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 2021-08-01 to 2025-08-01.)

Article	Citations
	145
	27
	26
	26
	24
	17
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
Synthesis of Stereochemically Flexible Cyclic Biphenylbisphosphinite Ligands: Control of the Dynamics and Selectivity	15
Conrad A. P. Goodwin	15
	14
Tailoring the Hybridization Density of DNA Biosensors through Tunable Surface Functionalization	13
Sascha Hoogendoorn	13
New Selective Inhibitors of α‐Glucosidase for the Treatment of Type 2 Diabetes Mellitus	13
New Phases in the Sc−Mn−Si and Sc−Mn−Al−Si Systems Through Molten Indium Flux Synthesis	13
Structure and Magnetic Properties of a Series of Uranium Bis‐Siloxide Complexes	12
Electronic Structures of Late versus Early Transition Metal Imido Complexes from ¹⁵N‐NMR Signatures	12
How Native Are Peptides After Activation by Collisions or Photons? A Gas‐Phase FRET Study	11
Rhodium‐Catalyzed Tandem Addition–Cyclization of 1,5‐Enynes with Organoboronic Acids for the Synthesis of Alkylidene‐Cyclobutanes	11
High trans‐2‐Decalones by Photoredox Catalyzed β‐Isomerization	11
Endometriosis, the Silent Disease: Molecular Targets, Active Principles, and Drug Delivery Systems	10
Total Synthesis of Salviachinensine A Using a Matteson Homologation Approach	9
Bottom‐Up Synthesis, Dispersion and Properties of Rectangular‐Shaped Graphene Quantum Dots	9
Fit‐for‐Purpose Synthesis of CDK2 Inhibitor GNE‐140	9
Conglomerate Aggregation of 7,12,17‐Trioxa[11]helicene into Homochiral Two‐Dimensional Crystals on the Cu(100) Surface	8

Solid‐State Confinement Effects in Selective exo‐H/D Exchange in the Rhodium σ‐Norbornane Complex [(Cy₂PCH₂CH₂PCy₂)Rh(η²:η²‐C	8
Synthesis of the Multidrug Reversal Agent Ko143 and Its Parent Natural Product Fumitremorgin C	8
Cover Picture: (Helv. Chim. Acta 4/2025)	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
Photoinduced Energy Transfer via an Atropisomeric Molecular Bridge	7
Sustainable Twist – Towards Highly Atom Efficient Grignard Processes	7
Cover Picture: (Helv. Chim. Acta 4/2022)	7
Divergent Synthesis of Trifluoromethyl Ketones via Photoredox Activation of Halotrifluoroacetones	7
Playing with Protic Additives to Improve the Outcome of Rhodium‐Catalyzed Hydroarylation of Fullerene C₆₀ with Arylboronic Acids	7
Introduction for the Special Collection of Papers in the Honor of the President of the 57^th Bürgenstock Conference, Erick M. Carreira	7
Does the Central Nitrogen Atom Make a Difference? A Comparison of Non‐Coordinating Pyridine and Benzene Spacers in Multitopic Ligands	7
Synthesis and Olfactory Properties of Lower‐Ring Homologues of the Linear Alicyclic Musk Romandolide	7
Visible‐Light Mediated Photooxidative Phosphorylation of Benzylamines: A Novel and Mild Pathway Towards α‐Aminophosphorus Compounds	6
	6
Keteniminium Induced Dienone‐Phenol Rearrangement and Intramolecular 6‐endo‐dig Cyclization Cascade of Yne‐Dienone	6
	6
	6
Stability of Shielded Pentacenes under Ambient Conditions	5
A Special Issue Dedicated to Professor E. Peter Kündig	5
A Special Issue Dedicated to Professor Andrea Vasella	5
Abstract Conformer Space	5
Improvements in the Synthesis of the Third‐Generation EGFR Inhibitor Osimertinib	5
Reversible Grafting in Surface Organometallic Chemistry with a Late Transition‐Metal Amidinate Precursor	5
An Unusual Fullerene–Carbene Adduct: Thermal Motion, Disorder, or Both?**	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
Catalytic C−H Activation via Four‐Membered Metallacycle Intermediate	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
Enantio‐ and Diastereoselective (Ipc)₂BOTf‐Mediated Aldol Reactions of Morpholine Carboxamides	5
Spirocyclic Amide Acetal Synthesis by [CpRu]‐Catalyzed Condensations of α‐Diazo‐β‐Ketoesters with γ‐Lactams	5
A Crystal Structure of an Oligoproline Hexamer with a Zig‐zag Arrangement	5
	5
X‐Ray Crystallographic Studies of Quasi‐Racemates for Absolute Configuration Determinations	5
Borotropy: The Mechanism of Boron Transfer Between Adjacent N‐Atoms of Pyrazol‐1‐yl Rings	5
A Telescopic, Scalable and Industrially Feasible Method for the Synthesis of Antidepressant Drug, Moclobemide	5
Paramagnetic Oxygen as Contrast Agent for a Potential PDT Treatment MRI Monitoring	5
Conversion of Isoxazoles to Functionalized Pyrrole and Isoquinoline Derivatives via ROCC Mechanism	5
Simple Method for Transforming Liquid Silicone Oils Into High‐Quality Solid Silicone Resins	5
Cover Picture: (Helv. Chim. Acta 9/2022)	4
Scalable Preparation of 1‐Aminoethyl Oxindoles From Simple Benzaldehydes	4
Circularly Polarized Luminescence of [6]Helicenes through Excited‐State Intramolecular Proton Transfer	4
Cover Picture: (Helv. Chim. Acta 1/2022)	4
Synthesis and Reversible H₂ Activation by Coordinatively Unsaturated Rhodium NHC Complexes	4
Martina Letizia Contente	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
A Special Issue Dedicated to Professor Michael Grätzel	4
Solution, Crystal and in Silico Structures of the Organometallic Vitamin B₁₂‐Derivative Acetylcobalamin and of its Novel Rhodium‐Analogue Acetylrhodibalamin	4
Sydnone‐Cyanines as Clickable Probes for Fluorescent Labelling	4
	4
9‐epi‐Artemisinin – How a Single Stereo Center Affects Chemical Reactivity under Reductive Conditions	4
Novel Synthetic Approach towards Amino‐Substituted Polycyclic Aromatic Hydrocarbons through Electrocyclization of Keteniminium Salts	4

Synthesizing Strained Azatriseptane Frameworks	4
Synthesis of N‐Substituted Pyrrole‐2,5‐dicarboxylic Acids from Pyrroles	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
Ross Milton	3
Dynemicin A Derivatives as Potential Cancer Chemotherapeutics by Mutasynthesis	3
Transitions in Solvate Crystals of a Tetraaryladamantane	3
Total Synthesis of Tagitinins, Goyazensolide and Related Furanoheliangolides and their Covalent Interaction with Importin‐5 (IPO5)	3
Halogen Bonding of N‐Halosuccinimides with Amines and Effects of Brønsted Acids in Quinuclidine‐Catalyzed Halocyclizations	3
Ionic Liquid Crystalline Calixarene with Photo‐Switchable Proton Conduction	3
Ni‐Catalyzed Regioselective Cyclotrimerization of Internal Esteryl Alkynes towards Polysubstituted Benzene Rings	3
The Role of Hydrazine in Colorimetric Probes Based on Ferrocene Derivative	3
A Targeted Approach for the Metabolome Analysis of E. coli Biofilms	3
Atomic Tailoring of Ubiquitin Side Chains Influences E2‐Mediated Ubiquitin Chain Formation	3
	3
A Covalent Binding Mode of a Pyrazole‐Based CD38 Inhibitor	3
Cover Picture: (Helv. Chim. Acta 2/2022)	3
Structural Insights into Electrophiles and Electrophilic Metabolites Sensing and Signaling: The Missing Information	3
Stereoselective Synthesis and Biological Profile of All Stereoisomers of Lactam Analogues of Strigolactones GR24 and GR18	3
Photoinduced Electron Transfer in Clicked Ferrocene‐BODIPY‐Fullerene Conjugates	3
Blacklight‐Induced Hydroxylation of Arylboronic Acids Leading to Hydroxyarenes Using Molecular Oxygen and Tetrabutylammonium Borohydride	3
Structural Flexibility of Metal Chelate Complexes and Its Relation to Supramolecular Chemistry	3
Synthesis of (Di)thiahelicenes and Dithiophenohelicenes by [2+2+2] Cycloisomerization of Alkynes	3
Cover Picture: (Helv. Chim. Acta 12/2021)	3
Eutectic Molten Salt Synthesis of Highly Microporous Macrocyclic Porous Organic Polymers for CO₂ Capture	3
Advances in the Synthesis of Heterocycles with Two and Three Heteroatoms using Hydrazonoyl Halides	3
Access to Enantioenriched 1,n‐Diols by Cu‐Catalyzed Enantioselective Protoboration and Hydroboration of Alkenyl Ethers	3
Halocyclopropenium‐Halide Halogen‐Bonded Ion Pairs and Their Hydrogen‐Bonded Halide Solvates	3
Hydroalkylation of 1,1‐Diarylalkenes Mediated by Magnesium Hydride in Ethereal Solvents	3
Ring Construction by 1,1‐Carboboration; Making Anthracene Derivatives from a Tetra(alkynyl)benzene	3
Cover Picture: (Helv. Chim. Acta 5/2025)	3
Cover Picture: (Helv. Chim. Acta 7/2024)	3
Pnictogen‐Bonding Catalysts, Compared to Tetrel‐Bonding Catalysts: More Than Just Weak Lewis Acids	3
Cover Picture: (Helv. Chim. Acta 7/2022)	3
Light‐Driven Alkyne gem‐Hydrogenation: An Intramolecular Approach to Hoveyda–Grubbs Catalysts	3
Cover Picture: (Helv. Chim. Acta 7/2023)	3
Cover Picture: (Helv. Chim. Acta 11/2021)	3