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 2021-11-01 to 2025-11-01.)

Article	Citations
	169
	30
	28
	28
Antibacterial, Antifungal and Molecular Docking Studies of N1‐Substituted 5‐Alkylsulfonyl Benzimidazole Derivatives	20
Conrad A. P. Goodwin	18
Synthesis of Stereochemically Flexible Cyclic Biphenylbisphosphinite Ligands: Control of the Dynamics and Selectivity	18
Electric Dipole Polarizability Calculation for Periodic and Non‐Periodic Systems using Atomic‐Orbitals‐based Linear Response Theory	16
Radical C4−H Arylation of 1,4‐Dihydropyridines with Cyanoarenes	16
Fit‐for‐Purpose Synthesis of CDK2 Inhibitor GNE‐140	15
Total Synthesis of Salviachinensine A Using a Matteson Homologation Approach	15
Sascha Hoogendoorn	14
Tailoring the Hybridization Density of DNA Biosensors through Tunable Surface Functionalization	14
Electronic Structures of Late versus Early Transition Metal Imido Complexes from ¹⁵N‐NMR Signatures	13
Structure and Magnetic Properties of a Series of Uranium Bis‐Siloxide Complexes	12
Cover Picture: (Helv. Chim. Acta 4/2025)	11
New Phases in the Sc−Mn−Si and Sc−Mn−Al−Si Systems Through Molten Indium Flux Synthesis	11
High trans‐2‐Decalones by Photoredox Catalyzed β‐Isomerization	11
	10
Rhodium‐Catalyzed Tandem Addition–Cyclization of 1,5‐Enynes with Organoboronic Acids for the Synthesis of Alkylidene‐Cyclobutanes	9
New Selective Inhibitors of α‐Glucosidase for the Treatment of Type 2 Diabetes Mellitus	9
Endometriosis, the Silent Disease: Molecular Targets, Active Principles, and Drug Delivery Systems	9
Si‐Doping Switches the Reactivity of Cobalt from Methanation to Reverse Water–Gas Shift in CO ₂ Hydrogenation	9
Bottom‐Up Synthesis, Dispersion and Properties of Rectangular‐Shaped Graphene Quantum Dots	9
How Native Are Peptides After Activation by Collisions or Photons? A Gas‐Phase FRET Study	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
Solid‐State Confinement Effects in Selective exo‐H/D Exchange in the Rhodium σ‐Norbornane Complex [(Cy₂PCH₂CH₂PCy₂)Rh(η²:η²‐C	8
Sustainable Twist – Towards Highly Atom Efficient Grignard Processes	7
Photoinduced Energy Transfer via an Atropisomeric Molecular Bridge	7
Cover Picture: (Helv. Chim. Acta 4/2022)	7
Synthesis and Olfactory Properties of Lower‐Ring Homologues of the Linear Alicyclic Musk Romandolide	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
Does the Central Nitrogen Atom Make a Difference? A Comparison of Non‐Coordinating Pyridine and Benzene Spacers in Multitopic Ligands	6
	6
A Special Issue Dedicated to Professor E. Peter Kündig	6
	6
Synthesis of the Multidrug Reversal Agent Ko143 and Its Parent Natural Product Fumitremorgin C	6
Enantio‐ and Diastereoselective (Ipc)₂BOTf‐Mediated Aldol Reactions of Morpholine Carboxamides	6
Synthesis and Properties of Cross‐Shaped Polycyclic Aromatic Hydrocarbons	6
Introduction for the Special Collection of Papers in the Honor of the President of the 57^th Bürgenstock Conference, Erick M. Carreira	6
	6
Divergent Synthesis of Trifluoromethyl Ketones via Photoredox Activation of Halotrifluoroacetones	6
A Telescopic, Scalable and Industrially Feasible Method for the Synthesis of Antidepressant Drug, Moclobemide	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
Keteniminium Induced Dienone‐Phenol Rearrangement and Intramolecular 6‐endo‐dig Cyclization Cascade of Yne‐Dienone	5
Abstract Conformer Space	5
A Crystal Structure of an Oligoproline Hexamer with a Zig‐zag Arrangement	5
Borotropy: The Mechanism of Boron Transfer Between Adjacent N‐Atoms of Pyrazol‐1‐yl Rings	5
Stability of Shielded Pentacenes under Ambient Conditions	5
The Preparation and Resolution of Novel Axially Chiral Pyrazine‐Containing P,N Ligands for Asymmetric Catalysis and Their Application in Palladium‐Catalysed Allylic Substitution	5
	5
Visible‐Light Mediated Photooxidative Phosphorylation of Benzylamines: A Novel and Mild Pathway Towards α‐Aminophosphorus Compounds	5
A Special Issue Dedicated to Professor Andrea Vasella	5
X‐Ray Crystallographic Studies of Quasi‐Racemates for Absolute Configuration Determinations	5
Catalytic C−H Activation via Four‐Membered Metallacycle Intermediate	5
	5
9‐epi‐Artemisinin – How a Single Stereo Center Affects Chemical Reactivity under Reductive Conditions	4
Dynemicin A Derivatives as Potential Cancer Chemotherapeutics by Mutasynthesis	4
Synthesis and Reversible H₂ Activation by Coordinatively Unsaturated Rhodium NHC Complexes	4
Cover Picture: (Helv. Chim. Acta 9/2022)	4
Conversion of Isoxazoles to Functionalized Pyrrole and Isoquinoline Derivatives via ROCC Mechanism	4
Solution, Crystal and in Silico Structures of the Organometallic Vitamin B₁₂‐Derivative Acetylcobalamin and of its Novel Rhodium‐Analogue Acetylrhodibalamin	4
	4
Structural Insights into Electrophiles and Electrophilic Metabolites Sensing and Signaling: The Missing Information	4
A Covalent Binding Mode of a Pyrazole‐Based CD38 Inhibitor	4
An Unusual Fullerene–Carbene Adduct: Thermal Motion, Disorder, or Both?**	4
Scalable Preparation of 1‐Aminoethyl Oxindoles From Simple Benzaldehydes	4
Sydnone‐Cyanines as Clickable Probes for Fluorescent Labelling	4
Cover Picture: (Helv. Chim. Acta 1/2022)	4
Reversible Grafting in Surface Organometallic Chemistry with a Late Transition‐Metal Amidinate Precursor	4
A Special Issue Dedicated to Professor Michael Grätzel	4
Hydroalkylation of 1,1‐Diarylalkenes Mediated by Magnesium Hydride in Ethereal Solvents	4
Total Synthesis of Tagitinins, Goyazensolide and Related Furanoheliangolides and their Covalent Interaction with Importin‐5 (IPO5)	4
Simple Method for Transforming Liquid Silicone Oils Into High‐Quality Solid Silicone Resins	4

Martina Letizia Contente	4
Synthesizing Strained Azatriseptane Frameworks	4
Novel Synthetic Approach towards Amino‐Substituted Polycyclic Aromatic Hydrocarbons through Electrocyclization of Keteniminium Salts	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
Synthesis of α‐Fluoroketones from Carboxylic Acids via Decarboxylation of Fluorinated Malonates	3
Cover Picture: (Helv. Chim. Acta 7/2023)	3
The Role of Hydrazine in Colorimetric Probes Based on Ferrocene Derivative	3
Cover Picture: (Helv. Chim. Acta 11/2021)	3
Cover Picture: (Helv. Chim. Acta 7/2022)	3
Photoinduced Electron Transfer in Clicked Ferrocene‐BODIPY‐Fullerene Conjugates	3
Circularly Polarized Luminescence of [6]Helicenes through Excited‐State Intramolecular Proton Transfer	3
Halocyclopropenium‐Halide Halogen‐Bonded Ion Pairs and Their Hydrogen‐Bonded Halide Solvates	3
Advances in the Synthesis of Heterocycles with Two and Three Heteroatoms using Hydrazonoyl Halides	3
Elastomers Based on Polynorbornene with Polar Polysiloxane Brushes for Soft Transducer Applications	3
A Targeted Approach for the Metabolome Analysis of E. coli Biofilms	3
Deoxygenation of Ketones and α‐Ketoesters with a Bimetallic Iridium‐Molybdenum Catalyst	3
Structural Flexibility of Metal Chelate Complexes and Its Relation to Supramolecular Chemistry	3
Cover Picture: (Helv. Chim. Acta 2/2022)	3
Cover Picture: (Helv. Chim. Acta 12/2021)	3
Synthesis of N‐Substituted Pyrrole‐2,5‐dicarboxylic Acids from Pyrroles	3
Gram‐Scale Synthesis, Isolation and Characterisation of Sodium Organometallics:nBuNa and NaTMP	3
Stereoselective Synthesis and Biological Profile of All Stereoisomers of Lactam Analogues of Strigolactones GR24 and GR18	3
Access to Enantioenriched 1, n ‐Diols by Cu‐Catalyzed Enantioselective Protoboration and Hydroboration of Alkenyl Ethers	3
Pnictogen‐Bonding Catalysts, Compared to Tetrel‐Bonding Catalysts: More Than Just Weak Lewis Acids	3
Cover Picture: (Helv. Chim. Acta 10/2023)	3
Eutectic Molten Salt Synthesis of Highly Microporous Macrocyclic Porous Organic Polymers for CO₂ Capture	3
Atomic Tailoring of Ubiquitin Side Chains Influences E2‐Mediated Ubiquitin Chain Formation	3
Access to Cyclic Tetrazanes by Intramolecular Oxidative Coupling of Tethered‐Bishydrazines	3
Light‐Driven Alkyne gem‐Hydrogenation: An Intramolecular Approach to Hoveyda–Grubbs Catalysts	3
Transitions in Solvate Crystals of a Tetraaryladamantane	3
Cover Picture: (Helv. Chim. Acta 7/2024)	3
Ni‐Catalyzed Regioselective Cyclotrimerization of Internal Esteryl Alkynes towards Polysubstituted Benzene Rings	3
Cover Picture: (Helv. Chim. Acta 5/2025)	3
Isolation of a Monomeric Bis(pyridylimino) Isoindolide (BPI) Radical Dianion and Further Insights Into Structures of Reduced BPI Compounds	3
	3
Synthesis of (Di)thiahelicenes and Dithiophenohelicenes by [2+2+2] Cycloisomerization of Alkynes	3
Ionic Liquid Crystalline Calixarene with Photo‐Switchable Proton Conduction	3
Effect of Gel Alkalinity on the Catalytic Properties of PdCu/NaY Zeolites for Methyl Nitrite Carbonylation to Dimethyl Carbonate	2
Metal Nanoclusters as Versatile Building Blocks for Hierarchical Structures	2
Cyclohexane and Beyond: Tangled Hexagons and Octahedra	2
Repurposing FDA‐Approved Anticancer Drugs Offers a Strategy to Target Mutant‐Type Malaria by Inhibiting Parasite DHFR Without Affecting Human DHFR	2
Cover Picture: (Helv. Chim. Acta 12/2023)	2
	2
Fluorocyclisation of Oximes to Isoxazolines Through I(I)/I(III) Catalysis	2
Mesoionic Carbene Cobalt Complexes as Multipurpose Catalyst Precursors for Hydrosilylation and Dihydropyrimidinone Synthesis	2
Controlled Release of Volatile Enones from Monomeric and Dimeric Thioether, Sulfoxide and Sulfone Profragrances	2
Carbohydrate‐Derived Dienes as Building Blocks for Pharmaceutically Relevant Molecules	2
Cover Picture: (Helv. Chim. Acta 2/2024)	2
Cover Picture: (Helv. Chim. Acta 10/2022)	2
Green‐Tuning of (Chir)Optical Properties for Axially‐Chiral Boramidines	2
	2
The Contribution of Ruthenium in the Development of Metallomesogens	2
Azido‐Functionalized Fullerenes, Perylenediimide, Perylene, and Tetraphenylethylene as Crosslinkers for Applications in Materials Science	2
The pK_a of Water and the Fundamental Laws Describing Solution Equilibria: An Appeal for a Consistent Thermodynamic Pedagogy	2
W‐oxo Adamantylidenes: Stable Molecular Precursors for Efficient Silica‐Supported Metathesis Catalysts	2
The MOE Modification of RNA: Origins and Widescale Impact on the Oligonucleotide Therapeutics Field	2
	2
Construction of 5H‐Dibenzo[c,e]azepine Framework from Dibenzothiophene Dioxides andN‐Benzylimines through S_NAr Reactions	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
Phenols as Novel Photocatalytic Platforms for Organic Synthesis	2
Functionalization of Cubane Formation of C−C and C−Heteroatom Bonds	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
Ganna (Anya) Gryn'ova	2
Diels–Alder Additions to 2,2’‐Biaceanthrylene	2
30 + 30 Stripes of Appreciation	2
Opportunities and Limitations of Nanoagrochemicals	2
	2
	2
Thermoresponsive Nanocarriers Transduced by Inorganic Nanoparticles: Design Considerations and Applications in Drug Delivery	2
	2
Ross Milton	2
Cover Picture: (Helv. Chim. Acta 12/2024)	2
Thirty‐Three Years Member of the Group Vasella by Bruno Bernet	2
Chiral Quaternary Ammonium Salt‐Catalyzed Enantioselective Addition Reactions of Hydantoins	2
Cover Picture: (Helv. Chim. Acta 3/2025)	2
Introduction for the Special Collection of Papers in the Honor of the President of the 55th Burgenstock Conference, Janine Cossy	2
Cover Picture: (Helv. Chim. Acta 6/2023)	2
Photocleavable Porphyrin Derivatives for Quantum Optics	2
Helvetica: A New Beginning	2

Mechanochemical and Piezo‐Accelerated Stereoselective Synthesis of Isoindolinones	1
The Two Janus Faces of CpRu‐Based Deallylation Catalysts and Their Application for in Cellulo Prodrug Uncaging	1
Ruthenium Catalysis in Biological Habitats	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
Crystallography without Crystals: A Structural Study of Fakein	1
Cover Picture: (Helv. Chim. Acta 4/2024)	1
Synthesis, Characterization, and Biological Evaluation of Red Light‐Activatable BODIPY‐Caged Ceritinib Compounds	1
Revealing the Indispensable Role of the RFamide Functionality using a Novel Acid Labile Benzofuranone based Amine (ALBA) Linker	1
	1
Diamonds in Chemical Space: The Synthesis of Brexazine	1
Fluorescent Membrane Probes Obey the Israelachvili Rules	1
Single Molecule Conductance of Anthraquinone‐Based Molecular Wire: Effect of the Anchoring Group	1
Cover Picture: (Helv. Chim. Acta 11/2024)	1
Probing the Nature of Surface Hydrides by Deuterium Quadrupolar Parameters: A Case Study on Silica‐Supported Zirconium Hydrides	1
The Story Behind the Link between Molecular Chirality and Crystal Shape	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
Cover Picture: (Helv. Chim. Acta 1/2023)	1
Structural and Synthetic Insights into Sodium‐Mediated‐Ferration of Fluoroarenes	1
	1
	1
Improved Synthesis of Chiral 1,4,7‐Triazacyclononane Derivatives and Their Application in Ni‐Catalyzed Csp³−Csp³ Kumada Cross‐Coupling	1
En Route to Enantioenriched Quaternary Stereocenters via Lewis Base/Palladium Cooperative Catalysis	1
	1
	1
Breakable Nanomaterials to Allow Hair Coloring with Natural Dyes	1
New Access Routes to Privileged and Chiral Ligands for Transition‐Metal Catalyzed Hydrogen Autotransfer (Borrowing Hydrogen), Dehydrogenative Condensation, and Alkene Isomerization Reactions	1
Cover Picture: (Helv. Chim. Acta 6/2022)	1
Recent Progress in Visible Light‐Mediated Synthesis of γ‐lactams	1
A Fluorogenic Substrate for Quinoline Reduction: Pnictogen‐Bonding Catalysis in Aqueous Systems	1
	1
A Novel, Industrially‐feasible Synthetic Route to (+)‐Biotin from L‐Cysteine	1
Reversible Conjugate Addition in Thiol‐Mediated Uptake	1
Engineering Te‐Containing Recognition Modules for Chalcogen Bonding: Towards Supramolecular Polymeric Materials	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
Crystallographic Characterisation of Organolithium and Organomagnesium Intermediates in Reactions of Aldehydes and Ketones	1
Andreu Tortajada	1
Potential of miRNA as Imaging Targets for PET	1
	1
Development of a Novel Measurement Setup to Study and Predict Electrostatic Discharges in Agitated Glass‐Lined Vessels	1
Cover Picture: (Helv. Chim. Acta 11/2022)	1
Strategies for Direct, Transition Metal‐Free Addition of Nitrogen Synthons to Alkenes	0
	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
A Short and Versatile Approach for the Synthesis of Pyrrolizidinones	0
Platinum‐Catalyzed Isomerization of Cyclopropenes to 1,3‐Dienes	0
Murielle F. Delley	0
Understanding the Structure of Protonated Box Ligands: Insights from Spectroscopy and Computational Studies	0
Julien Vantourout	0
Cover Picture: (Helv. Chim. Acta 3/2022)	0
Synthesis and Reactions of Trifluoromethyl‐Substituted 1,3,5‐Triazines	0
Synthesis and Quantitative Analysis of Glycans Conjugated to Gold Nanoparticles	0
Norhygrine Alkaloid and Its Derivatives: Synthetic Approaches and Applications to the Natural Products Synthesis	0
Synthesis of Helical and Planar Extended‐Phenanthridinium Salts	0
	0
Incipient Nucleophilic Attack on a Carbonyl Group Adjacent to a Stereogenic Centre in Peri Naphthalene Derivatives	0
Compound Specific Radiocarbon (¹⁴C) Dating of Our Colorful Past: from Theory to Practice	0
	0
Influence of the Crystallinity of Silver Nanoparticles on Their Magnetic Properties	0
Scalable Preparation of Substituted 4‐Aminoquinolines: Advancements in Manufacturing Process Development	0
	0
Investigating the Cusp Between Dendritic and Supermolecular Architectures in Self‐Organizing Liquid Crystals	0
Room‐Temperature Alkyl‐Diphenylpyrene Liquefication by Molecular Desymmetrization	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
Christopher Newton	0
Amoxicillin Concentrations in Samples of Musculoskeletal Infections	0
A Chiral Propeller‐Shaped Triple Helicene Shows Multi‐Resonant Thermally Activated Delayed Fluorescence	0
TEMPS, the Chalcogen Cousin of the Infamous Stable Radical TEMPO, Traps Radicals via Substitution on Its Dimer (TEMPS)₂	0
Hydroxamic Acids as PARP‐1 Inhibitors: Molecular Design and Anticancer Activity of Novel Phenanthridinones	0
Cover Picture: (Helv. Chim. Acta 8/2022)	0
Gabriel Schäfer	0
Beginning of Second Mandate as Editors‐in‐Chief for Helvetica Chimica Acta	0
Cover Picture: (Helv. Chim. Acta 9/2023)	0
A Mild Rhodium‐Catalyzed Asymmetric 1,4‐Conjugate Addition of Organoboranes to α‐Substituted Heterocyclic Acrylates for Use in Pharmaceutical Products	0
Isolation of Fidaxomicin and Shunt Metabolites from Actinoplanes deccanensis	0
Cover Picture: (Helv. Chim. Acta 3/2024)	0
Sensitized Lanthanide Photoluminescence Based Sensors–a Review	0
	0
Advances in Biohybridized Planar Polymer Membranes and Membrane‐Like Matrices	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
	0
A Highly Efficient Click Linker for Enrichment of Alkyne‐Tagged Proteins in Living Cells	0
β‐Silylacrylate as a Multipurpose Reagent in Organic Synthesis	0
Radicals and Carbohydrates: A Grand Alliance	0
Preparation of 3‐Bromo‐1,2,4,5‐tetrazine	0
Generation of Cyclopentadiene for Diels–Alder Reactions by Visible‐Light Irradiation of Iron Sandwich Complexes	0
Optimizing Phosphate Couplings for Dolichyl Diphosphochitobiose to Enable Protein N‐Glycosylation Studies	0
Direct Access to Fluorinated Sulfonylhydrazides and Study of Their Reactivity in Thiolation Reaction on Indoles	0
Ricardo J. Fernández‐Terán	0
Cover Picture: (Helv. Chim. Acta 11/2023)	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
Structural Determinants of the Binding and Activation of Estrogen Receptor α by Phenolic Thieno[2,3‐d]pyrimidines	0
Cover Picture: (Helv. Chim. Acta 10/2024)	0