Items where Author is "Sigel, Helmut"

2016

Sigel, Astrid and Operschall, Bert P. and Griesser, Rolf and Song, Bin and Okruszek, Andrzej and Odani, Akira and Katsuta, Tsuguno and Lippert, Bernhard and Sigel, Helmut. (2016) (N7)-Platination and Its Effect on (N1) H-Acidification in Nucleoside Phosphate Derivates. Inorganica Chimica Acta, 452. pp. 137-151.

Sigel, Astrid and Operschall, Bert P. and Matera-Wikiewicz, Agnieszka and Swiatek-Kozlowska, Jolanta and Sigel, Helmut. (2016) Acid–base and metal ion-binding properties of thiopyrimidine derivatives. Coordination Chemistry Review, 327-328. pp. 200-220.

2015

Sigel, Helmut. (2015) Some Fragmentary Reflections about Professor Henryk Kozlowski and his Mentor Professor Boguslawa Jezowska-Trzebiatowska. Spotkajmy sie we Wroclawiu (Let's Meet in Wroclaw), 33. pp. 37-40.

2009

Operschall, Bert P. and Bianchi, Emanuela M. and Griesser, Rolf and Sigel, Helmut. (2009) Influence of decreasing solvent polarity (1,4-dioxane/water mixtures) on the stability and structure of complexes formed by copper(II), 2,2`-bipyridine or 1,10-phenanthroline and guanosine 5`-diphosphate : evaluation of isomeric equilibria. Journal of coordination chemistry, Vol. 62. pp. 23-39.

Fernandez-Botello, Alfonso and Holy, Antonin and Moreno, Virtudes and Operschall, Bert P. and Sigel, Helmut. (2009) Intramolecular pi-pi stacking interactions in aqueous solution in mixed-ligand copper(II) complexes formed by heteroaromatic amines and the nucleotide analogue 9-[2-(phosphonomethoxy)ethyl]-2-aminopurine (PME2AP), an isomer of the antivirally active 9-[2-( phosphonomethoxy)ethyl]adenine (PMEA). Inorganica chimica acta, Vol. 362, H. 3. pp. 799-810.

Sigel, Helmut and Operschall, Bert P. and Griesser, Rolf. (2009) Xanthosine 5′-monophosphate (XMP). Acid–base and metal ion-binding properties of a chameleon-like nucleotide. Chemical Society Reviews, 38 (8). pp. 2465-2494.

2008

Brasun, Justyna and Matera, Agnieszka and Sochacka, Elzbieta and Swiatek-Kozlowska, Jolanta and Kozlowski, Henryk and Operschall, Bert P. and Sigel, Helmut. (2008) Acid-base and metal ion binding properties of 2-thiocytidine in aqueous solution. Journal of Biological Inorganic Chemistry, 13 (5). pp. 663-674.

Freisinger, Eva and Griesser, Rolf and Lippert, Bernhard and Moreno-Luque, Cristobal F. and Niclos-Gutierrez, Juan and Ochocki, Justyn and Operschall, Bert P. and Sigel, Helmut. (2008) Comparison of the surprising metal-ion-binding properties of 5-and 6-Uracilmethylphosphonate (5Umpa(2-) and 6Umpa(2-)) in aqueous solution and crystal structures of the Dimethyl and Di(isopropyl) esters of H-2(6Umpa). Chemistry, a European journal, Vol. 14, H. 32. pp. 10036-10046.

Knobloch, Bernd and Okruszek, Andrzej and Sigel, Helmut. (2008) Inosylyl(3'-< 5')inosine (Ipl⁻): Acid-base and metal ion-binding properties of a dinucleoside monophosphate in aqueous solution. Inorganic chemistry, Vol. 47, H. 7. pp. 2641-2648.

2007

Odani, Akira and Kozlowski, Henryk and Swiatek-Kozlowska, Jolanta and Brasun, Justyna and Operschall, Bert P. and Sigel, Helmut. (2007) Extent of metal ion-sulfur binding in complexes of thiouracil nucleosides and nucleotides in aqueous solution. Journal of inorganic biochemistry, Vol. 101, H. 4. pp. 727-735.

Knobloch, Bernd and Sigel, Helmut and Okruszek, Andrzej and Sigel, Roland K. O.. (2007) Metal-ion-coordinating properties of the dinucleotide 2 `-deoxyguanylyl(5 `-< 3 `)-2 `-deoxy-5 `-guanylate (d(pGpG)(3-)) : isomeric equilibria including macrochelated complexes relevant for nucleic acids. Chemistry, a European journal, Vol. 13, H. 6. pp. 1804-1814.

Fernandez-Botello, Alfonso and Escuer, Albert and Solans, Xavier and Font-Bardia, Merce and Holy, Antonin and Sigel, Helmut and Moreno, Virtudes. (2007) New ternary complexes of copper(II) with 2,2 `-bipyridine (Bpy) and phosphocholine (PCh(-)) or the quaternary 1-(2-phosphonomethoxy)ethyl derivative of 2,4-diaminopyrimidine (PMEDAPy(-)). European journal of inorganic chemistry, 2007, H. 13. pp. 1867-1873.

2004

Gómez-Coca, R. B. and Kapinos, L. E. and Holý, A. and Vilaplana, Rosario A. and González-Vílchez, Francisco and Sigel, Helmut. (2004) Quantification of isomeric equilibria formed by metal ion complexes of 8-[2-(phosphonomethoxy)ethyl]-8-azaadenine (8,8aPMEA) and 9-[2-(phosphonomethoxy)ethyl]-8-azaadenine (9,8aPMEA) : derivatives of the antiviral nucleotide analogue 9-[2-(phosphonomethoxy)ethyl]adenine (PMEA). Journal of Biological Inorganic Chemistry, 9 (8). pp. 961-972.

2003

Griesser, Rolf and Kampf, Gunnar and Kapinos, Larisa E. and Komeda, Seiji and Lippert, Bernhard and Reedijk, Jan and Sigel, Helmut. (2003) Intrinsic acid-base properties of purine derivatives in aqueous solution and comparison of the acidifying effects of platinum(II) coordinated to N1 or N7 : acidifying effects are reciprocal and the proton "outruns" divalent metal ions. Inorganic chemistry, Vol. 42, H. 1. pp. 32-41.