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 2021-11-01 to 2025-11-01.)

Article	Citations
Dual 1,2-Migration-Enabled β-Boryl Amide Synthesis	91
Total Synthesis of Daphenylline via Diels–Alder Cycloaddition and Rhodium-Catalyzed C–H Alkynylation	85
Visible-Light-Promoted Selenylative Radical Cyclization of 2-Vinyl-N-Aryl Imines to 3H-Indoles via Oxygen Photosensitization	80
Macrocyclization of Unprotected Peptides via Cycloaddition between o-Diones and Furan-2(3H)-one	79
Photoredox Catalytic Approach for Difluoroallylation of Electron-Deficient sp³ C–H Bonds	79
Ascomycotols A–C: Rare Sulfur/Sulfone-Containing Scaffolds from Mushroom Endophytes with Dual Anti-inflammatory and Antirenal Fibrosis Effects	78
Construction of Oxo-Bridged Diazocines via Rhodium-Catalyzed (4+3) Cycloaddition of Carbonyl Ylides with Azoalkenes	78
Boron-Catalyzed Michael Reaction of Donor–Acceptor Carboxylic Acid Pairs Enabling Direct Synthesis of 1,5-Dicarboxylic Acids	76
Photocatalytic Regioselective Alkoxycarbonylation/Cyclization of 3-Aza-1,5-dienes: Access to Ester-Containing Pyrrolin-2-ones	75
Synthesis of a Phosphate-Bridged Photoaffinity Labeling Probe via Transesterification of Phenols and Alcohols	74
Iridium-Catalyzed Regio- and Enantioselective C7-Allylic Alkylation of 4-Aminoindoles	71
Palladium-Catalyzed 1,2-Alkynylarylation of Vinyl Arenes with Haloalkynes and Arylboronic Acids	69
Domino Semipinacol/Iterative Aldol/Iso-Nazarov Cyclization to Triaryl-cyclopentenone: Enantioselective Synthesis of Combretastatin A-4 Analogues	69
Copper-Catalyzed Chan–Lam Reaction and Sequential Oxidative Fischer Indole Synthesis to Prepare Indole Derivatives	67
Cobalt-Catalyzed Intramolecular [4 + 2] Cycloaddition of Cyclopropyl-Capped Dienes with Alkynes/Alkenes/Allene and Reaction Mechanism	66
Cobalt/Rhodium-Catalyzed Diversified Amidation of Benzocyclobutenols via C–C Cleavage under Catalyst and Condition Control	65
Photocatalytic Synthesis of α-Ketonyl Glycosyl Compounds from Glycosyl Thiols and Silyl Enol Ethers	64
AJICAP-M: Traceless Affinity Peptide Mediated Conjugation Technology for Site-Selective Antibody–Drug Conjugate Synthesis	63
Visible-Light-Induced NHC-Catalyzed Carboacylation Reaction of Alkenes from Aryl Thianthrenium Salts and Aldehydes	62
Synthesis of γ-Butyrolactones with Chiral Quaternary–Tertiary Stereocenters via Catalytic Asymmetric Mukaiyama–Michael Addition	61
Gold-Catalyzed C–O Cross-Coupling Reactions of Aryl Iodides with Silver Carboxylates	60
Expanded Access to Fluoroformamidines via a Modular Synthetic Pathway	59
Kinetic Resolution of BINOLs and Biphenols by Atroposelective, Cu–H-Catalyzed Si–O Coupling with Hydrosilanes	59
Intramolecular Appel Reaction of Trifluoromethylated β-Keto Diazos Enabling Assembly of Trifluoromethylpyrazoles	59
Nickel-Catalyzed Photoredox Allenylation of Alkyl Halides	59

Amidophosphine Boranes as Hydroboration Reagents for Nitriles, Alkynes, and Carboxylic Acids	58
Asymmetric Synthesis of Chiral Aza-macrodiolides via Iridium-Catalyzed Cascade Allylation/Macrolactonization	58
Lewis Acid-Catalyzed Annulations of Geminally Disubstituted Cyclopropanes with Aldehydes or 1,3,5-Triazinanes	57
Synthesis of Sulfur-Substituted Bicyclo[1.1.1]pentanes by Iodo-Sulfenylation of [1.1.1]Propellane	57
Diphenylsilylsilanolates Enable the Transfer of a Wide Range of Silyl Groups	56
Light-Induced Activation of C–X Bond via Carbonate-Assisted Anion−π Interactions: Applications to C–P and C–B Bond Formation	56
Synthesis of Tertiary Amines through Extrusive Alkylation of Carbamates	56
A Tsuji–Trost Reaction Using Free Carbenes as Nucleophiles: Palladium-Catalyzed Photoinduced Coupling of Acylsilanes with Allylic Alcohol Derivatives	56
Synergistic [4 + 1] Spiroannulation and Selective Ring-Opening Strategy toward γ-Spirolactams	55
Relay Annulation of Ammonium Ylides with Oxindole-Derived α,β-Unsaturated Ketimines: Catalytic Construction of Spiro-polycyclic Oxindoles	55
Copper-Catalyzed Asymmetric Propargylic [3 + 2] Cycloaddition: Synthesis of Enantioenriched Dihydrofuro[3,2-c]coumarins and its Quinolinone and Thiocoumarin Analogues	55
Synthesis of the Tetracyclic Core of the Daphlongeranines	55
Sequential One-Pot Transformation to R–CF₂-Embedded 1,5-Diketones Enabled by Nickel: Access to 4-Perfluoroalkylpyridines	55
Pd-Catalyzed Asymmetric Allylic Substitution Cascade of Substituted 4-Hydroxy-2H-pyrones with meso-Allyl Dicarbonates	53
Visible-Light-Induced Three-Component Selenofunctionalization of Alkenes: An Aerobic Selenol Oxidation Approach	53
Access to SCF₃-Substituted Indolizines via a Photocatalytic Late-Stage Functionalization Protocol	53
Synthesis of ortho-Methylated Benzamides via Palladium-Catalyzed Denitrogenative Cross-Coupling Reaction of [1,2,3]-Benzotriazin-4(3H)-ones with DABAL-Me₃	52
Chiral Brønsted Acid Catalyzed Enantioselective Synthesis of Spiro-Isoindolinone-Indolines via Formal [3 + 2] Cycloaddition	52
Aryl Carboxylic Acids as Structure-Tunable HAT Agents for Photochemical Site-Selective C(sp ³ )–H gem	52
Visible-Light-Induced Cascade Cyclization of 3-(2-(Ethynyl)phenyl)quinazolinones to Phosphorylated Quinolino[2,1-b]quinazolinones	52
Photocatalytic Bicyclization of Indole-Tethered 1,6-Enynes for Diastereoselective Synthesis of Pyrrolo[3,2,1-jk]carbazoles	51
Rhodium(III)-Catalyzed Synthesis of Diverse Fluorescent Polycyclic Purinium Salts from 6-Arylpurine Nucleosides and Alkynes	51
Nickel-Catalyzed Domino Reaction of α-Aryloxyacetonitriles with Arylboronic Acids: Synthesis of 2-Aroylbenzo[b]furans	51
Free Amine-Directed Redox Neutral Ruthenium(II) Catalysis toward Regioselective Synthesis of Heterobiaryls	50
Biocatalytic Synthesis of Metaxalone and Its Analogues	50
Biocatalytically Generated Library of Chiral Building Blocks Containing a Quaternary Stereocenter	50
Pd-Catalyzed Asymmetric Intramolecular Dearomatizing Reductive Heck Reaction of Indoles	50