OOIR: Observatory of International Research

Papers

(The median citation count of Helvetica Chimica Acta is 0. 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
Electric Dipole Polarizability Calculation for Periodic and Non‐Periodic Systems using Atomic‐Orbitals‐based Linear Response Theory	16
Radical C4−H Arylation of 1,4‐Dihydropyridines with Cyanoarenes	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
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
How Native Are Peptides After Activation by Collisions or Photons? A Gas‐Phase FRET Study	11
Endometriosis, the Silent Disease: Molecular Targets, Active Principles, and Drug Delivery Systems	10
Bottom‐Up Synthesis, Dispersion and Properties of Rectangular‐Shaped Graphene Quantum Dots	9
Fit‐for‐Purpose Synthesis of CDK2 Inhibitor GNE‐140	9
Total Synthesis of Salviachinensine A Using a Matteson Homologation Approach	9
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
Conglomerate Aggregation of 7,12,17‐Trioxa[11]helicene into Homochiral Two‐Dimensional Crystals on the Cu(100) Surface	8
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
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
	6
Keteniminium Induced Dienone‐Phenol Rearrangement and Intramolecular 6‐endo‐dig Cyclization Cascade of Yne‐Dienone	6
	6
	6
Visible‐Light Mediated Photooxidative Phosphorylation of Benzylamines: A Novel and Mild Pathway Towards α‐Aminophosphorus Compounds	6
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
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
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
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
The Role of Hydrazine in Colorimetric Probes Based on Ferrocene Derivative	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
Cover Picture: (Helv. Chim. Acta 5/2025)	3
Cover Picture: (Helv. Chim. Acta 7/2024)	3
Cover Picture: (Helv. Chim. Acta 7/2022)	3
Cover Picture: (Helv. Chim. Acta 7/2023)	3
Cover Picture: (Helv. Chim. Acta 2/2022)	3
Photoinduced Electron Transfer in Clicked Ferrocene‐BODIPY‐Fullerene Conjugates	3
Structural Flexibility of Metal Chelate Complexes and Its Relation to Supramolecular Chemistry	3
Synthesis of N‐Substituted Pyrrole‐2,5‐dicarboxylic Acids from Pyrroles	3
Cover Picture: (Helv. Chim. Acta 12/2021)	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
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
Halogen Bonding of N‐Halosuccinimides with Amines and Effects of Brønsted Acids in Quinuclidine‐Catalyzed Halocyclizations	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
Ring Construction by 1,1‐Carboboration; Making Anthracene Derivatives from a Tetra(alkynyl)benzene	3
Pnictogen‐Bonding Catalysts, Compared to Tetrel‐Bonding Catalysts: More Than Just Weak Lewis Acids	3
Light‐Driven Alkyne gem‐Hydrogenation: An Intramolecular Approach to Hoveyda–Grubbs Catalysts	3
Atomic Tailoring of Ubiquitin Side Chains Influences E2‐Mediated Ubiquitin Chain Formation	3
	3
Cover Picture: (Helv. Chim. Acta 11/2021)	3
A Covalent Binding Mode of a Pyrazole‐Based CD38 Inhibitor	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
Blacklight‐Induced Hydroxylation of Arylboronic Acids Leading to Hydroxyarenes Using Molecular Oxygen and Tetrabutylammonium Borohydride	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
Ross Milton	3
Transitions in Solvate Crystals of a Tetraaryladamantane	3
Ionic Liquid Crystalline Calixarene with Photo‐Switchable Proton Conduction	3
Advances in the Synthesis of Heterocycles with Two and Three Heteroatoms using Hydrazonoyl Halides	3
W‐oxo Adamantylidenes: Stable Molecular Precursors for Efficient Silica‐Supported Metathesis Catalysts	2
Elastomers Based on Polynorbornene with Polar Polysiloxane Brushes for Soft Transducer Applications	2
Metal Nanoclusters as Versatile Building Blocks for Hierarchical Structures	2
On the Structure–Odor Correlation of Muguet Aldehydes: Synthesis of 3‐(4’‐Isobutyl‐2’‐methylphenyl)propanal (Nympheal) and Four Novel Derivatives from a Hagemann’s Ester	2
Green‐Tuning of (Chir)Optical Properties for Axially‐Chiral Boramidines	2
Chiral Quaternary Ammonium Salt‐Catalyzed Enantioselective Addition Reactions of Hydantoins	2
Cover Picture: (Helv. Chim. Acta 12/2024)	2
Cover Picture: (Helv. Chim. Acta 6/2023)	2
Cover Picture: (Helv. Chim. Acta 10/2022)	2
Enantioselective Catalytic Crotylboration Based Syntheses of the C(7)–C(18(20)) Fragments of Polyketides Isolated from Streptomyces gramineus	2
A Practical Route to Cyclobutanols and Fluorocyclobutanes	2
The pK_a of Water and the Fundamental Laws Describing Solution Equilibria: An Appeal for a Consistent Thermodynamic Pedagogy	2
	2
Fluorocyclisation of Oximes to Isoxazolines Through I(I)/I(III) Catalysis	2
	2
Construction of 5H‐Dibenzo[c,e]azepine Framework from Dibenzothiophene Dioxides andN‐Benzylimines through S_NAr Reactions	2
The Contribution of Ruthenium in the Development of Metallomesogens	2
The MOE Modification of RNA: Origins and Widescale Impact on the Oligonucleotide Therapeutics Field	2
Mesoionic Carbene Cobalt Complexes as Multipurpose Catalyst Precursors for Hydrosilylation and Dihydropyrimidinone Synthesis	2
Cover Picture: (Helv. Chim. Acta 3/2025)	2
Cover Picture: (Helv. Chim. Acta 12/2023)	2
Cover Picture: (Helv. Chim. Acta 2/2023)	2
Photocleavable Porphyrin Derivatives for Quantum Optics	2
Phenols as Novel Photocatalytic Platforms for Organic Synthesis	2
	2
	2
30 + 30 Stripes of Appreciation	2
Controlled Release of Volatile Enones from Monomeric and Dimeric Thioether, Sulfoxide and Sulfone Profragrances	2
Cyclohexane and Beyond: Tangled Hexagons and Octahedra	2
Diels–Alder Additions to 2,2’‐Biaceanthrylene	2
Cover Picture: (Helv. Chim. Acta 10/2023)	2
NMR Investigation of Lanthanoid (III) Complexes of bbppn (H₂bbppn: N,N’‐bis(2‐hydroxybenzyl)‐N,N’‐bis(2‐methylpyridyl)propylene‐1,2‐diamine)	2
Azido‐Functionalized Fullerenes, Perylenediimide, Perylene, and Tetraphenylethylene as Crosslinkers for Applications in Materials Science	2
Opportunities and Limitations of Nanoagrochemicals	2
Carbohydrate‐Derived Dienes as Building Blocks for Pharmaceutically Relevant Molecules	2
Cover Picture: (Helv. Chim. Acta 2/2024)	2
Thermoresponsive Nanocarriers Transduced by Inorganic Nanoparticles: Design Considerations and Applications in Drug Delivery	2
Functionalization of Cubane Formation of C−C and C−Heteroatom Bonds	2
α‐ and β‐Eliminations in Transition Metal Complexes: Strategies to Cleave Unstrained C−C and C−F Bonds	2
Helvetica: A New Beginning	2
Ganna (Anya) Gryn'ova	2
Effect of Gel Alkalinity on the Catalytic Properties of PdCu/NaY Zeolites for Methyl Nitrite Carbonylation to Dimethyl Carbonate	2
Introduction for the Special Collection of Papers in the Honor of the President of the 55th Burgenstock Conference, Janine Cossy	2

Thirty‐Three Years Member of the Group Vasella by Bruno Bernet	2
	2
	1
Fluorescent Membrane Probes Obey the Israelachvili Rules	1
Revealing the Indispensable Role of the RFamide Functionality using a Novel Acid Labile Benzofuranone based Amine (ALBA) Linker	1
	1
Crystallographic Characterisation of Organolithium and Organomagnesium Intermediates in Reactions of Aldehydes and Ketones	1
Breakable Nanomaterials to Allow Hair Coloring with Natural Dyes	1
Synthesis, Characterization, and Biological Evaluation of Red Light‐Activatable BODIPY‐Caged Ceritinib Compounds	1
Probing the Nature of Surface Hydrides by Deuterium Quadrupolar Parameters: A Case Study on Silica‐Supported Zirconium Hydrides	1
Single Molecule Conductance of Anthraquinone‐Based Molecular Wire: Effect of the Anchoring Group	1
Radical Silyl‐ and Germylzincation of Propargylic Alcohols	1
Ruthenium Catalysis in Biological Habitats	1
Organocatalytic Enantioselective Synthesis of Chiral Spiro‐indoline‐pyrazolones through a formal [4+1] Annulation Reaction of 4‐Bromopyrazolones and aza‐ortho‐Quinone Methides	1
The Story Behind the Link between Molecular Chirality and Crystal Shape	1
Cover Picture: (Helv. Chim. Acta 6/2022)	1
	1
Iron‐Catalyzed C–H Activation/Aza‐Annulation with 2‐Butyne for Accessing Methylated Aza‐Arenes	1
Cover Picture: (Helv. Chim. Acta 4/2024)	1
Andreu Tortajada	1
New Access Routes to Privileged and Chiral Ligands for Transition‐Metal Catalyzed Hydrogen Autotransfer (Borrowing Hydrogen), Dehydrogenative Condensation, and Alkene Isomerization Reactions	1
Improved Synthesis of Chiral 1,4,7‐Triazacyclononane Derivatives and Their Application in Ni‐Catalyzed Csp³−Csp³ Kumada Cross‐Coupling	1
Cover Picture: (Helv. Chim. Acta 11/2024)	1
Intramolecular Charge‐Transfer Dynamics in Benzodifuran‐Based Triads	1
Potential of miRNA as Imaging Targets for PET	1
Efficient Polymer Functionalization by Means of Extreme Ultraviolet	1
A Fluorogenic Substrate for Quinoline Reduction: Pnictogen‐Bonding Catalysis in Aqueous Systems	1
	1
	1
The Two Janus Faces of CpRu‐Based Deallylation Catalysts and Their Application for in Cellulo Prodrug Uncaging	1
Development of Photoredox‐Assisted Direct α‐Alkylation Reactions of Ketones with Arylalkenes Using a Catalytic Amount of LiO^tBu as a Brønsted Base	1
Computational Study of Benzosultam Formation through Gold(I)‐Catalyzed Ammoniumation/Nucleophilic Substitution Reaction	1
Trinodal Self‐Penetrating Versus cds 3‐Dimensional Networks Using Bis(3,2’ : 6’,3’’‐terpyridine) Building Blocks: the Solvent Makes the Difference	1
Chiral Crystals, Jack, Conductivity and Magnetism	1
Structural and Synthetic Insights into Sodium‐Mediated‐Ferration of Fluoroarenes	1
Protocol for the Photocatalytic Hydroxyalkenylation of Alkenes Using 1,2‐Bis(phenylsulfonyl)ethylene and Water	1
Cyclic Haloiodanes: Syntheses, Applications and Fundamental Studies	1
	1
Recent Progress in Visible Light‐Mediated Synthesis of γ‐lactams	1
Diamonds in Chemical Space: The Synthesis of Brexazine	1
Development of a Novel Measurement Setup to Study and Predict Electrostatic Discharges in Agitated Glass‐Lined Vessels	1
En Route to Enantioenriched Quaternary Stereocenters via Lewis Base/Palladium Cooperative Catalysis	1
Cover Picture: (Helv. Chim. Acta 11/2022)	1
	1
A Novel, Industrially‐feasible Synthetic Route to (+)‐Biotin from L‐Cysteine	1
Cover Picture: (Helv. Chim. Acta 1/2023)	1
Engineering Te‐Containing Recognition Modules for Chalcogen Bonding: Towards Supramolecular Polymeric Materials	1
Crystallography without Crystals: A Structural Study of Fakein	1
Suppressing Inversion of a Chiral Polycyclic Aromatic Aza Monkey Saddle by Molecular Editing	1
Development and Molecular Understanding of a Pd‐Catalyzed Cyanation of Aryl Boronic Acids Enabled by High‐Throughput Experimentation and Data Analysis	1
Structural Determinants of the Binding and Activation of Estrogen Receptor α by Phenolic Thieno[2,3‐d]pyrimidines	0
A Highly Efficient Click Linker for Enrichment of Alkyne‐Tagged Proteins in Living Cells	0
	0
Cover Picture: (Helv. Chim. Acta 10/2024)	0
Andrea Vasella and the Active Site of Glycoside Hydrolases	0
Radicals and Carbohydrates: A Grand Alliance	0
Investigating the Cusp Between Dendritic and Supermolecular Architectures in Self‐Organizing Liquid Crystals	0
A Journey through Hemetsberger–Knittel, Leimgruber–Batcho and Bartoli Reactions: Access to Several Hydroxy 5‐ and 6‐Azaindoles	0
Platinum‐Catalyzed Isomerization of Cyclopropenes to 1,3‐Dienes	0
Facile Synthesis of Phthalazinone/Isoindolinone Substituted Fluorescence Active Indolo[1,2‐a]quinoxaline Derivatives via ANRORC and Fluorescence Turn Off Sensing of Fe²⁺	0
Hydroamination of Dihapto‐Coordinated Benzene and Diene Complexes of Tungsten: Fundamental Studies and the Synthesis of γ‐Lycorane	0
Cover Picture: (Helv. Chim. Acta 10/2021)	0
Direct Access to Fluorinated Sulfonylhydrazides and Study of Their Reactivity in Thiolation Reaction on Indoles	0
Hydroxamic Acids as PARP‐1 Inhibitors: Molecular Design and Anticancer Activity of Novel Phenanthridinones	0
Understanding the Structure of Protonated Box Ligands: Insights from Spectroscopy and Computational Studies	0
Cover Picture: (Helv. Chim. Acta 9/2023)	0
β‐Silylacrylate as a Multipurpose Reagent in Organic Synthesis	0
Synthesis and Quantitative Analysis of Glycans Conjugated to Gold Nanoparticles	0
Diversity of Structures and Bonding in Alkali Metal Ureaphosphanes	0
Cover Picture: (Helv. Chim. Acta 3/2024)	0
Synthesis, Characterisation, and in vitro Cytotoxic Activity of Dithiocarbamato Glycoconjugate Half‐Sandwich Ruthenium and Osmium Complexes	0
Increasing Olefin Metathesis Activity of Silica‐Supported Molybdenum Imido Adamantylidene Complexes through E Ligand σ‐Donation	0
Advances in Biohybridized Planar Polymer Membranes and Membrane‐Like Matrices	0
A Short and Versatile Approach for the Synthesis of Pyrrolizidinones	0
	0
	0
Cover Picture: (Helv. Chim. Acta 8/2022)	0
Gabriel Schäfer	0
Norhygrine Alkaloid and Its Derivatives: Synthetic Approaches and Applications to the Natural Products Synthesis	0
Optimizing Phosphate Couplings for Dolichyl Diphosphochitobiose to Enable Protein N‐Glycosylation Studies	0
Cover Picture: (Helv. Chim. Acta 11/2023)	0
Murielle F. Delley	0
	0
Cover Picture: (Helv. Chim. Acta 3/2022)	0
Generation of Cyclopentadiene for Diels–Alder Reactions by Visible‐Light Irradiation of Iron Sandwich Complexes	0
Synthesis of Helical and Planar Extended‐Phenanthridinium Salts	0
Strategies for Direct, Transition Metal‐Free Addition of Nitrogen Synthons to Alkenes	0
Lewis Acid‐Mediated Ring Contraction of 2,4‐Diaryl‐2,3‐dihydro‐1H‐1,5‐benzodiazepines: Access to 2‐Aryl‐1‐styrylbenzimidazoles	0
Sensitized Lanthanide Photoluminescence Based Sensors–a Review	0
A Chiral Propeller‐Shaped Triple Helicene Shows Multi‐Resonant Thermally Activated Delayed Fluorescence	0
Amoxicillin Concentrations in Samples of Musculoskeletal Infections	0
Preparation of 3‐Bromo‐1,2,4,5‐tetrazine	0
Synthesis and Reactions of Trifluoromethyl‐Substituted 1,3,5‐Triazines	0
Beginning of Second Mandate as Editors‐in‐Chief for Helvetica Chimica Acta	0
Compound Specific Radiocarbon (¹⁴C) Dating of Our Colorful Past: from Theory to Practice	0