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
Discovery and Biosynthesis of Glycosylated Cycloheximide from a Millipede-Associated Actinomycete	33
Phenylhydrazone Alkaloids from the Deep-Sea Cold Seep Derived Fungus Talaromyces amestolkiae HDN21-0307	33
Discovery and Heterologous Expression of Functional 4- O -Dimethylallyl- l -tyrosine Synthases from Li	32
Chemistry of Herbarumin I, Stagonolide A, and Structurally Related Phytotoxic Ten-Membered Lactones: Oxidative Cleavage, Stereospecific Epoxidation, Transannulation, and Dimerization	30
Efficient Production of Flavonoid Glucuronides in Escherichia coli Using Flavonoid O-Glucuronosyltransferases Characterized from Marchantia polymorpha	30
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
Drymariamides A–J, Antiadipogenic Cyclopeptides Incorporating Noncanonical Amino Acids from Drymaria cordata	28
Unusual Diterpenoids from the South China Sea Soft Coral Sarcophyton ehrenbergi	27
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
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
Probing the Cytotoxic Signaling Induced by Eupenifeldin in Ovarian Cancer Models	25

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