Helmut Sigel - Publications, H-index & Citations

Helmut Sigel

University of Basel

71H指数

583论文数

2.0W被引数

收录论文 75

发表时间

Coordination Chemistry of Nucleotides and Antivirally Active Acyclic Nucleoside Phosphonates, including Mechanistic Considerations

MOLECULES

IF4.6

2022-04-19

OAAI

Sigel, Astrid; Sigel, Helmut; Sigel, Roland K. O.

Acid-base and metal ion-binding properties of thiopyrimidine derivatives

COORDINATION CHEMISTRY REVIEWS

IF23.5

2016-11-01

PREAI

Sigel, Astrid; Operschall, Bert P.; Matera-Witkiewicz, Agnieszka; Swiatek-Kozlowska, Jolanta; Sigel, Helmut

Connectivity patterns and rotamer states of nucleobases determine acid-base properties of metalated purine quartets

JOURNAL OF INORGANIC BIOCHEMISTRY

IF3.2

2015-07-01

PREAI

Lueth, Marc Sven; Freisinger, Eva; Kampf, Gunnar; Anorbe, Marta Garijo; Griesser, Rolf; Operschall, Bert P.; Sigel, Helmut; Lippert, Bernhard

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

IF23.5

2012-01-01

PREAI

Sigel, Astrid; Operschall, Bert P.; Sigel, Helmut

Stability and Structure of Mixed-Ligand Metal Ion Complexes That Contain 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

IF3.7

2011-04-04

PREAI

Knobloch, Bernd; Mucha, Ariel; Operschall, Bert P.; Sigel, Helmut; Jezowska-Bojczuk, Malgorzata; Kozlowski, Henryk; Sigel, Roland K. O.

A Stability Concept for Metal Ion Coordination to Single-Stranded Nucleic Acids and Affinities of Individual Sites

ACCOUNTS OF CHEMICAL RESEARCH

IF17.7

2010-03-17

209

PREAI

Sigel, Roland K. O.; Sigel, Helmut

Metal ion-binding properties of 9-[(2-phosphonomethoxy)ethyl]-2aminopurine (PME2AP), an isomer of the antiviral nucleotide analogue 9-[(2-phosphonomethoxy)ethyl]adenine (PMEA). Steric guiding of metal ion-coordination by the purine-amino group

DALTON TRANSACTIONS

IF3.3

2010-01-01

PREAI

Fernandez-Botello, Alfonso; Operschall, Bert P.; Holy, Antonin; Moreno, Virtudes; Sigel, Helmut

Comparison of the Surprising Metal-Ion-Binding Properties of 5-and 6-Uracilmethylphosphonate (5Umpa2- and 6Umpa2-) in Aqueous Solution and Crystal Structures of the Dimethyl and Di(isopropyl) Esters of H2(6Umpa)

CHEMISTRY-A EUROPEAN JOURNAL

IF3.7

2008-10-30

PREAI

Freisinger, Eva; Griesser, Rolf; Lippert, Bernhard; Moreno-Luque, Cristobal F.; Niclos-Gutierrez, Juan; Ochocki, Justyn; Operschall, Bert P.; Sigel, Helmut

Inosylyl(3′→5′)inosine (Ipl-).: Acid-base and metal ion-binding properties of a dinucleoside monophosphate in aqueous solution

INORGANIC CHEMISTRY

IF4.7

2008-03-11

PREAI

Knobloch, Bernd; Okruszek, Andrzej; Sigel, Helmut

Extent of metal ion-sulfur binding in complexes of thiouracil nucleosides and nucleotides in aqueous solution

JOURNAL OF INORGANIC BIOCHEMISTRY

IF3.2

2007-04-01

PREAI

Odani, Akira; Kozlowski, Henryk; Swiatek-Kozlowska, Jolanta; Brasun, Justyna; Operschall, Bert P.; Sigel, Helmut

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

IF3.7

2007-01-30

PREAI

Knobloch, Bernd; Sigel, Helmut; Okruszek, Andrzej; Sigel, Roland K. O.

Extent of metal ion-sulfur binding in complexes of thiouracil nucleosides and nucleotides in aqueous solution 金属离子-硫键合在硫尿嘧啶核苷和核苷酸配合物中的结合程度（在水溶液中）

Journal of Inorganic Biochemistry

IF3.2

2007-01-20

PREAI

Akira Odani; Henryk Kozlowski; Jolanta Swiatek-Kozlowska; Justyna Brasun; Bert P. Operschall; Helmut Sigel

Acid-base and metal-ion-binding properties of xanthosine 5′-monophosphate (XMP) in aqueous solution:: Complex stabilities, isomeric equilibria, and extent of macrochelation 黄嘌呤5 ′-单磷酸酯 (XMP) 在水溶液中的酸碱和金属离子结合特性:: 复合物稳定性，异构体平衡和大螯合程度

CHEMISTRY-A EUROPEAN JOURNAL

IF3.7

2006-10-19

PREAI

Sigel, Helmut; Massoud, Salah S.; Song, Bin; Griesser, Rolf; Knobloch, Bernd; Operschall, Bert P.

Acid-base properties of adenosine 5'-O-thiomonophosphate in aqueous solution

CHEMISTRY-A EUROPEAN JOURNAL

IF3.7

2006-01-20

PREAI

Song, B; Sigel, RKO; Sigel, H

Complex formation of the antiviral 9-[2-(phosphonomethoxy)ethyl]adenine (PMEA) and of its N1, N3, and N7 deaza derivatives with copper(II) in aqueous solution

CHEMISTRY-A EUROPEAN JOURNAL

IF3.7

2006-01-20

PREAI

Blindauer, CA; Emwas, AH; Holy, A; Dvorakova, H; Sletten, E; Sigel, H

Evidence for intramolecular aromatic-ring stacking in the physiological pH range of the monodeprotonated xanthine residue in mixed-ligand complexes containing xanthosinate 5′-monophosphate (XMP)

DALTON TRANSACTIONS

IF3.3

2006-01-01

PREAI

Sigel, Helmut; Operschall, Bert P.; Massoud, Salah S.; Song, Bin; Griesser, Rolf

Acid-base and metal-ion-binding properties of 9-[2-(2-phosphonoethoxy)ethyl]adenine (PEEA), a relative of the antiviral nucleotide analogue 9-[2-(phosphonomethoxy)ethyl]adenine (PMEA).: An exercise on the quantification of isomeric complex equilibria in solution

INORGANIC CHEMISTRY

IF4.7

2005-06-08

PREAI

Fernández-Botello, A; Griesser, R; Holy, A; Moreno, V; Sigel, H

Metal ion-binding properties of (N3)-deprotonated uridine, thymidine, and related pyrimidine nucleosides in aqueous solution

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

IF9.1

2005-05-16

OAAI

Knobloch, B; Linert, W; Sigel, H

Intramolecular stacking interactions in ternary copper(II) complexes formed by a heteroaromatic amine and 9-[2-(2-phosphonoethoxy)ethyl]adenine, a relative of the antiviral nucleotide analogue 9-[2-(phosphonomethoxy)ethyl]adenine

JOURNAL OF INORGANIC BIOCHEMISTRY

IF3.2

2004-12-01

PREAI

Fernández-Botello, A; Holy, A; Moreno, V; Sigel, H

Two metal ions coordinated to a purine residue tolerate each other well

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

IF16.9

2004-07-12

PREAI

Knobloch, B; Sigel, RKO; Lippert, B; Sigel, H

研究方向