OOIR: Observatory of International Research

Papers

(The TQCC of Topics in Current Chemistry is 25. 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 2022-01-01 to 2026-01-01.)

Article	Citations
Enantioselective Allylic C–H Bond Oxidation of Olefins Using Copper Complexes of Chiral Oxazoline Based Ligands	250
Solar-Driven Photocatalytic Films: Synthesis Approaches, Factors Affecting Environmental Activity, and Characterization Features	89
Covalent and Non-covalent Functionalized Nanomaterials for Environmental Restoration	88
Sonochemical Protocols for Heterocyclic Synthesis: A Representative Review	79
Multicomponent Reactions Using C,N-Binucleophilic Nature of Aminopyrazoles: Construction of Pyrazole-Fused Heterocycles	64
Plasmonic Hybrid Nanostructures in Photocatalysis: Structures, Mechanisms, and Applications	51
Palladium N-Heterocyclic Carbene-Catalyzed Aminations: An Outline	50
Construction of 1,4-Dihydropyridines: The Evolution of C4 Source	48
Bioorthogonal Chemistry in Cellular Organelles	46
Photo-activatable Reagents for Bioorthogonal Ligation Reactions	46
Correction to: Covalent and Non-covalent Functionalized Nanomaterials for Environmental Restoration	45
Recent Progress in Fragmentation of Katritzky Salts Enabling Formation of C–C, C–B, and C–S Bonds	44
Recent Advances in Bioorthogonal Ligation and Bioconjugation	39
Recent Advances in Semiconductor Heterojunctions and Z-Schemes for Photocatalytic Hydrogen Generation	39
Strategies Toward the Catalyst-Free α-C–H Functionalizations of Tertiary Amines	38
Vision on Synthetic and Medicinal Facets of 1,2,4-Triazolo[3,4-b][1,3,4]thiadiazine Scaffold	34
Total RNA Synthesis and its Covalent Labeling Innovation	34
Promising Nitrogen-Doped Graphene Derivatives; A Case Study for Preparations, Fabrication Mechanisms, and Applications in Perovskite Solar Cells	32
Methods for Direct Reductive N-Methylation of Nitro Compounds	31
Photocatalytic Reforming of Biomass: What Role Will the Technology Play in Future Energy Systems	30
Bioorthogonal Reactions in Bioimaging	29
Synthetic Approaches, Biological Activities, and Structure–Activity Relationship of Pyrazolines and Related Derivatives	27
Progress of Metal Nanomaterial Controllable Preparation by Photoreduction	25
Proton Conductive Lanthanide-Based Metal–Organic Frameworks: Synthesis Strategies, Structural Features, and Recent Progress	25
Metal-Free Catalysis in C–C Single-Bond Cleavage: Achievements and Prospects	25