Results 11 to 20 of about 7,227 (222)
The Biochemical Pathways of Nicotinamide-Derived Pyridones [PDF]
International Journal of Molecular Sciences, 2021 As catabolites of nicotinamide possess physiological relevance, pyridones are often included in metabolomics measurements and associated with pathological outcomes in acute kidney injury (AKI).
Faisal Hayat +2 more
exaly +6 more sources
Beilstein Journal of Organic Chemistry, 2013 A self-condensation cyclization reaction mediated by phosphorus pentoxide (P2O5) and catalyzed by zinc bromide (ZnBr2) is presented for the synthesis of polysubstituted 4-pyridones and 2-pyridones from β-keto amides.
Weibing Liu
exaly +3 more sources
Microwave assisted synthesis of 2-pyridone and 2-pyridone based compounds [PDF]
Hemijska Industrija, 2014 2-Pyridones are important heterocyclic compounds that are widely used in medical chemistry, and their various derivatives have significant biological and medical applications.
Mijin Dušan Ž. +3 more
doaj +4 more sources
2-Bromopyridines as Versatile Synthons for Heteroarylated 2-Pyridones via Ru(II)-Mediated Domino C–O/C–N/C–C Bond Formation Reactions [PDF]
MoleculesA novel methodology for the synthesis of 2-pyridones bearing a 2-pyridyl group on nitrogen and carbon atoms, starting from 2-bromopyridines, was developed employing a simple Ru(II)–KOPiv–Na2CO3 catalytic system.
Miha Drev +6 more
doaj +2 more sources
A microwave approach to the synthesis of certain 4-substituted phenyl-6-phenyl-3-cyano-2-pyridones [PDF]
Journal of the Serbian Chemical Society, 2014 A study of the synthesis of 4-substituted phenyl-6-phenyl-3-cyano-2-pyridones from 2-cyano-3-phenylsubstituted acrylates and acetophenone is presented. 2-Pyridones were obtained using conventional as well as microwave synthesis using solvent and
Marinković Aleksandar +4 more
doaj +3 more sources
Two New Antibiotic Pyridones Produced by a Marine Fungus, Trichoderma sp. Strain MF106
Marine Drugs, 2014 Two unusual pyridones, trichodin A (1) and trichodin B (2), together with the known compound, pyridoxatin (3), were extracted from mycelia and culture broth of the marine fungus, Trichoderma sp. strain MF106 isolated from the Greenland Seas.
Jutta Wiese +2 more
exaly +3 more sources
Photochemical Cycloadditions to 5,6-Dihydro-4-pyridones
CHIMIA, 1987 5,6-Dihydro-4-pyridones (3a-3c) undergo photochemical [2 + 2]-cycloaddition with olefins activated by an electron withdrawing group. Alkyl substituted double bonds could only be brought to react in the intramolecular cases 3d and 3e.
Philippe Guerry, Reinhard Neier
doaj +4 more sources
Metal-Free Cascade Formation of C–C and C–N Bond for the Construction of 3-Cyano-2-Pyridones with Insecticidal Properties [PDF]
MoleculesA straightforward and efficient methodology has been developed for the synthesis of 3-cyano-2-pyridones via the C–C and C–N bond formation processes. A total of 51 diverse 3-cyano-2-pyridone derivatives were obtained in moderate to excellent yields. This
Yao Tang +5 more
doaj +2 more sources
Recent Progresses in the Catalytic Stereoselective Dearomatization of Pyridines
Molecules, 2023 1,2- and 1,4-dihydropyridines and N-substituted 2-pyridones are very important structural motifs due to their synthetic versatility and vast presence in a variety of alkaloids and bioactive molecules.
Lucrezia Margherita Comparini +1 more
doaj +1 more source
Open Chemistry, 2021 The COVID-19 outbreak is a matter of concern worldwide due to unavailability of promising treatment comprising medication or vaccination till date. The discovery of antiviral drug is of immense importance in the existing spread of novel coronavirus.
Abdellatiif Magda H. +3 more
doaj +1 more source