OOIR: Observatory of International Research

Papers

(The H4-Index of Organic Letters is 50. 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 2022-01-01 to 2026-01-01.)

Article	Citations
Visible-Light-Promoted Selenylative Radical Cyclization of 2-Vinyl-N-Aryl Imines to 3H-Indoles via Oxygen Photosensitization	95
Ascomycotols A–C: Rare Sulfur/Sulfone-Containing Scaffolds from Mushroom Endophytes with Dual Anti-inflammatory and Antirenal Fibrosis Effects	91
Deciphering Regulatory Proteins of Prenylated Protein via the FRET Technique Using Nitroso-Based Ene-Ligation and Sequential Azidation and Click Reaction	85
Weak-Chelation Assisted Cobalt-Catalyzed C–H Bond Activation: An Approach Toward Regioselective Ethynylation of N-Aryl γ-Lactam	84
Organocalcium-Complex-Catalyzed Dehydrogenative Silylation and Mono/Dihydrosilylation Tandem Reactions of Terminal Alkynes	80
Isolation and Bioinspired Total Synthesis of Rugosiformisin A, A Skeleton-Rearranged Abietane-Type Diterpenoid from Isodon rugosiformis	80
Nickel/SKP-Catalyzed Markovnikov Regio- and Enantioselective Hydroamination of Vinylarenes with Hydroxylamines	79
Selective C–H Iodination of Weinreb Amides and Benzamides through Iridium Catalysis in Solution and under Mechanochemical Conditions	78
Enantioselective Annulation of α,β-Unsaturated N-Acyliminium Ions with β-Keto Ester Enolates via Cooperative Palladium and Brønsted Acid Catalysis	75
Deprotonative Generation and Trapping of Haloaryllithium in a Batch Reactor	74
Asymmetric Synthesis of β-Aminoboronates via Copper-Catalyzed Reductive Coupling of Vinyl Boronates with Imines	71
Photoredox-Catalyzed Synthesis of β-Amino Alcohols: Hydroxymethylation of Imines with α-Silyl Ether as Hydroxymethyl Radical Precursor	70
Visible-Light-Induced Difunctionalization of 3-Butenoic Acid with Bromodifluoromethyl Heteroarylsulfones	69
Intramolecular Friedel–Crafts Reactions of Sulfamoyl Fluorides, Fluorosulfates, and Sulfuramidimidoyl Fluorides	67
Nickel-Catalyzed Deaminative Allenylation of Amino Acid Derivatives: Catalytic Activity Enhanced by an Amide-Type NN₂ Pincer Ligand	66
Syntheses and Properties of Hole-Transporting Biindenofluorenes	64
On-DNA Deoxygenative C(sp ² )–C(sp ³ ) Coupling Facilitated by Surfactant–DNA (Surf-DNA) Workflow	64
Palladium-Catalyzed Asymmetric (3 + 2) Cycloaddition of 5-Allenyloxazolidine-2,4-Diones with Barbiturate-Derived Alkenes: Synthesis of Spirobarbiturate-γ-Lactams	63
Palladium-Catalyzed Double ipso-Defluoroetherification of Allylic gem-Difluorides with Phenols or Alcohols	61
Boron-Catalyzed Michael Reaction of Donor–Acceptor Carboxylic Acid Pairs Enabling Direct Synthesis of 1,5-Dicarboxylic Acids	61
Photochemical “Cut and Sew” Transformations of Ethynylbenziodoxolone Reagents and Diazo Compounds	61
Iridium-Catalyzed Regio- and Enantioselective C7-Allylic Alkylation of 4-Aminoindoles	60
Synthesis of a Phosphate-Bridged Photoaffinity Labeling Probe via Transesterification of Phenols and Alcohols	60
Domino Semipinacol/Iterative Aldol/Iso-Nazarov Cyclization to Triaryl-cyclopentenone: Enantioselective Synthesis of Combretastatin A-4 Analogues	59
Cobalt-Catalyzed Intramolecular [4 + 2] Cycloaddition of Cyclopropyl-Capped Dienes with Alkynes/Alkenes/Allene and Reaction Mechanism	59

Copper-Catalyzed Chan–Lam Reaction and Sequential Oxidative Fischer Indole Synthesis to Prepare Indole Derivatives	59
Synthesis of Tertiary Amines through Extrusive Alkylation of Carbamates	58
Asymmetric Synthesis of Chiral Aza-macrodiolides via Iridium-Catalyzed Cascade Allylation/Macrolactonization	58
Synthesis of the Tetracyclic Core of the Daphlongeranines	58
Lewis Acid-Catalyzed Annulations of Geminally Disubstituted Cyclopropanes with Aldehydes or 1,3,5-Triazinanes	57
A Tsuji–Trost Reaction Using Free Carbenes as Nucleophiles: Palladium-Catalyzed Photoinduced Coupling of Acylsilanes with Allylic Alcohol Derivatives	57
Base Metal-Controlled Chemodivergent Cyclization of Propargylamines for the Atom-Economic Synthesis of Nitrogen Heterocycles	56
Pd-Catalyzed Asymmetric Allylic Substitution Cascade of Substituted 4-Hydroxy-2H-pyrones with meso-Allyl Dicarbonates	56
Hydrophilic Azide-Containing Amino Acid to Enhance the Solubility of Peptides for SPAAC Reactions	56
Diversity-Oriented Synthesis of ERα Modulators via Mitsunobu Macrocyclization	55
Copper-Catalyzed Coupling of N-Acyl-N′-Substituted Hydrazines with (Hetero)aryl Chlorides/Bromides	55
Enantioselective Organocatalytic Conjugate Addition of Malonates to β,β-Disubstituted β-Trifluoromethyl Enones under High Pressure	55
Conformationally Fluxional Pseudo-C₂ Symmetric Decaphyrins (1.0.0.0.0.1.0.0.0.0) with Multiple m-Phenylene Subunits and Their Cyclic Bis-BODIPYs	55
Photocatalyzed Aerobic Cross-Dehydrogenative Coupling of Diarylphosphine Oxides with Alcohols and Phenols	55
Ligand-Controlled Diastereodivergency in Propargylic Alkylation of Vinylogous Aza-Enamines: Construction of 1,3-Stereocenters	55
Enantioselective Total Synthesis of (+)-Lucidumone via Organocatalytic Double Michael Addition	55
Palladium-Catalyzed Synthesis of Amino β-Lactones Using Aryl Amines and Alkenyl Carboxylic Acids	53
Issue Editorial Masthead	53
Fluoranthene-Containing Distorted Nanographenes Exhibiting Two-Photon Absorption Response	53
Issue Editorial Masthead	52
Issue Publication Information	52
Issue Editorial Masthead	51
Issue Editorial Masthead	51
Issue Publication Information	51
Issue Publication Information	51
Ni-Catalyzed Reductive Coupling of Acetals with Anhydrides and Vinyl Triflates via Single-Electron C–O Activation	50
Issue Publication Information	50
Ruthenium(II)-Catalyzed C–H Activation/Annulation of 5-Phenyl-pyrroline-2-carboxylates with Alkynes: Synthesis of 2,3-Diphenylspiro-[indene-1,2′pyrrolidine]carboxylate Derivatives	50
Issue Editorial Masthead	50
New Approach to Assembling Nucleic Acid Dendrons on a Solid Phase	50
Vitamin B₁₂ and Micellar Solution Enable Regioselective Ring Opening of Epoxides and Aziridines with Electrophilic Olefins	50