OOIR: Observatory of International Research

Papers

(The H4-Index of Journal of Natural Products 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 2022-08-01 to 2026-08-01.)

Article	Citations
Issue Publication Information	113
Reconsideration of the Structures of Stemara-13(14)-en-18-ol and Related Diterpene Natural Products: Vinylic Hydrogen Chemical Shifts Are Key	87
The Significance of Hypervariability and Conserved Motifs in Antimicrobial Peptides from Tree Frogs	77
Palladium-Catalyzed Direct Synthesis and Insecticidal Activity of Arylmatrine Derivatives	52
Proteomic Changes in Methicillin-Resistant Staphylococcus aureus Exposed to Cannabinoids	45
Ouhanamide, an Antiparasitic Linear Lipopeptide from a Marine Okeania sp. Cyanobacterium	43
Biochemical and Structural Studies of the Carminomycin 4-O-Methyltransferase DnrK	36
Triquinane Sesquiterpene Glycosides from the Basidiomycete Antrodiella zonata	34
Phenylhydrazone Alkaloids from the Deep-Sea Cold Seep Derived Fungus Talaromyces amestolkiae HDN21-0307	33
Discovery and Biosynthesis of Glycosylated Cycloheximide from a Millipede-Associated Actinomycete	33
Discovery and Heterologous Expression of Functional 4- O -Dimethylallyl- l -tyrosine Synthases from Li	32
Efficient Production of Flavonoid Glucuronides in Escherichia coli Using Flavonoid O-Glucuronosyltransferases Characterized from Marchantia polymorpha	30
Chemistry of Herbarumin I, Stagonolide A, and Structurally Related Phytotoxic Ten-Membered Lactones: Oxidative Cleavage, Stereospecific Epoxidation, Transannulation, and Dimerization	30
Drymariamides A–J, Antiadipogenic Cyclopeptides Incorporating Noncanonical Amino Acids from Drymaria cordata	28
Bacterial Espresso: Evaluating Accelerated Solvent Extraction for Selected Metabolite Recovery from Streptomyces Biomass	28
Bioactive Cyclodepsipeptides from Cocultured Mangrove-Derived Aspergillus sp. and Penicillium sp.	28
Cytotoxic Irciniastatin Analogs and a New Thiazole Lipid from Sarcotragus spinosulus	28
Unusual Diterpenoids from the South China Sea Soft Coral Sarcophyton ehrenbergi	27
Discovery of Chalcone Derivatives as Bifunctional Molecules with Anti-SARS-CoV-2 and Anti-inflammatory Activities	26
Isolation and Biological Activity of 9-epiTetrodotoxin and Isolation of Tb-242B, Possible Biosynthetic Shunt Products of Tetrodotoxin from Pufferfish	26
Anthracaurisin A─Discovery of a Cytotoxic Nor -Sesquiterpene Dimer from Patagonian Anthracophyllum discolor	26
Veraguamide E, a Marine Cyanobacterial Depsipeptide Targeting σ ₂ R/TMEM97: Chemical and Neurobiological Characterization	26
Modified Podophyllotoxin Phenoxyacetamide Phenylacetate Derivatives: Tubulin/AKT1 Dual-Targeting and Potential Anticancer Agents for Human NSCLC	26
(±)-Polysiphenol and Other Analogues via Symmetrical Intermolecular Dimerizations: A Synthetic, Spectroscopic, Structural, and Computational Study	26
Insights into the Biosynthesis of Kibdelomycin and Amycolamicin from Comparative Biosynthetic Gene Cluster Analysis and Precursor Incorporation Studies	25

Peniandranoids A–E: Meroterpenoids with Antiviral and Immunosuppressive Activity from a Penicillium sp.	25
Probing the Cytotoxic Signaling Induced by Eupenifeldin in Ovarian Cancer Models	25