OOIR: Observatory of International Research

Papers

(The H4-Index of Natural Product Reports is 40. 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 2022-06-01 to 2026-06-01.)

Article	Citations
Recent advances in the synthesis of insect pheromones: an overview from 2013 to 2022	211
Ryanodane diterpenes: occurrence, structural diversity, bioactivities, and synthesis	209
Harnessing microbial co-culture to increase the production of known secondary metabolites	160
The molecular complexity of terpene biosynthesis in red algae: current state and future perspectives	148
Syntheses of furan natural products	112
Privileged natural product compound classes for anti-inflammatory drug development	103
Contents list	99
Estimating the extent of adulteration of the popular herbs black cohosh, echinacea, elder berry, ginkgo, and turmeric – its challenges and limitations	84
Inside front cover	78
Discovery, bioactivity and biosynthesis of fungal piperazines	70
Medicinal plant resin natural products: structural diversity and biological activities	69
Purine nucleoside antibiotics: recent synthetic advances harnessing chemistry and biology	66
Streptomyces cell-free systems for natural product discovery and engineering	65
Recent advances in the total synthesis of galantamine, a natural medicine for Alzheimer's disease	62
Unusually cyclized triterpenoids: occurrence, biosynthesis and chemical synthesis	60
The pearl jubilee of microcin J25: thirty years of research on an exceptional lasso peptide	60
Introduction to engineering the biosynthesis of fungal natural products	60
Front cover	55
Photo-/electro-chemical catalysis: a promising toolkit for late-stage functionalization of alkene-containing natural products	55
Inside front cover	53
Contents list	53
Chemistry, bioactivity, biosynthesis, and total synthesis of stemmadenine alkaloids	53
Natural nematicidal metabolites and advances in their biocontrol capacity on plant parasitic nematodes	51
Toward a unified pipeline for natural product discovery: tools and strategies for NRPS and PKS pathway exploration and engineering	49
Maleidride biosynthesis – construction of dimeric anhydrides – more than just heads or tails	49

Enzymatic ester bond formation strategies in fungal macrolide skeletons	48
Recent advances in the biosynthetic studies of bacterial organoarsenic natural products	48
Prenylated bacterial natural products: occurrence, chemical diversity, biosynthesis and bioactivity	46
Marine indole alkaloid diversity and bioactivity. What do we know and what are we missing?	45
Marine natural products	45
Charting the path for l -tyrosine derivatives: from engineering strategies to microbial cell factories	44
Highlights of cyanobacterial metabolites reported between 2021–2024	44
Back cover	43
Contents list	43
Streptomyces as a versatile host platform for heterologous production of microbial natural products	43
Front cover	43
Contents list	42
Inside front cover	42
Inside front cover	42
Synthetic-bioinformatic natural product-inspired peptides	40
Editorial: Microbial host and metabolic engineering for natural product discovery and production	40