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Items where Author is "Sigel, H."

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Number of items: 32.

2015

Lüth, M. S. and Freisinger, E. and Kampf, G. and Garijo Anorbe, M. and Griesser, R. and Operschall, B. P. and Sigel, H. and Lippert, B.. (2015) Connectivity patterns and rotamer states of nucleobases determine acid-base properties of metalated purine quartets. Journal of inorganic biochemistry, 148 (0162-0134). pp. 93-104.

Blindauer, C. A. and Sigel, A. and Operschall, B. P. and Griesser, R. and Holy, A. and Sigel, H.. (2015) Extent of Intramolecular π-Stacks in Aqueous Solution in Mixed-Ligand Copper(II) Complexes Formed by Heteroaromatic Amines and the Anticancer and Antivirally Active 9-[2-(Phosphonomethoxy)ethyl]guanine (PMEG). A Comparison with Related Acyclic Nucleotide Analogues. Polyhedron, 103, Part B. pp. 248-260.

2014

Sigel, A. and Sigel, H.. (2014) Aromatic-ring Stacking between Indole and Nucleobase Residues. The Effect of Bridge Formation. Journal of biological inorganic chemistry, Vol. 19, H. S2. pp. 818-819.

Sigel, A. and Operschall, B. P. and Sigel, H.. (2014) Comparison of the π-Stacking Properties of Purine versus Pyrimidine Residues : Some Generalizations Regarding Selectivity. Journal of biological inorganic chemistry, Vol. 19, H. 4-5. pp. 691-703.

Gómez-Coca, R. B. and Sigel, A. and Operschall, B. P. and Holy´, A. and Sigel, H.. (2014) Solution Properties of Metal Ion Complexes Formed with the Antiviral and Cytostatic Nucleotide Analogue 9-[2-(Phosphonomethoxy)ethyl]-2-amino-6-dimethylaminopurine (PME2A6DMAP). Canadian journal of chemistry, Vol. 92, H. 8. pp. 771-780.

2013

Blindauer, C. A. and Sigel, A. and Operschall, B. P. and Holy, A. and Sigel, H.. (2013) Extent of Intramolecular π-Stacks in Aqueous Solution in Mixed-Ligand CopperII) Complexes Formed by Heteroaromatic Amines and 1-[2-(Phosphonomethoxy)ethyl]cytosine (PMEC), a Relative of Antivirally Active Acyclic Nucleotide Analogues. Zeitschrift für anorganische und allgemeine Chemie, Bd. 639, H. 8-9. pp. 1661-1673.

Sigel, A. and Sigel, H. and Sigel, R. K. O.. (2013) Interrelations between essential metal ions and human diseases. Metal Ions in Life Sciences, 13. Dordrecht.

Sigel, R. K. O. and Sigel, H.. (2013) Metal Ion Interactions with Nucleic Acids and Their Constituents. Comprehensive inorganic chemistry II, Vol. 3. pp. 623-660.

2012

Gómez-Coca, R. B. and Blindauer, C. A. and Sigel, A. and Operschall, B. P. and Holy´, A. and Sigel, H.. (2012) Extent of Intramolecular Pi-Stacks in Aqueous Solution in Mixed-Ligand Copper(II) Complexs Formed by Heteroaromatic Amines and Several 2-Aminopurine Derivatives of the Antivirally Active Nucleotide Analogue 9-[2-(Phosphonomethoxy)ethyl]adenine (PMEA). (Ternary Complexes in Solution. Part 71). Chemistry & biodiversity, Vol. 9, H. 9. pp. 2008-2034.

Sigel, A. and Operschall, B. P. and Sigel, H.. (2012) Steric Guiding of Metal Ion Binding to a Purine Residue by a Non-Coordinating Amino Group: Examplified by 9-[(2-Phosphonomethoxy)ethyl]-2-aminopurine (PME2AP), an Isomer of the Antiviral Nucleotide Analogue 9-[(2-Phosphonomethoxy)ethyl]adenine (PMEA), and by Related Compounds. Coordination chemistry reviews, Vol. 256, H. 1-2. pp. 260-278.

2011

Sigel, A. and Sigel, H.. (2011) Metals in the Brain. Chemical monthly, Vol. 142. pp. 323-324.

Al-Sogair, F. M. and Operschall, B. P. and Sigel, A. and Sigel, H. and Schnabl, J. and Sigel, R. K. O.. (2011) Probing the Metal-Ion-Binding Strength of the Hydroxyl Group. Chemical reviews, Vol. 111, H. 8. pp. 4964-5003.

Knobloch, B. and Mucha, A. and Operschall, B. P. and Sigel, H. and Jezowska-Bojczuk, M. and Kozlowski, H. and Sigel, R. K. O.. (2011) Stability and Structure of Mixed Ligand Metal Ion Complexes Containing Ni2+, Cu2+ or Zn2+, and Histamine as well as Adenosine 5'-Triphosphate (ATP4–) or Uridine 5'-Triphosphate (UTP4–) : an Intricate Network of Equilibria. Chemistry: a European journal, Vol. 17, H. 19. pp. 5393-5403.

Kapinos, L. E. and Operschall, B. P. and Larsen, E. and Sigel, H.. (2011) Understanding the Acid-Base Properties of Adenosine : the Intrinsic Basicities of N1, N3 and N7. Chemistry: a European journal, Vol. 17, H. 29. pp. 8156-8164.

2010

Fernández-Botello, F. and Operschall, B. P. and Holy, A. and Moreno, V. and Sigel, H.. (2010) Metal Ion-Binding Properties of 9-[(2-Phosphonomethoxy)ethyl]-2-aminopurine (PME2AP), an Isomer of the Antiviral Nucleotide Analogue 9-[(2-Phosphonometh¬oxy)ethyl]adenine (PMEA) : Steric Guiding of Metal Ion-Coordination by the Purine-Amino Group. Dalton transactions, Vol. 39, H. 27. pp. 6344-6354.

2009

Operschall, B. P. and Bianchi, E. M. and Griesser, R. and Sigel, H.. (2009) Influence of a Decreasing Solvent Polarity on the Stability and Structure of Mixed-Ligand Complexes Formed by Copper(II), 2,2'-Bipyridine or 1,10-Phenanthroline and Guanosine 5'-Diphosphate. Journal of coordination chemistry, Vol. 62, H. 1. pp. 23-39.

Sigel, H. and Operschall, B. P. and Griesser, R.. (2009) Xanthosine 5'-monophosphate (XMP) : acid-base and metal ion-binding properties of a chameleon-like nucleotide. Chemical Society reviews, Vol. 38, H. 8. pp. 2465-2494.

2002

Kapinos, L. E. and Sigel, H.. (2002) Acid-base and metal ion binding properties of pyridine-type ligands in aqueous solution.: Effect of ortho substituents and interrelation between complex stability and ligand basicity. Inorganica chimica acta, Vol. 337. pp. 131-142.

Kampf, G. and Kapinos, L. E. and Griesser, R. and Lippert, B. and Sigel, H.. (2002) Comparison of the acid-base properties of purine derivatives in aqueous solution : determination of intrinsic proton affinities of various basic sites. Journal of the Chemical Society. Perkin transactions 2, 2002, H. 7. pp. 1320-1327.

2001

Kampf, G. and Lüth, M. S. and Kapinos, L. E. and Müller, J. and Holý, A. and Lippert, B. and Sigel, H.. (2001) Formation of ternary complexes by coordination of (diethylenetriamine)-platinum(II) to N1 or N7 of the adenine moiety of the antiviral nucleotide analogue 9. Chemistry, Vol. 7, H. 9. pp. 1899-1908.

Gómez-Coca, R. B. and Kapinos, L. E. and Holý, A. and Vilaplana, R. A. and González-Vílchez, F. and Sigel, H.. (2001) Intramolecular stacking interactions in ternary copper(II) complexes formed with 2,2'-bipyridine or 1,10-phenanthroline and 9-(4-phosphonobutyl)adenine (dPMEA), the carba relative of the antiviral nucleotide analogue 9. Journal of inorganic biochemistry, Vol. 84, H. 1-2. pp. 39-46.

Kapinos, L. E. and Holý, A. and Günter, J. and Sigel, H.. (2001) Metal ion-binding properties of 1-methyl-4-aminobenzimidazole (=9-methyl-1,3-dideazaadenine) and 1,4-dimethylbenzimidazole (=6,9-dimethyl-1,3-dideazapurine) quantification of the steric effect of the 6-amino group on metal ion binding at the N7 site of the adenine residue. Inorganic chemistry, Vol. 40, H. 11. pp. 2500-2508.

2000

Sigel, H. and Saha, A. and Saha, N. and Carloni, P. and Kapinos, L. E. and Griesser, R.. (2000) Evaluation of intramolecular equilibria in complexes formed between substituted imidazole ligands and nickel (II), copper (II) or zinc (II). Journal of inorganic biochemistry, Vol. 78, H. 2. pp. 129-137.

Gómez-Coca, R. B. and Kapinos, L. E. and Hol`y, A. and Vilaplana, R. A. and González-V`ilchez, F. and Sigel, H.. (2000) Metal ion-binding properties of 9-(4-phosphonobutyl) adenine (dPMEA), a sister compound of the antiviral nucleotide analogue 9-[2-(phosphonomethoxy) ethyl] adenine (PMEA), and quantification of the equilibria involving four Cu (PMEA) isomers. Journal of the Chemical Society. Dalton transactions, 2000, H. 13. pp. 2077-2084.

Sigel, H. and Kapinos, L. E.. (2000) Quantification of isomeric equilibria for metal ion complexes formed in solution by phosphate or phosphonate ligands with a weakly coordinating second site. Coordination chemistry reviews, Vol. 200-202. pp. 563-594.

Gómez-Coca, R. B. and Kapinos, L. E. and Holý, A. and Vilaplana, R. A. and González-Vílchez, F. and Sigel, H.. (2000) Ternary Copper(II) Complexes in Solution Formed With 8-Aza Derivatives of the Antiviral Nucleotide Analogue 9-[2-(Phosphonomethoxy)Ethyl]Adenine (PMEA). Metal-based drugs, Vol. 7, H. 6. pp. 313-324.

1999

Kapinos, L. E. and Song, B. and Sigel, H.. (1999) Acid-Base and Metal-Ion-Coordinating Properties of Benzimidazole and Derivatives (= 1, 3-Dideazapurines) in Aqueous Solution : Interrelation between Complex Stability and Ligand Basicity. Chemistry: a European journal, Vol. 5, H. 6. pp. 1794-1802.

Lüth, M. S. and Kapinos, L. E. and Song, B. and Lippert, B. and Sigel, H.. (1999) Extent of intramolecular stacking interactions in the mixed-ligand complexes formed in aqueous solution by copper (II), 2, 2′-bipyridine or 1, 10-phenanthroline and 2′-deoxyguanosine 5′-monophosphateâ€. Journal of the Chemical Society. Dalton transactions, 1999, H. 3. pp. 357-366.

Kapinos, L. E. and Sigel, H.. (1999) On the Metal-Ion-Coordinating Properties of the Benzimidazolate Residue in Aqueous Solution-Extent of Acidification of Benzimidazole-(N3) H Sites by (N1)-Coordinated Divalent Metal Ions. European Journal of Inorganic Chemistry, 1999, H. 10. pp. 1781-1786.

Sigel, H. and Song, B. and Blindauer, C. A. and Kapinos, L. E. and Gregávn, F. and Prónayová, N.. (1999) Why is the antiviral nucleotide analogue 9-[2-(phosphonomethoxy)ethyl]adenine in its diphosphorylated form (PMEApp4–) initially a better substrate for polymerases than (2′-deoxy)adenosine 5′-triphosphate (dATP4–/ATP4–)? Considerations on the mechanism of nucleic acid polymerases. Chemical Communications, 35 (8). pp. 743-744.

1998

Kapinos, L. E. and Song, B. I. N. and Sigel, H.. (1998) Metal ion-binding properties in aqueous solution of the nucleoside analogue, 5, 6-dichloro-1-(beta-D-ribofuranosyl) benzimidazole (DRB). Zeitschrift für Naturforschung. Sect. B, Chemical sciences, Vol. 53, H. 8. pp. 903-908.

Kapinos, L. E. and Song, B. and Sigel, H.. (1998) Metal ion-coordinating properties of imidazole and derivatives in aqueous solution : interrelation between complex stability and ligand basicity. Inorganica chimica acta, Vol. 280, H. 1. pp. 50-56.

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