OOIR: Observatory of International Research

Papers

(The H4-Index of Organic Letters is 53. 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 2020-03-01 to 2024-03-01.)

Article	Citations
Heterologous Biosynthesis of the Sterol O-Acyltransferase Inhibitor Helvamide Unveils an α-Ketoglutarate-Dependent Cross-Linking Oxygenase	909576501
Tridentate Sulfoxide-N-olefin Hybrid Ligands in Rhodium-Catalyzed Asymmetric Allylic Substitution	889795337
Kinetic Resolution of Sulfoximines via Asymmetric Organocatalyzed Formation of Benzothiadiazine-1-oxides	842543667
Arylthianthrenium Salts as the Aryl Sources: Visible Light/Copper Catalysis-Enabled Intermolecular Azidosulfonylation of Alkenes	809120313
BI-OAc-Accelerated C3–H Alkylation of Quinoxalin-2(1H)-ones under Visible-Light Irradiation	100
Hidden Boron Catalysis: Nucleophile-Promoted Decomposition of HBpin	100
Arenesulfonyl Fluoride Synthesis via Copper-Catalyzed Fluorosulfonylation of Arenediazonium Salts	97
Acyl Radicals from α-Keto Acids: Metal-Free Visible-Light-Promoted Acylation of Heterocycles	95
Concise Synthesis of Isocoumarins through Rh-Catalyzed Direct Vinylene Annulation: Scope and Mechanistic Insight	87
Oxidative C–H/C–H Annulation of Imidazopyridines and Indazoles through Rhodium-Catalyzed Vinylene Transfer	85
Site-Selective C–H Functionalization–Sulfination Sequence to Access Aryl Sulfonamides	83
N-Heterocyclic Carbene-Catalyzed Radical Relay Enabling Synthesis of δ-Ketocarbonyls	78
Copper-free Sandmeyer-type Reaction for the Synthesis of Sulfonyl Fluorides	77
SuFEx Activation with Ca(NTf₂)₂: A Unified Strategy to Access Sulfamides, Sulfamates, and Sulfonamides from S(VI) Fluorides	75
Fully Bridged Triphenylamine Derivatives as Color-Tunable Thermally Activated Delayed Fluorescence Emitters	75
Electrochemical Annulation–Iodosulfonylation of 1,5-Enyne-containing para-Quinone Methides (p-QMs) to Access (E)-Spiroindenes	74
Alternating Current Electrolysis for Organic Electrosynthesis: Trifluoromethylation of (Hetero)arenes	73
Iodonium Ylides as Carbene Precursors in Rh(III)-Catalyzed C–H Activation	72
A Need for Caution in the Preparation and Application of Synthetically Versatile Aryl Diazonium Tetrafluoroborate Salts	69
Functionalization of Pyridinium Derivatives with 1,4-Dihydropyridines Enabled by Photoinduced Charge Transfer	69
Circularly Polarized Luminescence Designed from Molecular Orbitals: A Figure-Eight-Shaped [5]Helicene Dimer with D₂ Symmetry	68
Co(III)-Catalyzed Annulative Vinylene Transfer via C–H Activation: Three-Step Total Synthesis of 8-Oxopseudopalmatine and Oxopalmatine	68
Self-Catalyzed Phototandem Perfluoroalkylation/Cyclization of Unactivated Alkenes: Synthesis of Perfluoroalkyl-Substituted Quinazolinones	67
Cross-Dehydrogenative Coupling of Strong C(sp³)–H with N-Heteroarenes through Visible-Light-Induced Energy Transfer	67
Copper-Catalyzed C–H Fluorination/Functionalization Sequence Enabling Benzylic C–H Cross Coupling with Diverse Nucleophiles	67

Visible-Light-Mediated β-C–H gem-Difluoroallylation of Aldehydes and Cyclic Ketones through C–F Bond Cleavage of 1-Trifluoromethyl Alkenes	67
Enantioselective Synthesis of Five-Membered-Ring Atropisomers with a Chiral Rh(III) Complex	67
Twisted Bodipy Derivative as a Heavy-Atom-Free Triplet Photosensitizer Showing Strong Absorption of Yellow Light, Intersystem Crossing, and a High-Energy Long-Lived Triplet State	66
Asymmetric (4 + 3) and (4 + 1) Annulations of Isatin-derived Morita–Baylis–Hillman Carbonates to Construct Diverse Chiral Heterocyclic Frameworks	65
Organophotoredox-Catalyzed Direct C–H Amination of 2H-Indazoles with Amines	65
Synthesis of (E)-Quinoxalinone Oximes through a Multicomponent Reaction under Mild Conditions	62
The Domino Chromone Annulation and a Transient Halogenation-Mediated C–H Alkenylation toward 3-Vinyl Chromones	61
Electrochemical Radical–Radical Cross-Coupling Approach between Sodium Sulfinates and 2H-Indazoles to 3-Sulfonylated 2H-Indazoles	60
Copper-Catalyzed Regioselective 1,4-Selenosulfonylation of 1,3-Enynes to Access Cyanoalkylsulfonylated Allenes	60
Rh-Catalyzed C–H Amination/Annulation of Acrylic Acids and Anthranils by Using −COOH as a Deciduous Directing Group: An Access to Diverse Quinolines	59
Visible-Light-Enabled Paternò–Büchi Reaction via Triplet Energy Transfer for the Synthesis of Oxetanes	59
Ag-Catalyzed Oxidative ipso-Cyclization via Decarboxylative Acylation/Alkylation: Access to 3-Acyl/Alkyl-spiro[4.5]trienones	59
Dearomative Cycloadditions Utilizing an Organic Photosensitizer: An Alternative to Iridium Catalysis	58
Selective Synthesis of Pyrazolo[1,2-a]pyrazolones and 2-Acylindoles via Rh(III)-Catalyzed Tunable Redox-Neutral Coupling of 1-Phenylpyrazolidinones with Alkynyl Cyclobutanols	58
Electrochemical Trifluoromethylthiolation and Spirocyclization of Alkynes with AgSCF₃: Access to SCF₃-Containing Spiro[5,5]trienones	58
Triphenylphosphine-Catalyzed Alkylative Iododecarboxylation with Lithium Iodide under Visible Light	57
Asymmetric Synthesis of Silicon-Stereogenic Monohydrosilanes by Dehydrogenative C–H Silylation	57
Ruthenium(II)-Catalyzed C–C/C–N Coupling of 2-Arylquinazolinones with Vinylene Carbonate: Access to Fused Quinazolinones	56
Rh(III)-Catalyzed Chemodivergent Annulations between Indoles and Iodonium Carbenes: A Rapid Access to Tricyclic and Tetracyclic N-Heterocylces	56
Photoredox/Hydrogen Atom Transfer Cocatalyzed C–H Difluoroallylation of Amides, Ethers, and Alkyl Aldehydes	56
Nickel-Catalyzed Asymmetric Reductive Arylbenzylation of Unactivated Alkenes	56
Catalytic Enantioselective Synthesis of Difluoromethylated Tetrasubstituted Stereocenters in Isoindolones Enabled by a Multiple-Fluorine System	55
Pd-Catalyzed Enantioselective Tandem C–C Bond Activation/Cacchi Reaction between Cyclobutanones and o-Ethynylanilines	54
Transamidation for the Synthesis of Primary Amides at Room Temperature	54
Palladium-Catalyzed Disilylation and Digermanylation of Alkene Tethered Aryl Halides: Direct Access to Versatile Silylated and Germanylated Heterocycles	54
Decarboxylative and Deaminative Alkylation of Difluoroenoxysilanes via Photoredox Catalysis: A General Method for Site-Selective Synthesis of Difluoroalkylated Alkanes	54
Stereodivergent Synthesis of α-Quaternary Serine and Cysteine Derivatives Containing Two Contiguous Stereogenic Centers via Synergistic Cu/Ir Catalysis	53
Iodine-Mediated Electrochemical C(sp²)–H Amination: Switchable Synthesis of Indolines and Indoles	53
Synthesis of Thiazoles and Isothiazoles via Three-Component Reaction of Enaminoesters, Sulfur, and Bromodifluoroacetamides/Esters	53
Divergent Synthesis of Aziridine and Imidazolidine Frameworks under Blue LED Irradiation	53
Decatungstate as Direct Hydrogen Atom Transfer Photocatalyst for SOMOphilic Alkynylation	53
Methanol as the Hydrogen Source in the Selective Transfer Hydrogenation of Alkynes Enabled by a Manganese Pincer Complex	53
Radical Relay Trichloromethylacylation of Alkenes through N-Heterocyclic Carbene Catalysis	53
Germylation of Arenes via Pd(I) Dimer Enabled Sulfonium Salt Functionalization	53