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 2020-11-01 to 2024-11-01.)

Article	Citations
Acyl Radicals from α-Keto Acids: Metal-Free Visible-Light-Promoted Acylation of Heterocycles	111
Fully Bridged Triphenylamine Derivatives as Color-Tunable Thermally Activated Delayed Fluorescence Emitters	93
Circularly Polarized Luminescence Designed from Molecular Orbitals: A Figure-Eight-Shaped [5]Helicene Dimer with D₂ Symmetry	87
Self-Catalyzed Phototandem Perfluoroalkylation/Cyclization of Unactivated Alkenes: Synthesis of Perfluoroalkyl-Substituted Quinazolinones	82
The Domino Chromone Annulation and a Transient Halogenation-Mediated C–H Alkenylation toward 3-Vinyl Chromones	76
Enantioselective Synthesis of Five-Membered-Ring Atropisomers with a Chiral Rh(III) Complex	73
Electrochemical Trifluoromethylthiolation and Spirocyclization of Alkynes with AgSCF₃: Access to SCF₃-Containing Spiro[5,5]trienones	68
Copper-Catalyzed Regioselective 1,4-Selenosulfonylation of 1,3-Enynes to Access Cyanoalkylsulfonylated Allenes	68
Visible-Light-Induced Radical Difluoromethylation/Cyclization of Unactivated Alkenes: Access to CF₂H-Substituted Quinazolinones	67
Photoredox/Hydrogen Atom Transfer Cocatalyzed C–H Difluoroallylation of Amides, Ethers, and Alkyl Aldehydes	66
Ruthenium(II)-Catalyzed C–C/C–N Coupling of 2-Arylquinazolinones with Vinylene Carbonate: Access to Fused Quinazolinones	65
Rh(III)-Catalyzed Chemodivergent Annulations between Indoles and Iodonium Carbenes: A Rapid Access to Tricyclic and Tetracyclic N-Heterocylces	64
Synthesis of (E)-Quinoxalinone Oximes through a Multicomponent Reaction under Mild Conditions	64
Photoinduced Ligand-to-Metal Charge Transfer (LMCT) of Fe Alkoxide Enabled C–C Bond Cleavage and Amination of Unstrained Cyclic Alcohols	63
Asymmetric Synthesis of Silicon-Stereogenic Monohydrosilanes by Dehydrogenative C–H Silylation	63
Iron-Catalyzed C–C Single-Bond Cleavage of Alcohols	63
Decatungstate as Direct Hydrogen Atom Transfer Photocatalyst for SOMOphilic Alkynylation	63
DMSO as a C₁ Source for [2 + 2 + 1] Pyrazole Ring Construction via Metal-Free Annulation with Enaminones and Hydrazines	62
Divergent Synthesis of Aziridine and Imidazolidine Frameworks under Blue LED Irradiation	61
Catalytic Enantioselective Synthesis of Difluoromethylated Tetrasubstituted Stereocenters in Isoindolones Enabled by a Multiple-Fluorine System	60
Organoelectrophotocatalytic C–H Silylation of Heteroarenes	59
Sulfonylation of Aryl Halides by Visible Light/Copper Catalysis	59
Pd-Catalyzed Triple-Fold C(sp²)–H Activation with Enaminones and Alkenes for Pyrrole Synthesis via Hydrogen Evolution	58
Pd-Catalyzed Enantioselective Tandem C–C Bond Activation/Cacchi Reaction between Cyclobutanones and o-Ethynylanilines	58
Radical Relay Trichloromethylacylation of Alkenes through N-Heterocyclic Carbene Catalysis	58

Carbene-Catalyzed Atroposelective Annulation and Desymmetrization of Urazoles	58
Preparation of Thiazole-2-thiones through TBPB-Promoted Oxidative Cascade Cyclization of Enaminones with Elemental Sulfur	57
Photochemical (Hetero-)Arylation of Aryl Sulfonium Salts	56
Electrochemical Radical Selenylation of Alkenes and Arenes via Se–Se Bond Activation	56
Oxime Ether Synthesis through O–H Functionalization of Oximes with Diazo Esters under Blue LED Irradiation	55
Ligand-Controlled, Palladium-Catalyzed Asymmetric [4+4] and [2+4] Cycloadditions	54
Defluorinative Alkylation of Trifluoromethylbenzimidazoles Enabled by Spin-Center Shift: A Synergistic Photocatalysis/Thiol Catalysis Process with CO₂^•–	54
Access to 5,6-Spirocycles Bearing Three Contiguous Stereocenters via Pd-Catalyzed Stereoselective [4 + 2] Cycloaddition of Azadienes	54
Photoredox-Catalyzed α-Sulfonylation of Ketones from Sulfur Dioxide and Thianthrenium Salts	54
Chemoselective Hydrogenation of Nitroarenes Using an Air-Stable Base-Metal Catalyst	54
Selective Catalytic Synthesis of α-Alkylated Ketones and β-Disubstituted Ketones via Acceptorless Dehydrogenative Cross-Coupling of Alcohols	54
Photocatalytic Decarboxylative [2 + 2 + m] Cyclization of 1,7-Enynes Mediated by Tricyclohexylphosphine and Potassium Iodide	53
Reductive Arylation of Aliphatic and Aromatic Aldehydes with Cyanoarenes by Electrolysis for the Synthesis of Alcohols	53
Multicomponent Synthesis of Biologically Relevant S-Aryl Dithiocarbamates Using Diaryliodonium Salts	52
Pd/Cu-Catalyzed C–H/C–H Cross Coupling of (Hetero)Arenes with Azoles through Arylsulfonium Intermediates	52
Nickel-Catalyzed Guerbet Type Reaction: C-Alkylation of Secondary Alcohols via Double (de)Hydrogenation	52
Nickel-Catalyzed Decarboxylative Cross-Coupling of Bicyclo[1.1.1]pentyl Radicals Enabled by Electron Donor–Acceptor Complex Photoactivation	52
Cu/Pd-Catalyzed cis-Borylfluoroallylation of Alkynes for the Synthesis of Boryl-Substituted Monofluoroalkenes	51
Asymmetric Synthesis of N–N Axially Chiral Compounds by Phase-Transfer-Catalyzed Alkylations	51
Palladium-Catalyzed Enantioselective 7-exo-Trig Carbopalladation/Carbonylation: Cascade Reactions To Achieve Atropisomeric Dibenzo[b,d]azepin-6-ones	51
Cu(I)-Catalyzed Asymmetric Arylation of Pyrroles with Diaryliodonium Salts toward the Synthesis of N–N Atropisomers	51
Iron-Catalyzed Photoinduced Remote C(sp³)–H Amination of Free Alcohols	51
Asymmetric Photocatalytic C(sp³)–H Bond Addition to α-Substituted Acrylates	51
N-Heterocyclic Carbene/Magnesium Cocatalyzed Radical Relay Assembly of Aliphatic Keto Nitriles	50
Additive-Controlled Divergent Synthesis of Tetrasubstituted 1,3-Enynes and Alkynylated 3H-Pyrrolo[1,2-a]indol-3-ones via Rhodium Catalysis	50
Perovskite as Recyclable Photocatalyst for Annulation Reaction of N-Sulfonyl Ketimines	50
Visible-Light-Catalyzed Tandem Radical Addition/1,5-Hydrogen Atom Transfer/Cyclization of 2-Alkynylarylethers with Sulfonyl Chlorides	50