OOIR: Observatory of International Research

Papers

(The H4-Index of Organic Chemistry Frontiers is 42. 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 2021-08-01 to 2025-08-01.)

Article	Citations
Alkali-amide controlled selective synthesis of 7-azaindole and 7-azaindoline through domino reactions of 2-fluoro-3-methylpyridine and aldehydes	124
Dinuclear zinc catalyzed asymmetric [3 + 2] spiroannulation for the synthesis of diverse bispirocyclic saccharines	88
N-Heterocyclic carbene catalyzed base assisted C–C bond cleavage of cyclopropenones: an approach towards diastereoselective synthesis of azetidinones and benzoxazepines	86
A nickel-catalyzed carbon–sulfur cross-coupling reaction with disulfides enabled by mechanochemistry	85
4,7-Diarylbenzo[c][1,2,5]thiadiazoles as fluorophores and visible light organophotocatalysts	77
Pd-Free synthesis of dithienothiophene-based oligoaryls for effective hole-transporting materials by optimized Cu-catalyzed annulation and direct C–H arylation	75
Copper-mediated three-component synthesis of 2-trifluoromethyl benzimidazoles	73
A visible light-mediated deoxygenation protocol for the synthesis of dipeptides, amides and esters without racemization	71
Bond energy enabled amine distinguishing strategy: chemo-, regioselective 1,3-diamination of (trifluoromethyl)alkenes with different amines by two C(sp³)–F bond cleavages	71
Syntheses of 3H-1,2,4-triazol-3-ones by copper-promoted oxidative N–N bond formation of amidines with isocyanates	69
CPL-tunable BN-embedded supramolecular macrocycles	65
Organocatalytic asymmetric [3 + 3] annulations of 3-carboxamide oxindoles with β,γ-unsaturated α-keto esters: facile access to chiral spiro-δ-lactam oxindoles	64
Boron-catalyzed α-C–H fluorination of aryl acetic acids	63
Hierarchical amplification of chirality in anion-coordinated tetrahedral cages	61
Metal-free meta-halogenation of cyclic diaryliodonium salts via aryne intermediates	58
Bromide-catalyzed oxo-amination of alkenes towards the synthesis of α-amine ketones under photoelectrocatalysis conditions	57
Direct synthesis of gold(iii)-annulated perylene diimides via multiple C–H aurations	53
Iridium-catalyzed highly enantioselective and chemodivergent coupling reaction of vinyl azides and vinyl benzoxazinones	50
Paired electrochemical C–H bromination of (hetero)arenes with 2-bromoethan-1-ol	50
Enantioselective total syntheses of (−)-mitragynine, (−)-quinine and (+)-quinidine enabled by Ir-catalysed asymmetric hydrogenation of all-carbon tetrasubstituted cycloalkenes	49
Copper-catalyzed synthesis of cyclopropyl bis(boronates) from aryl olefins and carbon monoxide	49
An efficient platform for decarboxylative functionalization of carboxylic acids using sulfuryl fluoride: Pd-catalyzed decarboxylative dehydrogenation of alkanecarboxylic acids and decarboxylative cros	49
Cyclocondensation reactions of racemic diastereomers of dimethyl-2-oxocyclohexanepropionic acids with (R)-phenylglycinol: access to both enantiomers of dimethylcis-decahydroquinolines	49
Reductive activation of arenes by potassium metal with potassium salts	49
Iminophosphorane in perylenediimide chemistry: Staudinger reaction and a visible-light-driven competitive reaction of the Cadogan cyclization	49

Carboxylation of C(sp²)–H bonds in quinolone derivatives with CO₂: facile synthesis of quinolone carboxylic acids	49
Electrochemical oxidative cyclization of alkenes, boronic acids, and dichalcogenides to access chalcogenated boronic esters and 1,3-diols	48
Visible-light-promoted desulfonylative radical difluoroalkylation between difluoroenol silyl ethers and difluoroalkyl sulfones to construct functionalized aryltetrafluoroethane derivatives	48
N-heterocyclic carbene-catalyzed decarboxylative cross-electrophile coupling to access sterically hindered ketones	48
Modular dehydrogenative cross-nucleophile coupling for direct construction of tetrasubstituted carbons	48
Synthesis of morpholino nucleosides starting from enantiopure glycidol	47
Synthesis of the cyclic heptapeptide core of callipeltin A	46
Supramolecular chiroptical sensing by achiral AIE-active thiols	45
Fused-ring molecules based on B ← N and imide units with low energy levels	45
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