Results 51 to 60 of about 169 (88)
Pyran Rings Containing Polyketides from Penicillium raistrickii
Marine Drugs, 2016 Five new pyran rings containing polyketides, penicipyrans A–E (1–5), together with the known pestapyrone A (6), were isolated from the saline soil-derived Penicillium raistrickii. Their structures were determined by interpretation of NMR and HRESIMS data.
Li-Ying Ma +6 more
doaj +1 more source
Push–Pull Ynamines and Push–Pull Ynamides: Synthesis, Structure, Reactivity, and Application
European Journal of Organic Chemistry, Volume 29, Issue 19, 22 May 2026.Push–pull ynamines and push–pull ynamides, which carry an EWG and an amino or amido group as EDG, are highly interesting classes of EDG‐EWG alkynes that have been intensively studied due to their exceptional reactivity. In this review, the synthesis, structure, reactivity, and application of push–pull ynamines, push–pull ynecarbamates, push–pull ...
Hans‐Joachim Gais
wiley +1 more source
Recent Approaches for the Synthesis of Pyridine and Quinoline Cores Present in Natural Products
Advanced Synthesis &Catalysis, Volume 368, Issue 10, 19 May 2026.An anthology of the most recent methods used to synthesize pyridines and quinolines found in natural products over the last decade. Pyridines, quinolines, and their derivatives represent a class of significant heterocyclic compounds that are prevalent in a multitude of natural products, including alkaloids found in plants, fungi, insects, marine ...
Carl Bowman +2 more
wiley +1 more source
Eight new α-pyrone and γ-butenolide derivatives from the plant endophytic fungus Diaporthe sp. CCY4
Natural Products and BioprospectingFive new α-pyrones, diaporpyrones G-K (1–5) and three new γ-butenolide derivatives, porbutenolides A-C (6–8), along with seven known compounds (9–15), were isolated from the culture extract of the endophytic fungus Diaporthe sp. CCY4.
Jie-Chun Zeng +4 more
doaj +1 more source
Natural Products and Bioprospecting, 2017 Tamoxifen resistance (TamR) is the underlying cause of treatment failure in many breast cancer patients receiving tamoxifen. In order to look for noncytotoxic natural products with the ability to reverse TamR, an extract from strain Streptomyces sp.
Rui-Min Yang +8 more
doaj +1 more source
Arzanol: A Review of Chemical Properties and Biological Activities
PlantsArzanol, a prenylated phloroglucinol–α-pyrone heterodimer, displays a broad range of pharmacological properties. This review compiles findings from 2007 to 2025 on its chemistry, conformational behavior, bioactivities, molecular targets, and ...
Yulian Voynikov
doaj +1 more source
Marine Drugs, 2014 Two new α-pyrone derivatives, violapyrones H (1) and I (2), along with known violapyrones B (3) and C (4) were isolated from the fermentation broth of a marine actinomycete Streptomyces sp.
Hee Jae Shin +8 more
doaj +1 more source
Arzanol, a Potent mPGES-1 Inhibitor: Novel Anti-Inflammatory Agent
The Scientific World Journal, 2013 Arzanol is a novel phloroglucinol α-pyrone, isolated from a Mediterranean plant Helichrysum italicum (Roth) Don ssp. microphyllum which belongs to the family Asteraceae.
Pankaj S. Kothavade +3 more
doaj +1 more source
Molecules, 2016 Fungal endophytes have attracted attention due to their functional diversity. Secondary metabolites produced by Pestalotiopsis sydowiana from a halophyte, Phragmites communis Trinus, were investigated.
Xuekui Xia +3 more
doaj +1 more source
PLoS ONE, 2019 The gut microbiota of insects is composed of a wide range of microorganisms which produce bioactive compounds that protect their host from pathogenic attack.
Yesenia Correa +10 more
doaj +1 more source