OOIR: Observatory of International Research

Papers

(The H4-Index of European Journal of Organic Chemistry is 32. 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 2022-05-01 to 2026-05-01.)

Article	Citations
Copper‐Catalyzed Constructions of 4‐(2‐Arylhydrazono) isochroman‐3‐imines from 4‐Diazoisochroman‐3‐imines and Arylboronic Acids	129
Alkynylation of C(sp³)H Bonds via 1,4‐Palladium Migration	123
The meta and para OH Substitution Effect on C‐Phenyl‐Nitrilimine Bond‐Shift Isomers	99
One‐Pot Double Cyclizations Involving an Aza‐Prins Process	77
Synthesis of [1,2,3]Triazolo[1,5‐a]quinoline‐3‐carboxamides Promoted by Organocatalyst and Base	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
Regioselective Ring‐Opening of Epoxide and N‐Tosylaziridine with 4‐Hydroxydithiocoumarin: Key Precursors for 2,3‐Dihydro‐1,4‐oxathiin and 2,3‐Dihydro‐1,4‐thiazine Derivatives	65
Density Functional Theory Study on Visible‐Light‐Driven Photocatalytic Carboxylation of Alkenes with CO ₂	63
Electrochemical Rearrangement of Indoles to Spirooxindoles in Continuous Flow	56
Metal‐Free and Visible Light‐Induced Difunctionalizations of α‐CF₃ Styrenes with Aryl Diazonium Salts and Hetero Nucleophiles	54
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
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	49
Front Cover: 2‐Formyl‐5‐(hydroxymethyl)furan (HMF) Derivatives as Active Complexing Agent for CO₂ Insertion Reaction (Eur. J. Org. Chem. 26/2025)	48
Front Cover: Asymmetrically Fused Nanographene‐Porphyrin Architectures (Eur. J. Org. Chem. 2/2025)	45
[5+1] Annulation of aza‐o‐Quinone Methides with Primary Amines: Construction of 3,4‐Dihydroquinazolin‐2(1H)‐One Derivatives	45
Co‐Catalyzed Peroxidation of Cyclic β‐Dicarbonyls	43
Reactivity of Indolylmethylacetates with N, O, and S Soft Nucleophiles: Evidence of 2‐Alkylideneindolenines and 3‐Alkylideneindoleninium Generation by ESI‐MS and IRMPD Spectroscopy	42
Synthesis of Diazo Compounds by Using NaN₃ and Inexpensive SO₂F₂	41
One‐Pot Synthesis of N‐Benzyl/Allyl‐N‐phenyl‐2‐benzothiazolamines from 1‐(2‐Iodophenyl)‐3‐phenylthioureas and Benzyl/Allyl Halides	40
	39
Synthesis and Properties of the Perfluoroethyl Martin Silicate: Reactivity in Solution and Solid‐State Mechanochemistry	38
Direct Synthesis of N‐Alkyl‐2‐Pyridones Using 2‐Halogenated Pyridines	37
Cover Feature: Design and Synthesis of a Sialic Acid‐Derived Tracer for ¹⁸F‐PET Multiple Sclerosis Imaging (Eur. J. Org. Chem. 9/2025)	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)	35

A Concise Ring Closing Enyne Metathesis Approach for the Preparation of Functionalized Proline‐Derived Azabicycloalkane Amino Acids	35
Facilitating the Isolation of Polar Natural Products: Mild 1,1′‐Carbonyldiimidazole‐Enabled Method for Derivatization of Acids and Alcohols	34
Structural Determination and Characterization of Electronic Properties of Photosilylated Derivatives of C₇₀	34
Pyramidalization at the sp²‐Hybridized ipso‐Carbon Atom of Phenyl Compounds	34
PHOTOCAT24: The Best of the First Edition	32
Tandem Friedel‐Crafts Alkylation/Lactonization for γ‐Lactone	32
Dehydrogenative Photoredox Catalyzed Synthesis of Indolyl Δ²‐Isoxazolines via a Formal C(sp³)−H Functionalization	32