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 2022-05-01 to 2026-05-01.)

Article	Citations
Ascomycotols A–C: Rare Sulfur/Sulfone-Containing Scaffolds from Mushroom Endophytes with Dual Anti-inflammatory and Antirenal Fibrosis Effects	100
Copper-Catalyzed Coupling of N-Acyl-N′-Substituted Hydrazines with (Hetero)aryl Chlorides/Bromides	93
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	93
Fluoranthene-Containing Distorted Nanographenes Exhibiting Two-Photon Absorption Response	87
Issue Editorial Masthead	82
Issue Editorial Masthead	80
Issue Publication Information	79
Issue Publication Information	74
Issue Publication Information	72
Issue Editorial Masthead	71
Issue Publication Information	69
Issue Editorial Masthead	66
New Approach to Assembling Nucleic Acid Dendrons on a Solid Phase	65
Palladium-Catalyzed Domino Conversion of Aryl–Thianthreniums with Anhydrides: Rapidly Building Highly Functionalized Fluorenones	65
Systematic Route to Construct the 5–5–6 Tricyclic Core of Furanobutenolide-Derived Cembranoids and Norcembranoids	65
Enantioselective Cobalt-Catalyzed Remote Hydroboration of Alkenylboronates	65
Cobalt-Catalyzed Asymmetric 1,4-Reduction of α,β-Unsaturated Nitriles with HBpin	64
Rh-Catalyzed Carbonylative Cyclization of Propargylic Alcohols with Aryl Boronic Acids	64
Visible-Light-Induced Selective α-Fluoroarylation of Secondary N-Alkyl Anilines with Polyfluoroarenes via Direct C–H/C–F Coupling	64
Hydrazone Activation in the Aminocatalytic Cascade Reaction for the Synthesis of Tetrahydroindolizines	64
Biocatalytically Generated Library of Chiral Building Blocks Containing a Quaternary Stereocenter	63
Ru(II)-Catalyzed Divergent C–H Annulations of Propargyl Cyclic Carbonates	62
Biocatalytic Enantioselective Oxidation of N -Acyl- S -Methyl Sulfenamides for the Asymmetric Synthesis of	60
Palladium-Catalyzed Synthesis of Esters from Arenes through C–H Thianthrenation	59
Biomimetic Total Synthesis of Clavicipitic Acid: A DDQ-Mediated Intramolecular Cross-Dehydrogenative Coupling Approach	58

Total Synthesis of (+)-Leucolusine and (−)-7-epi-Leucolusine	58
Conia-Ene Cyclization of Pyrazolones with o -Alkynyl Aldehydes: A Strategic Shift from Classical Condensation to Spiroannulation	57
Isolation and Bioinspired Total Synthesis of Rugosiformisin A, A Skeleton-Rearranged Abietane-Type Diterpenoid from Isodon rugosiformis	57
Discovery, Characterization, and Anti-XOD Activity of Calcium Metallophore from Coix lacryma-jobi	57
Issue Publication Information	57
Total Synthesis of Daphenylline via Diels–Alder Cycloaddition and Rhodium-Catalyzed C–H Alkynylation	56
Photocatalytic Strecker-Type Reaction for the Synthesis of Primary α-Aminonitriles	56
Visible-Light-Induced Photocatalytic Deoxygenative Benzylation of Quinoxalin-2-(1H)-ones with Carboxylic Acid Anhydrides	56
Strain-Release Glycosylation of Thio- and Selenoglycosides Enabled by Activation of Donor–Acceptor Oxiranes with Catalytic TfOH	55
Iridium-Catalyzed Double Asymmetric Hydrogenation of 2,5-Dialkylienecyclopentanones for the Synthesis of Chiral Cyclopentanones	55
Sequential One-Pot Transformation to R–CF₂-Embedded 1,5-Diketones Enabled by Nickel: Access to 4-Perfluoroalkylpyridines	54
Nickel-Catalyzed Regioselective Markovnikov Hydrosilylation of Vinylarenes via Hydrogen Atom Transfer	54
Selective C–H Iodination of Weinreb Amides and Benzamides through Iridium Catalysis in Solution and under Mechanochemical Conditions	54
Nickel-Catalyzed Deaminative Allenylation of Amino Acid Derivatives: Catalytic Activity Enhanced by an Amide-Type NN₂ Pincer Ligand	53
Enantioselective Annulation of α,β-Unsaturated N-Acyliminium Ions with β-Keto Ester Enolates via Cooperative Palladium and Brønsted Acid Catalysis	53
Synthesis of a Phosphate-Bridged Photoaffinity Labeling Probe via Transesterification of Phenols and Alcohols	52
Boron-Catalyzed Michael Reaction of Donor–Acceptor Carboxylic Acid Pairs Enabling Direct Synthesis of 1,5-Dicarboxylic Acids	52
Cobalt-Catalyzed Intramolecular [4 + 2] Cycloaddition of Cyclopropyl-Capped Dienes with Alkynes/Alkenes/Allene and Reaction Mechanism	51
A Tsuji–Trost Reaction Using Free Carbenes as Nucleophiles: Palladium-Catalyzed Photoinduced Coupling of Acylsilanes with Allylic Alcohol Derivatives	51
A Sterically Tuned 2-Fluoropyridinium Salt for the Catalyst-Free, Visible-Light-Mediated Deoxygenation of Alcohols via an Electron Donor–Acceptor Complex	51
Synthesis of Tertiary Amines through Extrusive Alkylation of Carbamates	51
Protecting-Group Free Total Synthesis of β-Levantenolide through Late Stage Bromo-Spirocyclization	51
My Discovery of Science	50
Manipulating Crystal Packing and Self-Assembly by π-Extended and Isomeric Fused Strategies in Thiophene Ring-Terminated Polycyclic Aromatic Hydrocarbons	50
Synthesis of γ-Butyrolactones with Chiral Quaternary–Tertiary Stereocenters via Catalytic Asymmetric Mukaiyama–Michael Addition	50
Diphenylsilylsilanolates Enable the Transfer of a Wide Range of Silyl Groups	50
Sequential Strategies to Trigger Mild Dearomative Diels–Alder Cyclizations	50