OOIR: Observatory of International Research

Papers

(The H4-Index of Organic Chemistry Frontiers is 39. 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 2021-05-01 to 2025-05-01.)

Article	Citations
Pd-Free synthesis of dithienothiophene-based oligoaryls for effective hole-transporting materials by optimized Cu-catalyzed annulation and direct C–H arylation	115
Iminophosphorane in perylenediimide chemistry: Staudinger reaction and a visible-light-driven competitive reaction of the Cadogan cyclization	86
Copper-catalyzed alkynyldisulfuration of arynes: efficient access to unsymmetrical disulfides	80
Photoredox-catalyzed intramolecular oxy- and aminoacylation of alkenes with acyl oxime esters: facile synthesis of acylated saturated heterocycles	79
Modular dehydrogenative cross-nucleophile coupling for direct construction of tetrasubstituted carbons	73
Hierarchical amplification of chirality in anion-coordinated tetrahedral cages	70
Enantioselective total syntheses of (−)-mitragynine, (−)-quinine and (+)-quinidine enabled by Ir-catalysed asymmetric hydrogenation of all-carbon tetrasubstituted cycloalkenes	66
A photo-driven traceless group directed electron–donor–acceptor (EDA) complex initiated radical coupling/dehydrogenation tandem reaction: access to 1-allyl/benzyl-3,4-dihydroisoquinoline	65
Regio- and stereo-selective synthesis of β-phenylthio enamidesviaintramolecular 1,2-thiol migration	64
Cyclocondensation reactions of racemic diastereomers of dimethyl-2-oxocyclohexanepropionic acids with (R)-phenylglycinol: access to both enantiomers of dimethylcis-decahydroquinolines	61
Photoredox catalyzed hydroazolylation of alkenes via phosphoranyl radicals	59
Electrochemical oxidative cyclization of alkenes, boronic acids, and dichalcogenides to access chalcogenated boronic esters and 1,3-diols	58
Organocatalytic asymmetric [3 + 3] annulations of 3-carboxamide oxindoles with β,γ-unsaturated α-keto esters: facile access to chiral spiro-δ-lactam oxindoles	57
Bis(pentafluorophenyl)borane-catalyzed E-selective isomerization of terminal alkenes to internal alkenes	55
Bond energy enabled amine distinguishing strategy: chemo-, regioselective 1,3-diamination of (trifluoromethyl)alkenes with different amines by two C(sp³)–F bond cleavages	53
Catalytic asymmetric synthesis of 3,4′-indole–pyrazole derivatives featuring axially chiral bis-pentatomic heteroaryls	49
Synthesis of spirocyclopropylpyrazole derivatives via the cascade reaction of alkylidenecyclopropanes with pyrazolidinones and trifluoroethanol	49
Direct synthesis of gold(iii)-annulated perylene diimides via multiple C–H aurations	48
Frustrated behavior of Lewis/Brønsted pairs inside molecular cages	48
Reductive activation of arenes by potassium metal with potassium salts	48
Sequence-sorted redox-switchable hetero[3]rotaxanes	46
Synthesis of morpholino nucleosides starting from enantiopure glycidol	46
Copper-mediated three-component synthesis of 2-trifluoromethyl benzimidazoles	45
Photocatalytic redox-neutral arylation of cyclopropanols with cyanoarenes via radical-mediated C–C and C–CN bond cleavage	45
Fused-ring molecules based on B ← N and imide units with low energy levels	45

Copper-catalyzed synthesis of cyclopropyl bis(boronates) from aryl olefins and carbon monoxide	44
Front cover	44
N-heterocyclic carbene-catalyzed decarboxylative cross-electrophile coupling to access sterically hindered ketones	43
Bromide-catalyzed oxo-amination of alkenes towards the synthesis of α-amine ketones under photoelectrocatalysis conditions	43
Back cover	42
Boron-catalyzed α-C–H fluorination of aryl acetic acids	42
Modular construction of sulfinimidate esters: expanding chemical space and enabling late-stage diversification	42
Electrochemical benzylic C–H arylation of xanthenes and thioxanthenes without a catalyst and oxidant	42
Synthesis of a cross-chain bridging cryptand	41
A de novo synthesis of the bisindole alkaloid geissolosimine: collective synthesis of geissoschizoline, akuammicine, (16S)-deshydroxymethylstemmadenine and Aspidospermatan alkaloi	40
A visible light-mediated deoxygenation protocol for the synthesis of dipeptides, amides and esters without racemization	40
Inside front cover	40
“Thiol-free synthesized” and sustainable thiolating synthons for nickel-catalyzed reductive assembly of sulfides with high efficiency	39
Synthesis of the cyclic heptapeptide core of callipeltin A	39
Gold(i)-catalyzed diastereo- and enantioselective [4 + 3] cycloadditions: construction of functionalized furano-benzoxepins	39
Inside front cover	39