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 2021-12-01 to 2025-12-01.)

Article	Citations
	179
	30
	28
	20
Antibacterial, Antifungal and Molecular Docking Studies of N1‐Substituted 5‐Alkylsulfonyl Benzimidazole Derivatives	18
Conrad A. P. Goodwin	18
Radical C4−H Arylation of 1,4‐Dihydropyridines with Cyanoarenes	17
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	15
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	14
High trans‐2‐Decalones by Photoredox Catalyzed β‐Isomerization	11
Cover Picture: (Helv. Chim. Acta 4/2025)	11
	10
How Native Are Peptides After Activation by Collisions or Photons? A Gas‐Phase FRET Study	10
New Phases in the Sc−Mn−Si and Sc−Mn−Al−Si Systems Through Molten Indium Flux Synthesis	9
Endometriosis, the Silent Disease: Molecular Targets, Active Principles, and Drug Delivery Systems	9
Total Synthesis of Salviachinensine A Using a Matteson Homologation Approach	9
New Selective Inhibitors of α‐Glucosidase for the Treatment of Type 2 Diabetes Mellitus	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	8
Rhodium‐Catalyzed Tandem Addition–Cyclization of 1,5‐Enynes with Organoboronic Acids for the Synthesis of Alkylidene‐Cyclobutanes	8
Solid‐State Confinement Effects in Selective exo‐H/D Exchange in the Rhodium σ‐Norbornane Complex [(Cy₂PCH₂CH₂PCy₂)Rh(η²:η²‐C	8

Photoinduced Energy Transfer via an Atropisomeric Molecular Bridge	7
Synthesis and Olfactory Properties of Lower‐Ring Homologues of the Linear Alicyclic Musk Romandolide	7
Sustainable Twist – Towards Highly Atom Efficient Grignard Processes	7
Cover Picture: (Helv. Chim. Acta 4/2022)	7
Playing with Protic Additives to Improve the Outcome of Rhodium‐Catalyzed Hydroarylation of Fullerene C₆₀ with Arylboronic Acids	7
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	7
Synthesis of the Multidrug Reversal Agent Ko143 and Its Parent Natural Product Fumitremorgin C	6
Introduction for the Special Collection of Papers in the Honor of the President of the 57^th Bürgenstock Conference, Erick M. Carreira	6
Does the Central Nitrogen Atom Make a Difference? A Comparison of Non‐Coordinating Pyridine and Benzene Spacers in Multitopic Ligands	6
Synthesis and Properties of Cross‐Shaped Polycyclic Aromatic Hydrocarbons	6
Conglomerate Aggregation of 7,12,17‐Trioxa[11]helicene into Homochiral Two‐Dimensional Crystals on the Cu(100) Surface	6
	6
	6
Divergent Synthesis of Trifluoromethyl Ketones via Photoredox Activation of Halotrifluoroacetones	5
Enantio‐ and Diastereoselective (Ipc)₂BOTf‐Mediated Aldol Reactions of Morpholine Carboxamides	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
Stability of Shielded Pentacenes under Ambient Conditions	5
X‐Ray Crystallographic Studies of Quasi‐Racemates for Absolute Configuration Determinations	5
A Special Issue Dedicated to Professor Andrea Vasella	5
	5
Borotropy: The Mechanism of Boron Transfer Between Adjacent N‐Atoms of Pyrazol‐1‐yl Rings	5
Keteniminium Induced Dienone‐Phenol Rearrangement and Intramolecular 6‐endo‐dig Cyclization Cascade of Yne‐Dienone	5
Abstract Conformer Space	5
Pseudo‐Natural Products Inspired by Aspidospermidine‐, Strychnos‐, and Koumine Monoterpene Indole Alkaloids Reveal Pyrimidine Biosynthesis Inhibitors	5
A Special Issue Dedicated to Professor E. Peter Kündig	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
Catalytic C−H Activation via Four‐Membered Metallacycle Intermediate	5
Visible‐Light Mediated Photooxidative Phosphorylation of Benzylamines: A Novel and Mild Pathway Towards α‐Aminophosphorus Compounds	5
	4
An Unusual Fullerene–Carbene Adduct: Thermal Motion, Disorder, or Both?**	4
Simple Method for Transforming Liquid Silicone Oils Into High‐Quality Solid Silicone Resins	4
Dynemicin A Derivatives as Potential Cancer Chemotherapeutics by Mutasynthesis	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
Novel Synthetic Approach towards Amino‐Substituted Polycyclic Aromatic Hydrocarbons through Electrocyclization of Keteniminium Salts	4
Cover Picture: (Helv. Chim. Acta 1/2022)	4
Synthesizing Strained Azatriseptane Frameworks	4
	4
Synthesis and Reversible H₂ Activation by Coordinatively Unsaturated Rhodium NHC Complexes	4
Solution, Crystal and in Silico Structures of the Organometallic Vitamin B₁₂‐Derivative Acetylcobalamin and of its Novel Rhodium‐Analogue Acetylrhodibalamin	4
A Covalent Binding Mode of a Pyrazole‐Based CD38 Inhibitor	4
Conversion of Isoxazoles to Functionalized Pyrrole and Isoquinoline Derivatives via ROCC Mechanism	4
Cover Picture: (Helv. Chim. Acta 9/2022)	4
A Crystal Structure of an Oligoproline Hexamer with a Zig‐zag Arrangement	4
A Telescopic, Scalable and Industrially Feasible Method for the Synthesis of Antidepressant Drug, Moclobemide	4
Scalable Preparation of 1‐Aminoethyl Oxindoles From Simple Benzaldehydes	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
Reversible Grafting in Surface Organometallic Chemistry with a Late Transition‐Metal Amidinate Precursor	4
Martina Letizia Contente	4
Sydnone‐Cyanines as Clickable Probes for Fluorescent Labelling	4

Synthesis of α‐Fluoroketones from Carboxylic Acids via Decarboxylation of Fluorinated Malonates	3
Transitions in Solvate Crystals of a Tetraaryladamantane	3
Gram‐Scale Synthesis, Isolation and Characterisation of Sodium Organometallics:nBuNa and NaTMP	3
Access to Enantioenriched 1, n ‐Diols by Cu‐Catalyzed Enantioselective Protoboration and Hydroboration of Alkenyl Ethers	3
Cover Picture: (Helv. Chim. Acta 5/2025)	3
Advances in the Synthesis of Heterocycles with Two and Three Heteroatoms using Hydrazonoyl Halides	3
	3
Ionic Liquid Crystalline Calixarene with Photo‐Switchable Proton Conduction	3
Structural Insights into Electrophiles and Electrophilic Metabolites Sensing and Signaling: The Missing Information	3
Atomic Tailoring of Ubiquitin Side Chains Influences E2‐Mediated Ubiquitin Chain Formation	3
Cover Picture: (Helv. Chim. Acta 12/2021)	3
Photoinduced Electron Transfer in Clicked Ferrocene‐BODIPY‐Fullerene Conjugates	3
Cover Picture: (Helv. Chim. Acta 7/2022)	3
Deoxygenation of Ketones and α‐Ketoesters with a Bimetallic Iridium‐Molybdenum Catalyst	3
Circularly Polarized Luminescence of [6]Helicenes through Excited‐State Intramolecular Proton Transfer	3
Structural Flexibility of Metal Chelate Complexes and Its Relation to Supramolecular Chemistry	3
Stereoselective Synthesis and Biological Profile of All Stereoisomers of Lactam Analogues of Strigolactones GR24 and GR18	3
Pnictogen‐Bonding Catalysts, Compared to Tetrel‐Bonding Catalysts: More Than Just Weak Lewis Acids	3
A Special Issue Dedicated to Professor Michael Grätzel	3
Ni‐Catalyzed Regioselective Cyclotrimerization of Internal Esteryl Alkynes towards Polysubstituted Benzene Rings	3
Light‐Driven Alkyne gem‐Hydrogenation: An Intramolecular Approach to Hoveyda–Grubbs Catalysts	3
Access to Cyclic Tetrazanes by Intramolecular Oxidative Coupling of Tethered‐Bishydrazines	3
9‐epi‐Artemisinin – How a Single Stereo Center Affects Chemical Reactivity under Reductive Conditions	3
Cover Picture: (Helv. Chim. Acta 2/2022)	3
	3
Synthesis of N‐Substituted Pyrrole‐2,5‐dicarboxylic Acids from Pyrroles	3
Isolation of a Monomeric Bis(pyridylimino) Isoindolide (BPI) Radical Dianion and Further Insights Into Structures of Reduced BPI Compounds	3
Synthesis of (Di)thiahelicenes and Dithiophenohelicenes by [2+2+2] Cycloisomerization of Alkynes	3
Halocyclopropenium‐Halide Halogen‐Bonded Ion Pairs and Their Hydrogen‐Bonded Halide Solvates	3
Air‐Stable Aluminum Tris[Bis(mesitoyl)Arsenide] Precursor for Metal Arsenide Quantum Dots	3
The Role of Hydrazine in Colorimetric Probes Based on Ferrocene Derivative	3
Cover Picture: (Helv. Chim. Acta 7/2024)	3