OOIR: Observatory of International Research

Papers

(The H4-Index of Organic Letters is 51. 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 2021-04-01 to 2025-04-01.)

Article	Citations
Issue Publication Information	79
Enantioselective Allylation of Stereogenic Nitrogen Centers	75
Issue Publication Information	75
Carbamoyl Anion Addition to Azirines	74
Issue Publication Information	74
Synthesis of 2-Sulfonyl Carbazoles via Oxidative C–H Functionalization of Tetrahydrocarbazoles with Sulfonyl Hydrazides	71
Alkylazolation of Alkenes via Photocatalytic Radical Polar Crossover	70
Synthesis of Pyrene Diimide Isomers with Tunable Excimer Emission	69
Synthetic Strategy for Unsymmetrical α-Fluoro-α′-aryl Ketones	68
Pd(OAc)₂-Catalyzed Approach to Phenanthridin-6(5H)-one Skeletons	67
One-Step Realization of Skeleton Editing, gem-Dinitromethyl Functionalization, and Zwitterionization in a Laser-Sensitive 1,3,4-Oxadiazole Energetic Molecule	67
Photoinduced Pd-Catalyzed 1,4-Dicarbofunctionalization of 1,3-Butadienes via Aliphatic C–H Bond Elaboration	67
Metal- and Light-Free Decarboxylative Giese Addition Reaction Facilitated by Hantzsch Ester	67
Rapid and Controlled Assembly of Polysubstituted Furans and Their Oligoaryls from Alkynes and Aldehydes Facilitated by Sequential Deprotonation	65
Issue Publication Information	65
Deciphering the δ-Lactam Formation and lron-Reducing Activity of Spinactins from Saccharopolyspora spinosa	65
Asymmetric Construction of a SeCF₃-Substituted Stereocenter by CuH-Catalyzed Hydroboration of 1-SeCF₃-Alkenes	63
Brightening Up Circularly Polarized Luminescence of [6]Helicenes by Fusion with BN-Heterocycles	63
Palladium(II)-Catalyzed Regioselective Hydroamination of Allylamines to N-Alkyl Sulfoximines	63
Relay Catalysis-Enabled Enantioselective Annulations of β,γ-Alkynyl-α-imino Esters with 1,3-Diones for the Divergent Synthesis of Chiral Oxacycles	61
Synthesis of Biaryl Atropisomers via Site-Selective C–H Functionalization	61
Photocatalytic Tandem Ueno–Stork Cyclization/Intermolecular Giese Addition Sequence for Stereoselective Difunctionalization of Allylic Alcohols	61
Synthesis of Methyl Aprabiosaminide and 2-Hydroxyapramycin from Apramycin	61
Enantioselective Cobalt-Catalyzed Remote Hydroboration of Alkenylboronates	60
Oxidations of (2,2′-Diphenyl)ethylidene-Bridged Porphyrin Dimers	60

Two Distinct Diazo–Diazo Cross-Coupling Reactions between α-Aryldiazo Ketones and Vinyldiazo Esters Using Gold Catalyst and Tetrabutylammonium Fluoride	60
Copper-Catalyzed Cycloaddition/Coupling Cascades of Azomethine Imines with Alkynes for Divergent Synthesis of (Z)-Alkenyl and Alkynyl N,N′-Bicyclic Pyrazolidinones	59
The Reactivity of Acceptor-Acceptor Diazo Pyrazolones with Allyl Thioethers under Visible Light: Access to Homoallyl Sulfides, Spiropyrazolones - Pesticide Analogues and Photoflow Synthesis	59
The Synthesis of Sulfonyl Fluoride Functionalized 2-Aminothiazoles Using a Diversity Oriented Clicking Strategy	59
Silver-Catalyzed Markovnikov Addition Hydrofunctionalization of Terminal Alkynes: Synthesis of N-Enoxyimides and Oximes	58
Staudinger Cleavages of Amides on Naphthalene for the Ipsilateral Effect of 1,8-Substituents	57
Stereoretentive Decarboxylative Amidation of α,β-Unsaturated Carboxylic Acids to Access Enamides	57
Aerobic Reconstruction of Amines to Amides: A C–N/C–C Bond Cleavage Approach	57
Photocatalytic Alkene-Migrative Chain Elongation of 2-Phosphinostyrenes with Aldehydes	56
Sequential One-Pot Transformation to R–CF₂-Embedded 1,5-Diketones Enabled by Nickel: Access to 4-Perfluoroalkylpyridines	56
Synthesis of 1-Substituted Bicyclo[2.1.1]hexan-2-ones via a Sequential SmI₂-Mediated Pinacol Coupling and Acid-Catalyzed Pinacol Rearrangement Reaction	56
Palladium-Catalyzed Strain-Enabled [2π + 2σ] Cycloadditions of Vinyl Bicyclo[1.1.0]butanes with Methyleneindolinones	56
Visible Light-Driven Interrupted Barton Reaction: Intermolecular Radical-Relay Sulfonyloximation of Alkenes with DABSO and Alkyl Nitrites	55
Ruthenium-Catalyzed Synthesis of 2-Pyrazolines via Acceptorless Dehydrogenative Coupling of Allylic Alcohols with Hydrazines	55
Visible-Light-Induced NHC-Catalyzed Carboacylation Reaction of Alkenes from Aryl Thianthrenium Salts and Aldehydes	55
Asymmetric Total Synthesis of Eremophilanolide Sesquiterpene Xylareremophil and Its Congeners	54
Optimizing Solid-Phase Protein Synthesis Using CPG-2000 and a Nickel-Cleavable SNAC-tag Linker	54
Issue Publication Information	54
Issue Editorial Masthead	54
Domino Synthesis of Thioindirubin via Aldol Condensation/C–S Cross-Coupling/Cyclization Reaction Using Xanthate as a Sulfur Surrogate	54
Issue Editorial Masthead	52
Regioselective Alkylacylation of 1,3-Dienes by Merging N-Heterocyclic Carbene Catalysis with Photoinduced Palladium Catalysis	52
K₂S₂O₈/I₂-Promoted Electrophilic Selenylative Cyclization To Access Seleno-Benzo[b]azepines	51
Anion Cascade Reactions. Part I: Synthesis of 3-Isoquinuclidones from a Nazarov-like Reagent	51
N-Directed, Radical Relay Enantioconvergent Sulfinylation of Distal C(sp³)–H Bonds via Cobalt Catalysis	51
Enantioselective Access to Tetrahydroxanthones via Copper-bis(oxazoline)-Catalyzed [4 + 2] Cycloaddition	51
C–C Bond Activation of Cyclopropanes Enabled by Phosphine-Catalyzed In Situ Formation of High-Strain Methylenecycopropane Intermediate	51
Transsulfinamidation of Sulfinamides with Amines	51
Selective and Controllable Defluorophosphination and Defluorophosphorylation of Trifluoromethylated Enones: An Auxiliary Function of the Carbonyl Group	51