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 2021-06-01 to 2025-06-01.)

Article	Citations
	131
	28
	27
	25
Conrad A. P. Goodwin	24
	21
Radical C4−H Arylation of 1,4‐Dihydropyridines with Cyanoarenes	20
Azobenzene: a Visible‐Light Chemical Actinometer for the Characterization of Fluidic Photosystems	16
Synthesis of Stereochemically Flexible Cyclic Biphenylbisphosphinite Ligands: Control of the Dynamics and Selectivity	15
	14
pH‐Controlled Supramolecular Self‐Assembly of Naphthalenediimide Appended l‐Alanine and Ethylenediamine Asymmetric Bolaamphiphile	14
Electric Dipole Polarizability Calculation for Periodic and Non‐Periodic Systems using Atomic‐Orbitals‐based Linear Response Theory	14
Endometriosis, the Silent Disease: Molecular Targets, Active Principles, and Drug Delivery Systems	12
	12
Fit‐for‐Purpose Synthesis of CDK2 Inhibitor GNE‐140	12
High trans‐2‐Decalones by Photoredox Catalyzed β‐Isomerization	12
Rhodium‐Catalyzed Tandem Addition–Cyclization of 1,5‐Enynes with Organoboronic Acids for the Synthesis of Alkylidene‐Cyclobutanes	12
Tailoring the Hybridization Density of DNA Biosensors through Tunable Surface Functionalization	11
Structure and Magnetic Properties of a Series of Uranium Bis‐Siloxide Complexes	11
Electronic Structures of Late versus Early Transition Metal Imido Complexes from ¹⁵N‐NMR Signatures	10
New Selective Inhibitors of α‐Glucosidase for the Treatment of Type 2 Diabetes Mellitus	10
Sascha Hoogendoorn	10
Total Synthesis of Salviachinensine A Using a Matteson Homologation Approach	10
New Phases in the Sc−Mn−Si and Sc−Mn−Al−Si Systems Through Molten Indium Flux Synthesis	9
Conglomerate Aggregation of 7,12,17‐Trioxa[11]helicene into Homochiral Two‐Dimensional Crystals on the Cu(100) Surface	8

Cover Picture: (Helv. Chim. Acta 4/2022)	8
Cover Picture: (Helv. Chim. Acta 4/2025)	8
Bottom‐Up Synthesis, Dispersion and Properties of Rectangular‐Shaped Graphene Quantum Dots	8
How Native Are Peptides After Activation by Collisions or Photons? A Gas‐Phase FRET Study	8
Synthesis of the Multidrug Reversal Agent Ko143 and Its Parent Natural Product Fumitremorgin C	8
Introduction for the Special Collection of Papers in the Honor of the President of the 57^th Bürgenstock Conference, Erick M. Carreira	7
Playing with Protic Additives to Improve the Outcome of Rhodium‐Catalyzed Hydroarylation of Fullerene C₆₀ with Arylboronic Acids	7
Divergent Synthesis of Trifluoromethyl Ketones via Photoredox Activation of Halotrifluoroacetones	7
Synthesis and Olfactory Properties of Lower‐Ring Homologues of the Linear Alicyclic Musk Romandolide	7
Does the Central Nitrogen Atom Make a Difference? A Comparison of Non‐Coordinating Pyridine and Benzene Spacers in Multitopic Ligands	7
Sustainable Twist – Towards Highly Atom Efficient Grignard Processes	7
	6
Solid‐State Confinement Effects in Selective exo‐H/D Exchange in the Rhodium σ‐Norbornane Complex [(Cy₂PCH₂CH₂PCy₂)Rh(η²:η²‐C	6
Photoinduced Energy Transfer via an Atropisomeric Molecular Bridge	6
	6
	6
	6
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	6
Abstract Conformer Space	5
A Special Issue Dedicated to Professor E. Peter Kündig	5
A Telescopic, Scalable and Industrially Feasible Method for the Synthesis of Antidepressant Drug, Moclobemide	5
Enantio‐ and Diastereoselective (Ipc)₂BOTf‐Mediated Aldol Reactions of Morpholine Carboxamides	5
	5
Keteniminium Induced Dienone‐Phenol Rearrangement and Intramolecular 6‐endo‐dig Cyclization Cascade of Yne‐Dienone	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
X‐Ray Crystallographic Studies of Quasi‐Racemates for Absolute Configuration Determinations	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
Borotropy: The Mechanism of Boron Transfer Between Adjacent N‐Atoms of Pyrazol‐1‐yl Rings	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
Stability of Shielded Pentacenes under Ambient Conditions	5
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
Reversible Grafting in Surface Organometallic Chemistry with a Late Transition‐Metal Amidinate Precursor	4
Cover Picture: (Helv. Chim. Acta 1/2022)	4
Martina Letizia Contente	4
Synthesis and Reversible H₂ Activation by Coordinatively Unsaturated Rhodium NHC Complexes	4
Scalable Preparation of 1‐Aminoethyl Oxindoles From Simple Benzaldehydes	4
Solution, Crystal and in Silico Structures of the Organometallic Vitamin B₁₂‐Derivative Acetylcobalamin and of its Novel Rhodium‐Analogue Acetylrhodibalamin	4
Spirocyclic Amide Acetal Synthesis by [CpRu]‐Catalyzed Condensations of α‐Diazo‐β‐Ketoesters with γ‐Lactams	4
Cover Picture: (Helv. Chim. Acta 9/2022)	4
Synthesizing Strained Azatriseptane Frameworks	4
Paramagnetic Oxygen as Contrast Agent for a Potential PDT Treatment MRI Monitoring	4
Conversion of Isoxazoles to Functionalized Pyrrole and Isoquinoline Derivatives via ROCC Mechanism	4
Novel Synthetic Approach towards Amino‐Substituted Polycyclic Aromatic Hydrocarbons through Electrocyclization of Keteniminium Salts	4
	4
A Crystal Structure of an Oligoproline Hexamer with a Zig‐zag Arrangement	4
Sydnone‐Cyanines as Clickable Probes for Fluorescent Labelling	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	3
Cover Picture: (Helv. Chim. Acta 2/2022)	3
Cover Picture: (Helv. Chim. Acta 12/2021)	3
Atomic Tailoring of Ubiquitin Side Chains Influences E2‐Mediated Ubiquitin Chain Formation	3
	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
Stereoselective Synthesis and Biological Profile of All Stereoisomers of Lactam Analogues of Strigolactones GR24 and GR18	3
The Role of Hydrazine in Colorimetric Probes Based on Ferrocene Derivative	3
A Special Issue Dedicated to Professor Michael Grätzel	3
Structural Flexibility of Metal Chelate Complexes and Its Relation to Supramolecular Chemistry	3
Ni‐Catalyzed Regioselective Cyclotrimerization of Internal Esteryl Alkynes towards Polysubstituted Benzene Rings	3
Cover Picture: (Helv. Chim. Acta 11/2021)	3
Gram‐Scale Synthesis, Isolation and Characterisation of Sodium Organometallics:nBuNa and NaTMP	3
Transitions in Solvate Crystals of a Tetraaryladamantane	3
Pnictogen‐Bonding Catalysts, Compared to Tetrel‐Bonding Catalysts: More Than Just Weak Lewis Acids	3
Improvements in the Synthesis of the Third‐Generation EGFR Inhibitor Osimertinib	3
Light‐Driven Alkyne gem‐Hydrogenation: An Intramolecular Approach to Hoveyda–Grubbs Catalysts	3
Cover Picture: (Helv. Chim. Acta 7/2022)	3
Structural Insights into Electrophiles and Electrophilic Metabolites Sensing and Signaling: The Missing Information	3
Synthesis of α‐Fluoroketones from Carboxylic Acids via Decarboxylation of Fluorinated Malonates	3
9‐epi‐Artemisinin – How a Single Stereo Center Affects Chemical Reactivity under Reductive Conditions	3
Access to Enantioenriched 1,n‐Diols by Cu‐Catalyzed Enantioselective Protoboration and Hydroboration of Alkenyl Ethers	3
Blacklight‐Induced Hydroxylation of Arylboronic Acids Leading to Hydroxyarenes Using Molecular Oxygen and Tetrabutylammonium Borohydride	3
Cover Picture: (Helv. Chim. Acta 7/2024)	3
Ross Milton	3
Cover Picture: (Helv. Chim. Acta 5/2025)	3
Ring Construction by 1,1‐Carboboration; Making Anthracene Derivatives from a Tetra(alkynyl)benzene	3
Photoinduced Electron Transfer in Clicked Ferrocene‐BODIPY‐Fullerene Conjugates	3
Dynemicin A Derivatives as Potential Cancer Chemotherapeutics by Mutasynthesis	3
Total Synthesis of Tagitinins, Goyazensolide and Related Furanoheliangolides and their Covalent Interaction with Importin‐5 (IPO5)	3
Synthesis of N‐Substituted Pyrrole‐2,5‐dicarboxylic Acids from Pyrroles	3
A Covalent Binding Mode of a Pyrazole‐Based CD38 Inhibitor	3
Synthesis of (Di)thiahelicenes and Dithiophenohelicenes by [2+2+2] Cycloisomerization of Alkynes	3
Circularly Polarized Luminescence of [6]Helicenes through Excited‐State Intramolecular Proton Transfer	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
Cover Picture: (Helv. Chim. Acta 10/2023)	3