Results 21 to 30 of about 852 (122)
Sulfur analogs of fluorinated pyrones, chromones and coumarins [PDF]
, 2012 This mini-review describes the synthesis and reactions of sulfur analogs of partially fluorinated pyrones, chromones, coumarins and isocoumarins and their utility as building blocks for the synthesis of trifluoromethyl-containing heterocyclic compounds ...
Sosnovskikh, V. Ya.
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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 +1 more source
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
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Water‐soluble red pigments from Isaria farinosa and structural characterization of the main colored component [PDF]
, 2010 International audienceThe present study describes the red pigment synthesized by the filamentous fungi Isaria farinosa under submerged culture conditions.
Ali +33 more
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Composition, Antioxidant Potential, and Antimicrobial Activity of Helichrysum plicatum DC. Various Extracts [PDF]
, 2020 Helichrysum plicatum DC. is widely used in folk medicine in treating a variety of health disorders. The aim of this study was to examine the influence of different extraction solvents on the chemical composition, antioxidant potential, and antimicrobial ...
Jadranin, Milka +6 more
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Molecules, 2021 A chemical investigation into endozoic fungus Aspergillus niger L14 derived from the marine sponge of Reniera japonica collected off Xinghai Bay (China) resulted in the isolation of two dimeric naphtho-γ-pyrones, fonsecinone A (1) and isoaurasperone A (2)
Jia Liu +4 more
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Phytochemical And Pharmacognostic Insights Into Shilajatu (Asphaltum Punjabianum): Types, Purification, And Standardization Approaches [PDF]
, 2023 Shilajatu, also known as Asphaltum Punjabianum, is a well-known Rasayana (rejuvenative) ingredient in Ayurveda, with numerous therapeutic applications for enhancing energy, longevity, and metabolic health.
Gupta, Dr. Parameswarappa S. Byadgi, Prof. Neeraj Kumar, Jyoti Shah, Dhananjay Kumar, Dr. Laxmi Narayan
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Two New Bioactive α-Pyrones from Hypericum japonicum
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
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Frontiers in Chemistry, 2021 Inducible nitric oxide synthase (iNOS) produces NO from l-arginine and plays critical roles in inflammation and immune activation. Selective and potent iNOS inhibitors may be potentially used in many indications, such as rheumatoid arthritis, pain, and ...
Hong Pu +15 more
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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
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