OOIR: Observatory of International Research

Papers

(The median citation count of Helvetica Chimica Acta is 0. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-01-01 to 2026-01-01.)

Article	Citations
	190
	30
	30
	21
Conrad A. P. Goodwin	20
Antibacterial, Antifungal and Molecular Docking Studies of N1‐Substituted 5‐Alkylsulfonyl Benzimidazole Derivatives	20
Radical C4−H Arylation of 1,4‐Dihydropyridines with Cyanoarenes	18
Electric Dipole Polarizability Calculation for Periodic and Non‐Periodic Systems using Atomic‐Orbitals‐based Linear Response Theory	17
Fit‐for‐Purpose Synthesis of CDK2 Inhibitor GNE‐140	16
Tailoring the Hybridization Density of DNA Biosensors through Tunable Surface Functionalization	16
Sascha Hoogendoorn	15
Electronic Structures of Late versus Early Transition Metal Imido Complexes from ¹⁵N‐NMR Signatures	14
Structure and Magnetic Properties of a Series of Uranium Bis‐Siloxide Complexes	11
	11
Cover Picture: (Helv. Chim. Acta 4/2025)	11
How Native Are Peptides After Activation by Collisions or Photons? A Gas‐Phase FRET Study	10
New Selective Inhibitors of α‐Glucosidase for the Treatment of Type 2 Diabetes Mellitus	9
A General Platform for the Light‐Enabled Generation of α‐Fluoro Radicals Leveraging Simple Additives	9
Si‐Doping Switches the Reactivity of Cobalt from Methanation to Reverse Water–Gas Shift in CO ₂ Hydrogenation	9
Total Synthesis of Salviachinensine A Using a Matteson Homologation Approach	9
Endometriosis, the Silent Disease: Molecular Targets, Active Principles, and Drug Delivery Systems	9
New Phases in the Sc−Mn−Si and Sc−Mn−Al−Si Systems Through Molten Indium Flux Synthesis	9
Rhodium‐Catalyzed Tandem Addition–Cyclization of 1,5‐Enynes with Organoboronic Acids for the Synthesis of Alkylidene‐Cyclobutanes	9
Solid‐State Confinement Effects in Selective exo‐H/D Exchange in the Rhodium σ‐Norbornane Complex [(Cy₂PCH₂CH₂PCy₂)Rh(η²:η²‐C	8
Cover Picture: (Helv. Chim. Acta 4/2022)	8

Bottom‐Up Synthesis, Dispersion and Properties of Rectangular‐Shaped Graphene Quantum Dots	8
Preparation and Characterization of N,N′‐Dialkyl‐1,3‐propanedialdiminium Chlorides, N,N′‐Dialkyl‐1,3‐propanedialdimines, and Lithium N,N′‐Dialkyl‐1,3‐propaned	8
Sustainable Twist – Towards Highly Atom Efficient Grignard Processes	7
Photoinduced Energy Transfer via an Atropisomeric Molecular Bridge	7
Synthesis and Olfactory Properties of Lower‐Ring Homologues of the Linear Alicyclic Musk Romandolide	7
Synthesis of the Multidrug Reversal Agent Ko143 and Its Parent Natural Product Fumitremorgin C	7
Playing with Protic Additives to Improve the Outcome of Rhodium‐Catalyzed Hydroarylation of Fullerene C₆₀ with Arylboronic Acids	7
Conglomerate Aggregation of 7,12,17‐Trioxa[11]helicene into Homochiral Two‐Dimensional Crystals on the Cu(100) Surface	7
Divergent Synthesis of Trifluoromethyl Ketones via Photoredox Activation of Halotrifluoroacetones	6
Introduction for the Special Collection of Papers in the Honor of the President of the 57^th Bürgenstock Conference, Erick M. Carreira	6
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Synthesis and Properties of Cross‐Shaped Polycyclic Aromatic Hydrocarbons	6
Does the Central Nitrogen Atom Make a Difference? A Comparison of Non‐Coordinating Pyridine and Benzene Spacers in Multitopic Ligands	6
A Special Issue Dedicated to Professor E. Peter Kündig	5
A Special Issue Dedicated to Professor Andrea Vasella	5
Controlling Rotational Motion of Nonplanar Porphyrin Atropisomers by Metal Coordination	5
Stability of Shielded Pentacenes under Ambient Conditions	5
Pseudo‐Natural Products Inspired by Aspidospermidine‐, Strychnos‐, and Koumine Monoterpene Indole Alkaloids Reveal Pyrimidine Biosynthesis Inhibitors	5
Enantio‐ and Diastereoselective (Ipc)₂BOTf‐Mediated Aldol Reactions of Morpholine Carboxamides	5
X‐Ray Crystallographic Studies of Quasi‐Racemates for Absolute Configuration Determinations	5
Abstract Conformer Space	5
	5
	5
Borotropy: The Mechanism of Boron Transfer Between Adjacent N‐Atoms of Pyrazol‐1‐yl Rings	5
The Relation between Nature and Stability of H₂‐Dissociating Sites and Propene Selectivity in Silica‐Supported (Ga,Al)₂O₃ Mixed Oxide Propane Dehydrogenation Catalysts	5
A Telescopic, Scalable and Industrially Feasible Method for the Synthesis of Antidepressant Drug, Moclobemide	5
Catalytic C−H Activation via Four‐Membered Metallacycle Intermediate	5
Halocyclopropenium‐Halide Halogen‐Bonded Ion Pairs and Their Hydrogen‐Bonded Halide Solvates	4
A Scalable and Chromatography‐Free Synthesis of N,N‐Bis(9,9‐dimethyl‐9H‐fluoren‐2‐yl)‐3′,3′,4′,7′‐tetramethyl‐2′,3′‐dihydrospiro[fluorene‐9,1′‐indene]‐2‐amine, a new Hole Transpor	4
Hydroalkylation of 1,1‐Diarylalkenes Mediated by Magnesium Hydride in Ethereal Solvents	4
Conversion of Isoxazoles to Functionalized Pyrrole and Isoquinoline Derivatives via ROCC Mechanism	4
Synthesis and Reversible H₂ Activation by Coordinatively Unsaturated Rhodium NHC Complexes	4
Cover Picture: (Helv. Chim. Acta 1/2022)	4
An Unusual Fullerene–Carbene Adduct: Thermal Motion, Disorder, or Both?**	4
Cover Picture: (Helv. Chim. Acta 9/2022)	4
Novel Synthetic Approach towards Amino‐Substituted Polycyclic Aromatic Hydrocarbons through Electrocyclization of Keteniminium Salts	4
A Covalent Binding Mode of a Pyrazole‐Based CD38 Inhibitor	4
Total Synthesis of Tagitinins, Goyazensolide and Related Furanoheliangolides and their Covalent Interaction with Importin‐5 (IPO5)	4
Scalable Preparation of 1‐Aminoethyl Oxindoles From Simple Benzaldehydes	4
Synthesizing Strained Azatriseptane Frameworks	4
A Crystal Structure of an Oligoproline Hexamer with a Zig‐zag Arrangement	4
Simple Method for Transforming Liquid Silicone Oils Into High‐Quality Solid Silicone Resins	4
Reversible Grafting in Surface Organometallic Chemistry with a Late Transition‐Metal Amidinate Precursor	4
Dynemicin A Derivatives as Potential Cancer Chemotherapeutics by Mutasynthesis	4
9‐epi‐Artemisinin – How a Single Stereo Center Affects Chemical Reactivity under Reductive Conditions	4
Martina Letizia Contente	4
Sydnone‐Cyanines as Clickable Probes for Fluorescent Labelling	4
Solution, Crystal and in Silico Structures of the Organometallic Vitamin B₁₂‐Derivative Acetylcobalamin and of its Novel Rhodium‐Analogue Acetylrhodibalamin	4
	3

A Special Issue Dedicated to Professor Michael Grätzel	3
Ni‐Catalyzed Regioselective Cyclotrimerization of Internal Esteryl Alkynes towards Polysubstituted Benzene Rings	3
Access to Cyclic Tetrazanes by Intramolecular Oxidative Coupling of Tethered‐Bishydrazines	3
Circularly Polarized Luminescence of [6]Helicenes through Excited‐State Intramolecular Proton Transfer	3
Transitions in Solvate Crystals of a Tetraaryladamantane	3
Cover Picture: (Helv. Chim. Acta 5/2025)	3
Structural Flexibility of Metal Chelate Complexes and Its Relation to Supramolecular Chemistry	3
Tuning Pore Chemistry in Dioxin‐Linked Porous Organic Polymers for Enhanced High‐Pressure CO ₂ Uptake	3
Sulfonamide‐Derived N,N,N‐Ligand Enabled Copper‐Catalyzed Radical 1,2‐Trichloromethylthioesterification of Styrenes	3
Synthesis of (Di)thiahelicenes and Dithiophenohelicenes by [2+2+2] Cycloisomerization of Alkynes	3
Light‐Driven Alkyne gem‐Hydrogenation: An Intramolecular Approach to Hoveyda–Grubbs Catalysts	3
Synthesis of α‐Fluoroketones from Carboxylic Acids via Decarboxylation of Fluorinated Malonates	3
Elastomers Based on Polynorbornene with Polar Polysiloxane Brushes for Soft Transducer Applications	3
Gram‐Scale Synthesis, Isolation and Characterisation of Sodium Organometallics:nBuNa and NaTMP	3
Photoinduced Electron Transfer in Clicked Ferrocene‐BODIPY‐Fullerene Conjugates	3
Isolation of a Monomeric Bis(pyridylimino) Isoindolide (BPI) Radical Dianion and Further Insights Into Structures of Reduced BPI Compounds	3
Eutectic Molten Salt Synthesis of Highly Microporous Macrocyclic Porous Organic Polymers for CO₂ Capture	3
Stereoselective Synthesis and Biological Profile of All Stereoisomers of Lactam Analogues of Strigolactones GR24 and GR18	3
Air‐Stable Aluminum Tris[Bis(mesitoyl)Arsenide] Precursor for Metal Arsenide Quantum Dots	3
Synthesis of N‐Substituted Pyrrole‐2,5‐dicarboxylic Acids from Pyrroles	3
Advances in the Synthesis of Heterocycles with Two and Three Heteroatoms using Hydrazonoyl Halides	3
Ionic Liquid Crystalline Calixarene with Photo‐Switchable Proton Conduction	3
The Role of Hydrazine in Colorimetric Probes Based on Ferrocene Derivative	3
Cover Picture: (Helv. Chim. Acta 7/2022)	3
Deoxygenation of Ketones and α‐Ketoesters with a Bimetallic Iridium‐Molybdenum Catalyst	3
Atomic Tailoring of Ubiquitin Side Chains Influences E2‐Mediated Ubiquitin Chain Formation	3
Cover Picture: (Helv. Chim. Acta 2/2022)	3
Structural Insights into Electrophiles and Electrophilic Metabolites Sensing and Signaling: The Missing Information	3
Noninvasive Disease Diagnostics: The Swiss Contribution Highlights to Breath Analysis Research	3
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Pnictogen‐Bonding Catalysts, Compared to Tetrel‐Bonding Catalysts: More Than Just Weak Lewis Acids	3
Cover Picture: (Helv. Chim. Acta 7/2024)	3
Access to Enantioenriched 1, n ‐Diols by Cu‐Catalyzed Enantioselective Protoboration and Hydroboration of Alkenyl Ethers	3
Synthesis of Biphenanthrene Natural Products by Atroposelective Aromatic Ring‐Opening Metathesis	2
Cover Picture: (Helv. Chim. Acta 7/2023)	2
	2
NMR Investigation of Lanthanoid (III) Complexes of bbppn (H₂bbppn: N,N’‐bis(2‐hydroxybenzyl)‐N,N’‐bis(2‐methylpyridyl)propylene‐1,2‐diamine)	2
A Targeted Approach for the Metabolome Analysis of E. coli Biofilms	2
Thirty‐Three Years Member of the Group Vasella by Bruno Bernet	2
Diels–Alder Additions to 2,2’‐Biaceanthrylene	2
Cover Picture: (Helv. Chim. Acta 3/2025)	2
Azido‐Functionalized Fullerenes, Perylenediimide, Perylene, and Tetraphenylethylene as Crosslinkers for Applications in Materials Science	2
Functionalization of Cubane Formation of C−C and C−Heteroatom Bonds	2
Cover Picture: (Helv. Chim. Acta 6/2023)	2
Ganna (Anya) Gryn'ova	2
Repurposing FDA‐Approved Anticancer Drugs Offers a Strategy to Target Mutant‐Type Malaria by Inhibiting Parasite DHFR Without Affecting Human DHFR	2
30 + 30 Stripes of Appreciation	2
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The MOE Modification of RNA: Origins and Widescale Impact on the Oligonucleotide Therapeutics Field	2
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Ross Milton	2
Cover Picture: (Helv. Chim. Acta 10/2023)	2
Cover Picture: (Helv. Chim. Acta 12/2023)	2
Photo‐Flow Reaction and Enantiomer Separation as an Enabling Combination to Chiral Substituted 1,2‐Cyclobutanediol	2
Controlled Release of Volatile Enones from Monomeric and Dimeric Thioether, Sulfoxide and Sulfone Profragrances	2
Cover Picture: (Helv. Chim. Acta 2/2024)	2
Carbohydrate‐Derived Dienes as Building Blocks for Pharmaceutically Relevant Molecules	2
Introduction for the Special Collection of Papers in the Honor of the President of the 55th Burgenstock Conference, Janine Cossy	2
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Photocleavable Porphyrin Derivatives for Quantum Optics	2
Opportunities and Limitations of Nanoagrochemicals	2
Thermoresponsive Nanocarriers Transduced by Inorganic Nanoparticles: Design Considerations and Applications in Drug Delivery	2
The Contribution of Ruthenium in the Development of Metallomesogens	2
Cover Picture: (Helv. Chim. Acta 12/2024)	2
Ambrettolide via Olefin Metathesis Under True High Concentration Conditions	2
	2
W‐oxo Adamantylidenes: Stable Molecular Precursors for Efficient Silica‐Supported Metathesis Catalysts	2
Effect of Gel Alkalinity on the Catalytic Properties of PdCu/NaY Zeolites for Methyl Nitrite Carbonylation to Dimethyl Carbonate	2
The pK_a of Water and the Fundamental Laws Describing Solution Equilibria: An Appeal for a Consistent Thermodynamic Pedagogy	2
Chiral Quaternary Ammonium Salt‐Catalyzed Enantioselective Addition Reactions of Hydantoins	2
On the Structure–Odor Correlation of Muguet Aldehydes: Synthesis of 3‐(4’‐Isobutyl‐2’‐methylphenyl)propanal (Nympheal) and Four Novel Derivatives from a Hagemann’s Ester	2
Cover Picture: (Helv. Chim. Acta 2/2023)	2
Green‐Tuning of (Chir)Optical Properties for Axially‐Chiral Boramidines	2
Cover Picture: (Helv. Chim. Acta 10/2022)	2
Fluorocyclisation of Oximes to Isoxazolines Through I(I)/I(III) Catalysis	2
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The Versatility of Imidazole and Imidazolium Scaffolds in Sustainable Chemistry and Energy Conversion	2
Cyclohexane and Beyond: Tangled Hexagons and Octahedra	2
Phenols as Novel Photocatalytic Platforms for Organic Synthesis	1

Efficient Polymer Functionalization by Means of Extreme Ultraviolet	1
Protocol for the Photocatalytic Hydroxyalkenylation of Alkenes Using 1,2‐Bis(phenylsulfonyl)ethylene and Water	1
Single Molecule Conductance of Anthraquinone‐Based Molecular Wire: Effect of the Anchoring Group	1
Cover Picture: (Helv. Chim. Acta 11/2024)	1
Xanthate‐Based Pathways to Ketones	1
Cover Picture: (Helv. Chim. Acta 11/2022)	1
Andreu Tortajada	1
Isomerization of α ‐Pinene Oxide to Trans ‐Pinocarveol	1
Engineering Te‐Containing Recognition Modules for Chalcogen Bonding: Towards Supramolecular Polymeric Materials	1
Crystallography without Crystals: A Structural Study of Fakein	1
A Novel, Industrially‐feasible Synthetic Route to (+)‐Biotin from L‐Cysteine	1
Development of Photoredox‐Assisted Direct α‐Alkylation Reactions of Ketones with Arylalkenes Using a Catalytic Amount of LiO^tBu as a Brønsted Base	1
Development of a Novel Measurement Setup to Study and Predict Electrostatic Discharges in Agitated Glass‐Lined Vessels	1
Recent Progress in Visible Light‐Mediated Synthesis of γ‐lactams	1
Crystallographic Characterisation of Organolithium and Organomagnesium Intermediates in Reactions of Aldehydes and Ketones	1
Revealing the Indispensable Role of the RFamide Functionality using a Novel Acid Labile Benzofuranone based Amine (ALBA) Linker	1
Diamonds in Chemical Space: The Synthesis of Brexazine	1
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Probing the Nature of Surface Hydrides by Deuterium Quadrupolar Parameters: A Case Study on Silica‐Supported Zirconium Hydrides	1
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Reversible Conjugate Addition in Thiol‐Mediated Uptake	1
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The Two Janus Faces of CpRu‐Based Deallylation Catalysts and Their Application for in Cellulo Prodrug Uncaging	1
Spirocyclic Diamine Scaffolds for Medicinal Chemistry	1
The Story Behind the Link between Molecular Chirality and Crystal Shape	1
Organocatalytic Enantioselective Synthesis of Chiral Spiro‐indoline‐pyrazolones through a formal [4+1] Annulation Reaction of 4‐Bromopyrazolones and aza‐ortho‐Quinone Methides	1
Potential of miRNA as Imaging Targets for PET	1
Fluorescent Membrane Probes Obey the Israelachvili Rules	1
Synthesis, Characterization, and Biological Evaluation of Red Light‐Activatable BODIPY‐Caged Ceritinib Compounds	1
En Route to Enantioenriched Quaternary Stereocenters via Lewis Base/Palladium Cooperative Catalysis	1
Improved Synthesis of Chiral 1,4,7‐Triazacyclononane Derivatives and Their Application in Ni‐Catalyzed Csp³−Csp³ Kumada Cross‐Coupling	1
Cover Picture: (Helv. Chim. Acta 6/2022)	1
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Breakable Nanomaterials to Allow Hair Coloring with Natural Dyes	1
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Mechanochemical and Piezo‐Accelerated Stereoselective Synthesis of Isoindolinones	1
Ruthenium Catalysis in Biological Habitats	1
A Fluorogenic Substrate for Quinoline Reduction: Pnictogen‐Bonding Catalysis in Aqueous Systems	1
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Cover Picture: (Helv. Chim. Acta 1/2023)	1
Direct Access to Fluorinated Sulfonylhydrazides and Study of Their Reactivity in Thiolation Reaction on Indoles	0
A Chiral Propeller‐Shaped Triple Helicene Shows Multi‐Resonant Thermally Activated Delayed Fluorescence	0
Diversity of Structures and Bonding in Alkali Metal Ureaphosphanes	0
Cover Picture: (Helv. Chim. Acta 10/2024)	0
Bismuth Compounds React With a Nitrone: Lewis Pair Formation and Quantification of Radical Trapping	0
Synthesis and Reactions of Trifluoromethyl‐Substituted 1,3,5‐Triazines	0
Marina Uzelac	0
Beginning of Second Mandate as Editors‐in‐Chief for Helvetica Chimica Acta	0
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A Highly Efficient Click Linker for Enrichment of Alkyne‐Tagged Proteins in Living Cells	0
Christopher Newton	0
Amoxicillin Concentrations in Samples of Musculoskeletal Infections	0
β‐Silylacrylate as a Multipurpose Reagent in Organic Synthesis	0
Julien Vantourout	0
Cover Picture: (Helv. Chim. Acta 8/2022)	0
Ricardo J. Fernández‐Terán	0
Cover Picture: (Helv. Chim. Acta 11/2023)	0
Compound Specific Radiocarbon (¹⁴C) Dating of Our Colorful Past: from Theory to Practice	0
Tetrel‐Centered Exchange Cascades to Decouple Inhibition and Induction of Thiol‐Mediated Uptake: Introducing Cell‐Penetrating Thiolactones, Focus on Reversible Michael Acceptor Dimers	0
Hydroxamic Acids as PARP‐1 Inhibitors: Molecular Design and Anticancer Activity of Novel Phenanthridinones	0
Incipient Nucleophilic Attack on a Carbonyl Group Adjacent to a Stereogenic Centre in Peri Naphthalene Derivatives	0
Synthesis and Quantitative Analysis of Glycans Conjugated to Gold Nanoparticles	0
Introduction for the Special Collection of Papers in the Honor of Robert Deschenaux.	0
Exploiting Sodium Ascorbate as an Underutilized and Sustainable Sacrificial Reductant for Net Reductive Pinacol Coupling Reactions via Mechanophotocatalysis	0
A Journey through Hemetsberger–Knittel, Leimgruber–Batcho and Bartoli Reactions: Access to Several Hydroxy 5‐ and 6‐Azaindoles	0
Scalable Synthesis of Highly Pure ( R )‐3‐Fluoropyrrolidine From ( S )‐4‐Chloro‐3‐hydroxybutyronitrile	0
Investigating the Cusp Between Dendritic and Supermolecular Architectures in Self‐Organizing Liquid Crystals	0
Cover Picture: (Helv. Chim. Acta 3/2024)	0
Murielle F. Delley	0
Structural Determinants of the Binding and Activation of Estrogen Receptor α by Phenolic Thieno[2,3‐ d ]pyrimidines	0
TEMPS, the Chalcogen Cousin of the Infamous Stable Radical TEMPO, Traps Radicals via Substitution on Its Dimer (TEMPS)₂	0
Preparation of 3‐Bromo‐1,2,4,5‐tetrazine	0
Lewis Acid‐Mediated Ring Contraction of 2,4‐Diaryl‐2,3‐dihydro‐1H‐1,5‐benzodiazepines: Access to 2‐Aryl‐1‐styrylbenzimidazoles	0
X‐Ray and NMR Structural Data of Ethynylbenziodoxolones (EBXs) Reagents and Their Analogues	0
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Scalable Preparation of Substituted 4‐Aminoquinolines: Advancements in Manufacturing Process Development	0
A Mild Rhodium‐Catalyzed Asymmetric 1,4‐Conjugate Addition of Organoboranes to α‐Substituted Heterocyclic Acrylates for Use in Pharmaceutical Products	0
Gabriel Schäfer	0
Influence of the Crystallinity of Silver Nanoparticles on Their Magnetic Properties	0
Generation of Cyclopentadiene for Diels–Alder Reactions by Visible‐Light Irradiation of Iron Sandwich Complexes	0
Tomáš Šolomek	0
Understanding the Structure of Protonated Box Ligands: Insights from Spectroscopy and Computational Studies	0
Advances in Biohybridized Planar Polymer Membranes and Membrane‐Like Matrices	0
Room‐Temperature Alkyl‐Diphenylpyrene Liquefication by Molecular Desymmetrization	0
A Short and Versatile Approach for the Synthesis of Pyrrolizidinones	0
Platinum‐Catalyzed Isomerization of Cyclopropenes to 1,3‐Dienes	0
Sensitized Lanthanide Photoluminescence Based Sensors–a Review	0
Facile Synthesis of Phthalazinone/Isoindolinone Substituted Fluorescence Active Indolo[1,2‐a]quinoxaline Derivatives via ANRORC and Fluorescence Turn Off Sensing of Fe²⁺	0
Optimizing Phosphate Couplings for Dolichyl Diphosphochitobiose to Enable Protein N‐Glycosylation Studies	0
Cover Picture: (Helv. Chim. Acta 3/2022)	0
Cover Picture: (Helv. Chim. Acta 9/2023)	0