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 2021-11-01 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
Radical C4−H Arylation of 1,4‐Dihydropyridines with Cyanoarenes	16
Electric Dipole Polarizability Calculation for Periodic and Non‐Periodic Systems using Atomic‐Orbitals‐based Linear Response Theory	16
Total Synthesis of Salviachinensine A Using a Matteson Homologation Approach	15
Fit‐for‐Purpose Synthesis of CDK2 Inhibitor GNE‐140	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
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
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
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
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
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
Structural Flexibility of Metal Chelate Complexes and Its Relation to Supramolecular Chemistry	3
Cover Picture: (Helv. Chim. Acta 12/2021)	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
Cover Picture: (Helv. Chim. Acta 7/2023)	3
Pnictogen‐Bonding Catalysts, Compared to Tetrel‐Bonding Catalysts: More Than Just Weak Lewis Acids	3
Cover Picture: (Helv. Chim. Acta 11/2021)	3
Photoinduced Electron Transfer in Clicked Ferrocene‐BODIPY‐Fullerene Conjugates	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
Light‐Driven Alkyne gem‐Hydrogenation: An Intramolecular Approach to Hoveyda–Grubbs Catalysts	3
Cover Picture: (Helv. Chim. Acta 7/2024)	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
Deoxygenation of Ketones and α‐Ketoesters with a Bimetallic Iridium‐Molybdenum Catalyst	3
	3
Cover Picture: (Helv. Chim. Acta 2/2022)	3
Synthesis of (Di)thiahelicenes and Dithiophenohelicenes by [2+2+2] Cycloisomerization of Alkynes	3
Synthesis of N‐Substituted Pyrrole‐2,5‐dicarboxylic Acids from Pyrroles	3
Ionic Liquid Crystalline Calixarene with Photo‐Switchable Proton Conduction	3
Synthesis of α‐Fluoroketones from Carboxylic Acids via Decarboxylation of Fluorinated Malonates	3
The Role of Hydrazine in Colorimetric Probes Based on Ferrocene Derivative	3
Cover Picture: (Helv. Chim. Acta 7/2022)	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
Access to Cyclic Tetrazanes by Intramolecular Oxidative Coupling of Tethered‐Bishydrazines	3
Advances in the Synthesis of Heterocycles with Two and Three Heteroatoms using Hydrazonoyl Halides	3
Transitions in Solvate Crystals of a Tetraaryladamantane	3
Elastomers Based on Polynorbornene with Polar Polysiloxane Brushes for Soft Transducer Applications	3
Ni‐Catalyzed Regioselective Cyclotrimerization of Internal Esteryl Alkynes towards Polysubstituted Benzene Rings	3
A Targeted Approach for the Metabolome Analysis of E. coli Biofilms	3