OOIR: Observatory of International Research

Papers

(The H4-Index of Journal of Natural Products is 27. 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 2021-06-01 to 2025-06-01.)

Article	Citations
Drymariamides A–J, Antiadipogenic Cyclopeptides Incorporating Noncanonical Amino Acids from Drymaria cordata	275
Platanosides, a Potential Botanical Drug Combination, Decrease Liver Injury Caused by Acetaminophen Overdose in Mice	100
(±)-Polysiphenol and Other Analogues via Symmetrical Intermolecular Dimerizations: A Synthetic, Spectroscopic, Structural, and Computational Study	53
Discovery of Chalcone Derivatives as Bifunctional Molecules with Anti-SARS-CoV-2 and Anti-inflammatory Activities	48
Proteomic Changes in Methicillin-Resistant Staphylococcus aureus Exposed to Cannabinoids	42
Peniandranoids A–E: Meroterpenoids with Antiviral and Immunosuppressive Activity from a Penicillium sp.	39
Issue Publication Information	38
Modified Podophyllotoxin Phenoxyacetamide Phenylacetate Derivatives: Tubulin/AKT1 Dual-Targeting and Potential Anticancer Agents for Human NSCLC	36
Probing the Cytotoxic Signaling Induced by Eupenifeldin in Ovarian Cancer Models	35
Efficient Production of Flavonoid Glucuronides in Escherichia coli Using Flavonoid O-Glucuronosyltransferases Characterized from Marchantia polymorpha	34
Biochemical and Structural Studies of the Carminomycin 4-O-Methyltransferase DnrK	34
Discovery and Heterologous Expression of Functional 4-O-Dimethylallyl-l-tyrosine Synthases from Lichen-Forming Fungi	31
Discovery of an Unexpected 1,4-Oxazepine-Linked seco-Fluostatin Heterodimer by Inactivation of the Oxidoreductase-Encoding Gene flsP	31
Aspulvins A–H, Aspulvinone Analogues with SARS-CoV-2 M^pro Inhibitory and Anti-inflammatory Activities from an Endophytic Cladosporium sp.	31
Palladium-Catalyzed Direct Synthesis and Insecticidal Activity of Arylmatrine Derivatives	30
The Significance of Hypervariability and Conserved Motifs in Antimicrobial Peptides from Tree Frogs	30
Discovery and Biosynthesis of Glycosylated Cycloheximide from a Millipede-Associated Actinomycete	29
Reconsideration of the Structures of Stemara-13(14)-en-18-ol and Related Diterpene Natural Products: Vinylic Hydrogen Chemical Shifts Are Key	29
Isolation and Biological Activity of 9-epiTetrodotoxin and Isolation of Tb-242B, Possible Biosynthetic Shunt Products of Tetrodotoxin from Pufferfish	29
Correction to “The Berkeleylactones, Antibiotic Macrolides from Fungal Coculture”	28
Enigmazole C: A Cytotoxic Macrocyclic Lactone and Its Ring-Opened Derivatives from a New Species of Homophymia Sponge	28
Zelkovamycins F and G, Cyclopeptides with Cα-Methyl-threonine Residues, from an Endophytic Kitasatospora sp.	28
Cytochalasin Derivatives from the Endozoic Curvularia verruculosa CS-129, a Fungus Isolated from the Deep-Sea Squat Lobster Shinkaia crosnieri Living in the Cold Seep Environment	27
Phenylhydrazone Alkaloids from the Deep-Sea Cold Seep Derived Fungus Talaromyces amestolkiae HDN21-0307	27
A Very Deep Graph Convolutional Network for¹³C NMR Chemical Shift Calculations with Density Functional Theory Level Performance for Structure Assignment	27

Ouhanamide, an Antiparasitic Linear Lipopeptide from a Marine Okeania sp. Cyanobacterium	27
Glenthmycins A–M: Macrocyclic Spirotetronate Polyketide Antibacterials from the Australian Pasture Plant-Derived Streptomyces sp. CMB-PB041	27