Results 11 to 20 of about 12,861 (208)

Enzymatic synthesis of vitamin B6 precursor [PDF]

open access: yesJournal of the Serbian Chemical Society, 2013
3-Cyano-4-ethoxymethyl-6-methyl-2-pyridone is an important precursor in the synthesis of vitamin B6, obtained in the addition reaction between 2-cyanoacetamide and 1-ethoxy-2,4-pentanedione catalyzed by lipase from Candida rugosa ...
Prlainović Nevena Ž.   +4 more
doaj   +3 more sources

2-Pyridone: monoclinic polymorph [PDF]

open access: yesActa Crystallographica Section E, 2009
The asymmetric unit in the title compound, C5H5NO, comprises two independent but virtually identical molecules of 2-pyridone, and represents a monoclinic polymorph of the previously reported orthorhombic (P212121) form [Penfold (1953). Acta Cryst. 6, 591&
Edward R. T. Tiekink   +2 more
doaj   +3 more sources

5-Methyl-2-pyridone [PDF]

open access: yesActa Crystallographica Section E, 2011
The crystal structure of the title compound, C6H7NO, is stabilized by intermolecular N—H...O hydrogen bonds, resulting in inversion dimers. The structure is further consolidated by weak C—H...O hydrogen bonds.
Shulin Mao, Luo Yanghui, Pan Meiling
doaj   +3 more sources

Microwave assisted synthesis of 2-pyridone and 2-pyridone based compounds [PDF]

open access: yesHemijska 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

Targeting cancer cell mitochondria with a multivalent source of singlet oxygen

open access: yesSmart Molecules
Naphthalene, anthracene and pyridone endoperoxides are known to thermally release singlet oxygen. However, in the cycloreversion reaction, singlet oxygen is produced stoichiometrically; therefore, multiple singlet oxygen releasing modules are expected to
Wanwan Wang   +4 more
doaj   +2 more sources

Synthesis and Evaluation of Antitumor and Anti-Angiogenesis Activity of Pyrone- or Pyridone-Embedded Analogs of Cortistatin A [PDF]

open access: yesMarine Drugs
Simplified analogs of cortistatin A were synthesized and biologically evaluated to develop novel antitumor substances that target angiogenesis. To analyze the effect of substituents at positions corresponding to C-2 and/or C-4 of the A-ring, various ...
Yuri Fujimoto   +4 more
doaj   +2 more sources

Synthesis and characterization of Cu and Fe (1:2) metal complexes based on their substituted pyridones acid dyes and their application on wool fabrics [PDF]

open access: yesJournal of Chemistry Letters, 2022
In this study, the investigation deals with synthesis of acid dyes from 4-amino-1-(4-sulfophenyl)- 3-methyl-5-pyrazolone and their pyridone derivatives and their metal complexes (Cu (II)and Fe (II)).
Olamide Ajani   +2 more
doaj   +1 more source

Crystal structure of 4-(naphthalen-2-yl)-2-oxo-6-phenyl-1,2-dihydropyridine-3-carbonitrile

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2023
The synthesis and crystal structure of the title compound, C22H14N2O, are described. The title compound was synthesized by a three-component one-pot reaction in DMSO involving chalcone, cyanoacetamide and elemental sulfur as catalyst.
Thai Thanh Thu Bui   +3 more
doaj   +1 more source

Azo-hydrazone tautomerism of aryl azo pyridone dyes [PDF]

open access: yesHemijska Industrija, 2013
In the last three or four decades disperse dyes derived from pyridones (in particular azo pyridone dyes) have gained in importance, and are widely used in various fields.
Mirković Jelena M.   +3 more
doaj   +1 more source

Synthesis of azo pyridone dyes [PDF]

open access: yesHemijska Industrija, 2011
Over 50% of all colorants which are used nowdays are azo dyes and pigments, and among them arylazo pyridone dyes (and pigments) have became of interest in last several decades due to the high molar extinction coefficient, and the medium to high light ...
Mijin Dušan Ž.   +3 more
doaj   +1 more source

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