OOIR: Observatory of International Research

Papers

(The TQCC of Helvetica Chimica Acta is 3. 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
Antibacterial, Antifungal and Molecular Docking Studies of N1‐Substituted 5‐Alkylsulfonyl Benzimidazole Derivatives	20
Conrad A. P. Goodwin	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
Cover Picture: (Helv. Chim. Acta 4/2025)	11
Structure and Magnetic Properties of a Series of Uranium Bis‐Siloxide Complexes	11
	11
How Native Are Peptides After Activation by Collisions or Photons? A Gas‐Phase FRET Study	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
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
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
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
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
	6
	6
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
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
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
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
Ionic Liquid Crystalline Calixarene with Photo‐Switchable Proton Conduction	3

Noninvasive Disease Diagnostics: The Swiss Contribution Highlights to Breath Analysis Research	3
Pnictogen‐Bonding Catalysts, Compared to Tetrel‐Bonding Catalysts: More Than Just Weak Lewis Acids	3
Access to Enantioenriched 1, n ‐Diols by Cu‐Catalyzed Enantioselective Protoboration and Hydroboration of Alkenyl Ethers	3
The Role of Hydrazine in Colorimetric Probes Based on Ferrocene Derivative	3
Cover Picture: (Helv. Chim. Acta 7/2022)	3
Atomic Tailoring of Ubiquitin Side Chains Influences E2‐Mediated Ubiquitin Chain Formation	3
Structural Insights into Electrophiles and Electrophilic Metabolites Sensing and Signaling: The Missing Information	3
	3
Access to Cyclic Tetrazanes by Intramolecular Oxidative Coupling of Tethered‐Bishydrazines	3
Cover Picture: (Helv. Chim. Acta 7/2024)	3
Transitions in Solvate Crystals of a Tetraaryladamantane	3
Structural Flexibility of Metal Chelate Complexes and Its Relation to Supramolecular Chemistry	3
Sulfonamide‐Derived N,N,N‐Ligand Enabled Copper‐Catalyzed Radical 1,2‐Trichloromethylthioesterification of Styrenes	3
	3
A Special Issue Dedicated to Professor Michael Grätzel	3
Ni‐Catalyzed Regioselective Cyclotrimerization of Internal Esteryl Alkynes towards Polysubstituted Benzene Rings	3
Circularly Polarized Luminescence of [6]Helicenes through Excited‐State Intramolecular Proton Transfer	3
Cover Picture: (Helv. Chim. Acta 5/2025)	3
Elastomers Based on Polynorbornene with Polar Polysiloxane Brushes for Soft Transducer Applications	3
Tuning Pore Chemistry in Dioxin‐Linked Porous Organic Polymers for Enhanced High‐Pressure CO ₂ Uptake	3
Photoinduced Electron Transfer in Clicked Ferrocene‐BODIPY‐Fullerene Conjugates	3
Synthesis of (Di)thiahelicenes and Dithiophenohelicenes by [2+2+2] Cycloisomerization of Alkynes	3
Eutectic Molten Salt Synthesis of Highly Microporous Macrocyclic Porous Organic Polymers for CO₂ Capture	3
Air‐Stable Aluminum Tris[Bis(mesitoyl)Arsenide] Precursor for Metal Arsenide Quantum Dots	3
Advances in the Synthesis of Heterocycles with Two and Three Heteroatoms using Hydrazonoyl Halides	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
Gram‐Scale Synthesis, Isolation and Characterisation of Sodium Organometallics:nBuNa and NaTMP	3
Isolation of a Monomeric Bis(pyridylimino) Isoindolide (BPI) Radical Dianion and Further Insights Into Structures of Reduced BPI Compounds	3
Stereoselective Synthesis and Biological Profile of All Stereoisomers of Lactam Analogues of Strigolactones GR24 and GR18	3
Deoxygenation of Ketones and α‐Ketoesters with a Bimetallic Iridium‐Molybdenum Catalyst	3
Synthesis of N‐Substituted Pyrrole‐2,5‐dicarboxylic Acids from Pyrroles	3
Cover Picture: (Helv. Chim. Acta 2/2022)	3