OOIR: Observatory of International Research

Papers

(The H4-Index of European Journal of Organic Chemistry is 31. 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 2022-06-01 to 2026-06-01.)

Article	Citations
Copper‐Catalyzed Constructions of 4‐(2‐Arylhydrazono) isochroman‐3‐imines from 4‐Diazoisochroman‐3‐imines and Arylboronic Acids	130
Alkynylation of C(sp³)H Bonds via 1,4‐Palladium Migration	125
The meta and para OH Substitution Effect on C‐Phenyl‐Nitrilimine Bond‐Shift Isomers	79
One‐Pot Double Cyclizations Involving an Aza‐Prins Process	73
Synthesis of Diarylamines and Methylcarbazoles and Formal Total Synthesis of Alkaloids Ellipticine and Olivacine	68
Study of the Mechanism of 7‐exo‐trig Cyclizations of Aryl, Vinyl, and Alkyl Radicals on Oxime Ethers	67
Density Functional Theory Study on Visible‐Light‐Driven Photocatalytic Carboxylation of Alkenes with CO ₂	65
Electrochemical Rearrangement of Indoles to Spirooxindoles in Continuous Flow	57
Metal‐Free and Visible Light‐Induced Difunctionalizations of α‐CF₃ Styrenes with Aryl Diazonium Salts and Hetero Nucleophiles	56
Stereoselective Synthesis of γ‐(Acyloxy)carboxylic Acids and γ‐Lactones Featuring the Switch of Stereopreference of Candida antarctica Lipase B in Sodium γ‐Hydroxycarboxylate Homologues	50
p‐Anisil as a Versatile Catalyst for the E‐to‐Z Photoisomerization of Activated Alkenes ‐ Application in Late‐Stage Modification of Small Molecule Drugs, Di‐ and Tripeptides	50
Front Cover: 2‐Formyl‐5‐(hydroxymethyl)furan (HMF) Derivatives as Active Complexing Agent for CO₂ Insertion Reaction (Eur. J. Org. Chem. 26/2025)	48
[5+1] Annulation of aza‐o‐Quinone Methides with Primary Amines: Construction of 3,4‐Dihydroquinazolin‐2(1H)‐One Derivatives	47
Co‐Catalyzed Peroxidation of Cyclic β‐Dicarbonyls	45
Front Cover: Asymmetrically Fused Nanographene‐Porphyrin Architectures (Eur. J. Org. Chem. 2/2025)	45
Reactivity of Indolylmethylacetates with N, O, and S Soft Nucleophiles: Evidence of 2‐Alkylideneindolenines and 3‐Alkylideneindoleninium Generation by ESI‐MS and IRMPD Spectroscopy	44
Synthesis of Diazo Compounds by Using NaN₃ and Inexpensive SO₂F₂	43
	40
Cover Feature: Design and Synthesis of a Sialic Acid‐Derived Tracer for ¹⁸F‐PET Multiple Sclerosis Imaging (Eur. J. Org. Chem. 9/2025)	39
Synthesis and Properties of the Perfluoroethyl Martin Silicate: Reactivity in Solution and Solid‐State Mechanochemistry	39
A Concise Ring Closing Enyne Metathesis Approach for the Preparation of Functionalized Proline‐Derived Azabicycloalkane Amino Acids	36
Front Cover: Green Light‐Responsive D‐π‐A‐π‐D Quinoxaline Emitters for Luminescent Solar Concentrators: Potential Integration in Agrivoltaic Systems (Eur. J. Org. Chem. 24/2024)	36
Facilitating the Isolation of Polar Natural Products: Mild 1,1′‐Carbonyldiimidazole‐Enabled Method for Derivatization of Acids and Alcohols	35
Structural Determination and Characterization of Electronic Properties of Photosilylated Derivatives of C₇₀	35
Pyramidalization at the sp²‐Hybridized ipso‐Carbon Atom of Phenyl Compounds	34

Dehydrogenative Photoredox Catalyzed Synthesis of Indolyl Δ²‐Isoxazolines via a Formal C(sp³)−H Functionalization	33
Asymmetric S‐Michael Reaction: Synthesis of CF₂H−Containing S‐Ether Compounds through Isosteric Replacement	32
PHOTOCAT24: The Best of the First Edition	32
	32
Tandem Friedel‐Crafts Alkylation/Lactonization for γ‐Lactone	32
	31
	31
DES‐Type Interactions To Promote Solvent‐Free and Metal‐Free Reactions between Nitrogen‐Containing Heterocycles and Allylic Alcohols	31