. Szafran,
J. Mol. Struct. 2012 1013 1-10
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Structure of 2,3-Dicarboxy-1-Methylpyridinium Chloride Studied by X-Ray Diffraction, DFT Calculation, NMR, FTIR and Raman Spectra
P. Barczyński, M. Szafran, M. Ratajczak-Sitarz, Ł. Nowaczyk, Z. Dega-Szafran, A. Katrusiak,
J. Mol. Struct. 2012 1018 21-27
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Reinvestigation of the Structure of Monensin a Phenylurethane Sodium Salt Based on X-Raycrystallographic and Spectroscopic Studies, and Its Activity against Hospital Strains of Methicillin-resistantS. Epidermidis and S. Aureus
A. Huczyński, M. Ratajczak-Sitarz, J. Stefańska, A. Katrusiak, B. Brzezinski, F. Bartl,
J. Antibiot. 2011 64 249-256
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Structure of 3,4-Dicarboxy-1-Methylpyridinium Inner Salt Studied by X-Ray Diffraction, DFT Calculations, FTIR, Raman and NMR Spectra
P. Barczyński, A. Komasa, M. Ratajczak-Sitarz, A. Katrusiak, Z. Dega-Szafran, M. Szafran, J. Mol. Struct. 2011 994 216-222
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Structural Investigation of a New Complex of N-Allylamide of Monensin a with Strontium Perchlorate Using X-Ray, FT-IR, ESI MS and Semiempirical Methods
A. Huczyński, D. Lowicki, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski
J. Mol. Struct. 2011 995 20-28
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Coupling of Molecular Orientation with the Hydrogen-Bond Dimensions and H-Sites in Carboxylic Acids
M. Ratajczak-Sitarz, A. Katrusiak,
J. Mol. Struct. 2011 995 29-34
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X-Ray, Spectroscopic and Semiempirical Investigation of the Structure of Lasalocid 6-Bromohexyl Ester and Its Complexes with Alkali Metal Cations
A. Huczyński, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2011 998 206-215
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Molecular Structure of the 2:2 Complex of Cyclic Oxaalkyl Diamide of O-Phthalic Acid with Sodium Perchlorate
A. Huczyński, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2010 967 166-173
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Structure of 1-Methyl-6-Oxyquinolinium Betaine Dihydrate Studied by X-Ray Diffraction, DFT Calculations, Vibrational and NMR Spectra
P. Barczyński, M. Ratajczak-Sitarz, A. Katrusiak, M. Szafran,
J. Mol. Struct. 2010 976 87-96
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Crystals of the Kemp's Triacid Salts. Part V: Structure of Hydrogen-Bonded Complex of Kemp's Triacid with 7-Methyl-1,5,7-Triazabicyclo[4.4.0]Dec-5-Ene Studied by X-Ray and FT-IR Methods
A. Huczyński, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2010 982 57-61
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Structural, Spectroscopic and Theoretical Studies of Short OHO Hydrogen Bonds in 2:1 Complexes of 1-Methyl-6-Oxyquinolinium Betaine with Mineral Acids
P. Barczyński, A. Komasa, M. Ratajczak-Sitarz, A. Katrusiak, Z. Dega-Szafran, M. Szafran,
J. Mol. Struct. 2010 984 326-331
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Structure of 6-Hydroxy-1-Methylquinolinium Chloride Hydrate Studied by X-Ray, DFT Calculations, FTIR and NMR Spectroscopes
P. Barczyński, A. Komasa, M. Ratajczak-Sitarz, A. Katrusiak, J. Koput, Z. Dega-Szafran, M. Szafran,
J. Mol. Struct. 2010 984 359-370
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Synthesis, Crystal Structures and Antibacterial Activity Studies of Aza-Derivatives of Phytoalexin from Cotton Plant - Gossypol
P. Przybylski, K. Pyta, J. Stefańska, M. Ratajczak-Sitarz, A. Katrusiak, A. Huczyński, B. Brzezinski,
Eur. J. Med. Chem. 2009 44 4393-4403
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The Molecular Structure of the 4-Nitrophenyl[Bis(Ethylsulfonyl)]Methane and Its Response in the Formation of the Complexes with the Strong Organic Bases
I. Binkowska, M. Ratajczak-Sitarz, A. Katrusiak, A. Jarczewski,
J. Mol. Struct. 2009 917 52-55
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Structural and Spectroscopic Studies of a New 2-Naphthylmethyl Ester of Lasalocid Acid
A. Huczyński, I. Paluch, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski, F. Bartl,
J. Mol. Struct. 2009 918 108-115
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Structural and Antimicrobial Studies of a New N-Phenylamide of Monensin a Complex with Sodium Chloride
D. Lowicki, A. Huczyński, M. Ratajczak-Sitarz, A. Katrusiak, J. Stefańska, B. Brzezinski, F. Bartl,
J. Mol. Struct. 2009 923 53-59
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The Structural Studies of the 4-Nitrophenyl[Bis(Benzylthio)]Methane by X-Ray and Spectroscopic Methods. The Possible Outcome in Its Proton Donor Properties
I. Binkowska, M. Ratajczak-Sitarz, A. Katrusiak, A. Jarczewski,
J. Mol. Struct. 2009 928 54-58
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Cyclic Oxaalkyl Diamide of O-Phthalic Acid as a New Macrocyclic Ligand for Complexation of Li+Cation
A.Huczyński, M.Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2009 930 26-31
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Structure of a New Schiff Base of Gossypol with Ethyl 4-Amino-1-Piperidine Carboxylate in the Solid and in the Solution
P. Przybylski, K. Pyta, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
Pol. J. Chem. 2009 83 747-759
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Structural and Spectroscopic Studies of the 1:1 Complex of Lasalocid Acid with 1,5,7-Triazabicyclo[4.4.0]Dec-5-Ene
A. Huczyński, T. Pospieszny, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2008 875 501-508
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Molecular Structure of 1,3-Bis(Carboxymethyl)Imidazolium Bromide and Its Betaine Form in Crystal
P. Barczyński, A. Komasa, M. Ratajczak-Sitarz, A. Katrusiak, A. Huczyński, B. Brzezinski,
J. Mol. Struct. 2008 876 170-176
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Structural and Spectroscopic Studies of New O-, M- and P-Nitrobenzyl Esters of Lasalocid Acid
A. Huczyński, T. Pospieszny, R. Wawrzyn, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski, F. Bartl,
J. Mol. Struct. 2008 877 105-114
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Molecular Structure of Rubidium Six-Coordinated Dihydrate Complex with Monensin A
A. Huczyński, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2008 888 224-229
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Cocrystals of Kemp's Triacid. Part I: Molecular Structure of 2:2 Complex of 1,5,7-Triazabicyclo[4.4.0]Dec-5-Ene with Kemp's Triacid
A. Huczyński, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2008 888 84-91
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Cocrystals of Kemp's Triacid. Part II. Molecular Structure of the Complex of Kemp's Triacid with 1,8-Diazabicyclo[5.4.0]Undec-7-Ene
A. Huczyński, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2008 889 64-71
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Spectroscopic Studies, Crystal Structures and Antimicrobial Activities of a New Lasalocid 1-Naphthylmethyl Ester
A. Huczyński, I. Paluch, M. Ratajczak-Sitarz, A. Katrusiak, J. Stefanska, B. Brzezinski, F. Bartl,
J. Mol. Struct. 2008 891 481-490
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Cocrystals of Kemp's Triacid. Part III: Structure of Hydrogen-Bonded Complex of Kemp's Triacid with 1,1,3,3-Tetramethylguanidine Studied by X-Ray and FT-IR Methods
A. Huczyński, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2008 892 414-419
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X-Ray, FT-IR, ESI MS and PM5 Studies of Schiff Base of Gossypol with Allylamine and Its Complexes with Alkali Metal Cations and Perchlorate Anion
P. Przybylski, K. Pyta, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
Struct. Chem. 2008 19 983-995
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Molecular Structure of the 1:1 Inclusion Complex of Monensin a Sodium Salt with Acetonitrile
A. Huczyński, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2007 832 84-89
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Spectroscopic, Semiempirical and X-Ray Structural Study of the 2:1 Complex of a Cyclic Diamide of O-Phthalic Acid with Water Molecule
P. Przybylski, A. Huczyński, M. Wichlacz, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2007 840 22-28
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Molecular Structure of the 1:1 Inclusion Complex of Monensin a Lithium Salt with Acetonitrile
A. Huczyński, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2007 871 92-97
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Racemate Resolution via Diastereomeric Helicates in Hydrogen-Bonded Co-Crystals: The Case of BINOL-Diamine Complexes
M. Ratajczak-Sitarz, A. Katrusiak, K. Gawrońska, J. Gawroński,
Tetrahedron: Asymmetry 2007 18 765-773
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Molecular Structure of 8-Hydroxy-1-Methylquinolinium Iodide Hydrate in Crystal and Solution
P. Barczyński, A. Komasa, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2006 791 106-110
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X-Ray and Spectroscopic Studies of the Molecular Structure of Bis(8-Oxy-1-Methylquinolinium) Hydroiodide
P. Barczyński, A. Komasa, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2006 800 135-139
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Nucleophilic Substitution and Lipophilicity - Structure Relations in Methylazolopyridazines
A. A. Katrusiak, M. Ratajczak-Sitarz, U. Skierska, W. Zinczenko,
Collect. Czech. Chem. Commun. 2005 70 1372-1386
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Transformations of the Molecular Complex of Hydroiodide of 7-Methyl-1,5,7-Triazabicyclo[4.4.0]Dec-5-Ene and 5,5'-Dibromo-2,2'-Biphenol between Crystal and Solutions
G. Wojciechowski, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2005 741 37-43
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Crystal Structure of Schiff Base Derivative of 2,2'-Dihydroxybiphenyl-3-Carbaldehyde with N-Butylamine
G. Wojciechowski, M. Ratajczak-Sitarz, A. Katrusiak, W. Schilf, P. Przybylski, B. Brzezinski,
J. Mol. Struct. 2003 650 191-199
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Crystal Structure of Schiff Base Derivative of Gossypol with 3,6,9-Trioxa-Decylamine
P. Przybylski, M. Ratajczak-Sitarz, A. Katrusiak, W. Schilf, G. Wojciechowski, B. Brzezinski,
J. Mol. Struct. 2003 655 293-300
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Shape of the Proton Potential in an Intramolecular Hydrogen-Bonded System. Part II
G. Wojciechowski, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2002 612 59-64
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Molecular Structure of a Complex Formed between Hydrobromide of 7-Methyl-1,5,7-Triazabicyclo[4.4.0]Dec-5-Ene with 5,5'-Dibromo-2,2'-Diphenol in Crystal and Solutions
G. Wojciechowski, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2002 613 73-81
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Cooperative Hydrogen-Bonded Chain in Molecular-Ionic Complex of 5,5'-Dibromo-2,2'-Diphenol with 7-Methyl-1,5,7-Triazabicyclo[4.4.0]Dec-5-Ene Hydrofluoride
G. Wojciechowski, M. Ratajczak-Sitarz, A. Katrusiak, B. Brzezinski,
J. Mol. Struct. 2002 613 83-90
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Stereochemistry and Transformations of NH-N Hydrogen Bonds. Part II. Proton Stability in the Monosalts of 1,4-Diazabicyclo[2.2.2]Octane
A. Katrusiak, M. Ratajczak-Sitarz, E. Grech,
J. Mol. Struct. 1999 474 135-141
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Conformational Analysis of 5-Piperidinevaleric Acid, 5-(N-Methylpiperidine)Valerate and Their Hydrogen Halides by MO Calculations, X-Ray Diffraction and FTIR Spectroscopy
M. Szafran, Z. Dega-Szafran, E. Dulewicz, Z. Kosturkiewicz, M. Nowakowska, W. Orwat, M. Ratajczak-Sitarz,
J. Mol. Struct. 1999 484 125-138
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X-Ray Diffraction and EPR Studies of Binuclear Complex [CuCl(C6H9N3O3)2.H2O]2Cl2Crystals
M. Ratajczak-Sitarz, A. Katrusiak, H. Wojakowska, M. Januszczyk, R. Krzyminiewski,J. Pietrzak,
Inorganica Chimica Acta 1998 269 326-331
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Conformational Analysis ofN-Methylpyrrolidine Betaine Hydrochloride by X-Ray Diffraction and Ab Initio Calculations
Z. Dega-Szafran, M. Ratajczak-Sitarz, L. Prawniczak, Z. Kosturkiewicz, J. Koput, M. Szafran,
J. Chem. Res. (S) 1998 296-297
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Synthesis of (-)-5amino-2(3,4-Dimethoxyphenyl)-4-Phenyl-1,3-Dithiane
P. Fiedorow, M. Ratajczak-Sitarz, M. D. Rozwadowska, Z. Rozwadowski,
J. Mol. Struct. 1998 442 65-70
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Crystal Structure of Nitromethane Solvated (-)-2(3,4-Dimethoxyphenyl)-4-Phenyl-5-Phthalimido-1,3-Dithiane
M. Ratajczak-Sitarz, M. D. Rozwadowska, A. Katrusiak,
Pol. J. Chem. 1998 72 2493-2499
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Molecular and Crystal Structures of Dithiosuccinimide and
2,2,3,3-Tetramethyldithiosuccinimide
M. Ratajczak-Sitarz, A. Katrusiak, T. Połoński,
J. Mol. Struct. 1996 374 357-362
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The Structure of Two Optically Active Products Formed in Reaction of Piperonal with (-)-Menthyl Chloroformate
M. Ratajczak-Sitarz, M. Naruszewicz, Z. Kosturkiewicz, J. Józkowiak, M. D. Rozwadowski,
Pol. J. Chem. 1996 70 310-319
Crystal and Molecular Structure of 3-Chloro-5-Tosylmethylpyridazine
M. Ratajczak-Sitarz, A. Katrusiak,
Pol. J. Chem. 1994 68 255-260
Crystal and Molecular Structure of Phenylsulphonylmethyl Bromide
M. Ratajczak-Sitarz, A. Katrusiak,
Pol. J. Chem. 1994 68 467-472
3-Chloro-6-Methoxy-5-Tosylmethylpyridazine
M. Ratajczak-Sitarz, A. Katrusiak,
Acta Crystallogr., Sect. C 1992 48 1504-1506
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Crystal and Molecular Structure of S,S-[Thiobis(1,4-Benzylo)] Di(Thiobenzoate)
M. Ratajczak-Sitarz, A. Katrusiak, M. Gdaniec,
Pol. J. Chem. 1992 66 1169-1174
Molecular and Crystal Structure of 3-(4-Chlorophenylthio)-1-(2,4-Dinitrophenyloamino)-Pyrrolidine-2,5-Dione
M. Ratajczak-Sitarz, Z. Kałuski, A. Ostrowicz, S. Baloniak,
J. Crystallogr. Spectrosc. Res. 1990 20 535-539
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Structural and FMR Studies of Sr2FeVO5.6Single Crystals
A. Maryanowska, J. Pietrzak, M. Ratajczak-Sitarz, Z. Kałuski,
Acta Phys. Pol. 1989 A76 97-100
4,4'-Thiodi-(α-Toluenethiol)
M. Ratajczak-Sitarz, A. Katrusiak, Z. Kałuski, J. Garbarczyk,
Acta Crystallogr., Sect. C 1988 44 315-317
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Conformation of Diphenylsulphide Derivatives
M. Ratajczak-Sitarz, A. Katrusiak, Z. Kałuski,
Acta Crystallogr., Sect. A 1987 43 C67
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3-Benzylidene-4-Chromanone
A. Katrusiak, M. Ratajczak-Sitarz, Z. Kałuski, V. D. Orlov,
Acta Crystallogr., Sect. C 1987 43 103-105
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17-OxosparteineN(1)-Oxide Hydrochloride
A. Katrusiak, M. Ratajczak-Sitarz, Z. Kałuski,
Acta Crystallogr., Sect. C 1987 43 2386-2389
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4,4'-Biphenyldithiol
M. Ratajczak-Sitarz, A. Katrusiak, Z. Kałuski, J. Garbarczyk,
Acta Crystallogr., Sect. C 1987 43 2389-2391
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4-Benzylidene-2,3,4,5-Tetrahydro-1-Benzoxepin-5-One
A. Katrusiak, M. Ratajczak-Sitarz, Z. Kałuski, V. D. Orlov, U. A. Borovoi, E. I. Mihedkina,
Acta Crystallogr., Sect. C 1987 43 342-344
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Department of Materials Chemistry, Adam Mickiewicz University
Umultowska 89b,
61-614 Poznań, Poland
tel.: +48 618291590,-1648; fax.: +48 618291555; URL: hpc.amu.edu.pl