OOIR: Observatory of International Research

Papers

(The H4-Index of Organic & Biomolecular Chemistry is 38. 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
Multi-purpose thiocyanate protic ionic liquids in chemodivergent transformations of imidazolidin-2-(thi)one-based diols	88
Cu₂O-mediated regio- and stereoselective one-pot synthesis of (Z)-3-ylidenephthalides from 2-iodobenzoic acids and terminal alkynes	73
Back cover	72
Combining synthetic biology with synthetic electrochemistry to expand the chemical space of the indolocarbazole family	70
Visible light-promoted C3–H alkoxycarbonylation of quinoxalin-2(1H)-ones or coumarins with alkyloxalyl chlorides	66
Total synthesis, stereochemical assignment, and biological evaluation of opantimycin A and analogues thereof	65
Advances in the synthesis of rearranged homoisoflavonoids	63
Transition metal-free one-pot tandem chemoselective reduction and cyclization of 3/5-(2-nitrophenyl)-1H-pyrazoles using sodium dithionite	60
Visible light-mediated synthesis of quinazolinones and benzothiadiazine-1,1-dioxides utilizing aliphatic alcohols	60
N-Functionalized fluorophores: detecting urinary albumin and imaging lipid droplets	55
Aggregation induced emission and volatile acid vapour sensing in acridine appended poly (aryl ether) based low molecular weight organogelator	52
Genome mining and heterologous expression reveal streptacidin, a new lasso peptide from Streptacidiphilus jiangxiensis	51
An efficient direct electrolysis method for the synthesis of 1,1,1,3,3,3-hexafluoroisopropyxy substituted imidazo[1,2-a]pyridines	50
Regioselective conjugate addition of isoxazol-5-ones to ethenesulfonyl fluoride	49
Metal-free oxidative formal C(sp²)–H arylation of cyclopentene-1,3-diones with β-naphthols	49
Oxidative decarboxylative ammonium hypoiodite-catalysed dihydrobenzofuran synthesis	48
Light-induced ligand-to-metal charge transfer of Fe(iii)-OR species in organic synthesis	48
Synthesis of imidazolocoumarins by the amide-directed oxidative cyclisation of enol-Ugi derivatives	48
α-Alkylation of ketones with primary alcohols by an active non-noble metal Cu/CuOx catalyst	47
Fluorescent α-amino acids via Heck–Matsuda reactions of phenylalanine-derived arenediazonium salts	46
Practical synthesis of unsymmetrical disulfides promoted by bromodimethylsulfonium bromide	46
Direct formylation of phenols using difluorocarbene as a safe CO surrogate	45
Mechanochemical arylative detrifluoromethylation of trifluoromethylarenes	44
Mechanochemical deprotection of t-butoxycarbonyl (Boc) group using basic alumina	44
BiCl₃ catalyzed synthesis of 2-amino-1,4-naphthoquinones and 1,4-naphthoquinon-2-sulfides and one-pot sequential amine-arylation of 1,4-naphthoquinone	44

A substrate-induced dual utilization cascade reaction of N-alkyl anilines: highly site-selective sustainable synthesis of chromeno[4,3-b]quinolin-6-ones	44
Complementary strategies for synthesis of sulfinamides from sulfur-based feedstock	44
C–H activation-initiated spiroannulation reactions and their applications in the synthesis of spirocyclic compounds	43
Sequential regioselective arylation of pyrazolones with diaryliodonium salts	43
Direct C–H functionalisation of azoles via Minisci reactions	41
Photochemistry of 2-(2-formylphenyloxy)acetic acid derivatives: synthesis of hydroxychromanones and benzofuranones	40
Recent advances in Ugi reaction and its post-transformation strategies for crafting diverse indole frameworks	40
A mitochondria-targeted colorimetric and NIR ratiometric fluorescent probe for biothiols with large Stokes shift based on thiol–chromene click reaction	40
Recent applications of Cyrene as a chiral synthon	40
Contents list	39
Microwave-assisted palladium catalysed C–H acylation with aldehydes: synthesis and diversification of 3-acylthiophenes	39
A novel synthetic method for backbone-cyclized polypeptide POL7080 with the help of hydrophobic-support materials	39
A mild one-pot transformation of nitroalkanes to ketones or aldehydes via a visible-light photocatalysis–hydrolysis sequence	39
An electron donor–acceptor complex-initiated C–H trifluoromethylation and perfluoroalkylation of enamides and quinoxalinones	38
Design, synthesis and evaluation of antiproliferative effects of ferritin-targeted degraders	38
The boron effect on radical difluoromethylation of N-sulfonyl cyclic ketimines	38
Light-driven reductive cyclization catalyzed by vitamin B₁₂-based artificial photoenzymes	38