Biosynthesis of α-pyrones [PDF]
Beilstein Journal of Organic Chemistry, 2016 The α-pyrone moiety is a structural feature found in a huge variety of biologically active metabolites. In recent times new insights into additional biosynthetic mechanisms, yielding in such six-membered unsaturated ester ring residues have been obtained.
Till F Schäberle
exaly +5 more sources
Natural Dibenzo-α-Pyrones and Their Bioactivities [PDF]
Molecules, 2014 Natural dibenzo-α-pyrones are an important group of metabolites derived from fungi, mycobionts, plants and animal feces. They exhibit a variety of biological activities such as toxicity on human and animals, phytotoxicity as well as cytotoxic ...
Ziling Mao, Wenxian Sun, Daowan Lai
exaly +4 more sources
An Overview of α-Pyrones as Phytotoxins Produced by Plant Pathogen Fungi [PDF]
MoleculesCrop diseases negatively affect the quality and quantity of agricultural products, with significant economic and social consequences. These problems become emergencies in a world where the safe production of food for human health is becoming increasingly
Antonio Evidente
doaj +4 more sources
Pd/C-Catalyzed Intramolecular C–H Arylation for the Synthesis of Phenanthridinones and Dibenzo-α-pyrones [PDF]
SynOpen, 2017 Pd/C was found to be an efficient and convenient metal catalyst for intramolecular C–H arylation reactions in the synthesis of phenanthridinones and dibenzo-α-pyrones. A variety of phenanthridinones and dibenzo-α-pyrones were synthesized under the highly
Lingyu Zhao +4 more
doaj +2 more sources
Emission solvatochromic, solid-state and aggregation-induced emissive α-pyrones and emission-tuneable 1H-pyridines by Michael addition–cyclocondensation sequences [PDF]
Beilstein Journal of Organic Chemistry, 2019 Starting from substituted alkynones, α-pyrones and/or 1H-pyridines were generated in a Michael addition–cyclocondensation with ethyl cyanoacetate. The peculiar product formation depends on the reaction conditions as well as on the electronic substitution
Natascha Breuer +3 more
doaj +2 more sources
Selected α-pyrones from the plants Cryptocarya novoguineensis (Lauraceae) and Piper methysticum (Piperaceae) with activity against Haemonchus contortus in vitro [PDF]
International Journal for Parasitology: Drugs and Drug Resistance, 2019 Due to the widespread occurrence and spread of anthelmintic resistance, there is a need to develop new drugs against resistant parasitic nematodes of livestock animals.
H.M.P. Dilrukshi Herath +12 more
doaj +2 more sources
Two New Bioactive α-Pyrones from Hypericum japonicum [PDF]
Molecules, 2016 Hypericum japonicum (Guttiferae), a type of annual or perennial herb, has been historically applied to cure infectious hepatitis, acute and chronic hepatitis, gastrointestinal disorder, and internal hemorrhage.
Linzhen Hu +7 more
doaj +2 more sources
Saccharomonopyrones A–C, New α-Pyrones from a Marine Sediment-Derived Bacterium Saccharomonospora sp. CNQ-490 [PDF]
Marine Drugs, 2017 Intensive study of the organic extract of the marine-derived bacterium Saccharomonospora sp. CNQ-490 has yielded three new α-pyrones, saccharomonopyrones A–C (1–3).
Chae-Yoon Yim +12 more
doaj +2 more sources
Akanthopyrones A–D, α-Pyrones Bearing a 4-O-Methyl-β-d-glucopyranose Moiety from the Spider-Associated Ascomycete Akanthomyces novoguineensis [PDF]
Molecules, 2017 Hypocrealean fungi have proved to be prolific bioactive metabolite producers; they have caught the attention of mycologists throughout the world. However, only a few studies on the insect and spider parasitic genus Akanthomyces have so far been carried ...
Wilawan Kuephadungphan +6 more
doaj +2 more sources
Natural Dibenzo-α-Pyrones: Friends or Foes? [PDF]
Int J Mol Sci, 2021 Aichinger G.
europepmc +3 more sources