Results 31 to 40 of about 7,227 (222)
Recent advances in chemistry and pharmacological aspects of 2-pyridone scaffolds
Journal of Saudi Chemical Society, 2021 Background: The chemistry and applications of 2-pyridone structures have recently attracted a lot of attention due to their uses as synthetic intermediates and their biological importance.
Mostafa M.K. Amer +4 more
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The Ring Transformation of 3-Methyl-5-nitropyrimidin-4(3H)-one
Molecules, 2003 3-Methyl-5-nitropyrimidin-4(3H)-one readily reacts with carbonyl compounds to produce three kinds of ring transformations. The nitropyrimidinone behaves as the synthetic equivalent of activated diformylamine affording 3,5-difunctionalized 4-pyridones, 4 ...
Masahiro Ariga +4 more
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Molecules, 2022 Dehydroacetic acid and triacetic acid lactone are known to be versatile substrates for the synthesis of a variety of azaheterocycles. However, their fluorinated analogs were poorly described in the literature.
Vladislav V. Fedin +3 more
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Synthesis and Reactivity of N-Acyl-5- (1-hydroxyalkyl)-2,3-dihydro-4-pyridones
, 2016 The Nozaki−Hiyama−Kishi reaction was used to prepare the 5-(1-hydroxyalkyl)-2,3-dihydro-4-pyridones 3.
Anne-Cécile Hiebel (2480971) +2 more
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2-Pyridone: monoclinic polymorph [PDF]
Acta Crystallographica Section E Structure Reports Online, 2009 تتكون الوحدة غير المتماثلة في مركب العنوان، C(5)H(5)NO، من جزيئتين مستقلتين ولكن متطابقتين تقريبًا من 2 -بيريدون، وتمثل شكلًا متعددًا أحادي الميل من شكل أورثو- روم- بيك (P2 (1)2(1)2(1)) [Penfold (1953▶). أكتا كريست .6، 591-600 ؛ أومس وآخرون. (1984▶). Z. Kristallogr.169، 185-200 ؛ Yang & Craven (1998▶). أكتا كريست. B54، 912-920]. ترتبط الحبيبات الجزيئية
Hadi D. Arman +2 more
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3,4-Dihydro-2(1H)-Pyridones as Building Blocks of Synthetic Relevance
Molecules, 2022 3,4-Dihydro-2(1H)-pyridones (3,4-DHPo) and their derivatives are privileged structures, which has increased their relevance due to their biological activity in front of a broad range of targets, but especially for their importance as synthetic precursors
Sisa Chalán-Gualán +5 more
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CXXXI.—Benzeneazo-2-pyridone [PDF]
J. Chem. Soc., Trans., 1908 n ...
Mills, William Hobson, Widdows, Sibyl T.
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Synthesis and investigation of solvent effects on the ultraviolet absorption spectra of 5-substituted-4-methyl-3-cyano-6-hydroxy-2-pyridones [PDF]
Journal of the Serbian Chemical Society, 2001 A number of 5-substituted-4-methyl-3-cyano-6-hydroxy-2-pyridones from cyanoacetamide and the corresponding alkyl ethyl acetoacetates were synthesized according to modified literature procedures. The alkyl ethyl acetoacetates were obtained by the reaction
NATASA V. VALENTIC +2 more
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Ruthenium(II)-Catalyzed Remote C–H Sulfonylation of 2‑Pyridones
, 2023 Herein, a ruthenium-mediated remote C–H mono- and disulfonylation of 2-pyridones with arylsulfonyl chlorides is developed. The catalytic system consisting of a [Ru(p-cymene)Cl2]2 catalyst and KOAc additive allows 2-pyridones to undergo C3,C5 ...
Zhuan Zhang +13 more
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Continuous flow synthesis of some 6- and 1,6-substituted 3-cyano-4-methyl-2-pyridones [PDF]
Journal of the Serbian Chemical Society, 2019 In this study, six 6- and 1,6-substituted-3-cyano-4-methyl-2-pyridones were synthesized in a continuous flow microreactor system. The syntheses were realized at room temperature and the obtained results were compared to those achieved within classical ...
Tadić Julijana +3 more
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