Results 111 to 120 of about 10,839 (246)

The chemical conversion of nicotinic acid and nicotinamide to derivatives of N-methyl-2-pyridone by methylation and oxidation [PDF]

, 1948
W. I. M. Holman, C. J. Wesley Wiegand
openalex   +1 more source

Isomerization Mechanism in Hydrazone-Based Rotary Switches: Lateral Shift, Rotation, or Tautomerization? [PDF]

, 2011
Two intramolecularly hydrogen-bonded arylhydrazone (aryl = phenyl or naphthyl) molecular switches have been synthesized, and their full and reversible switching between the E and Z configurations have been demonstrated.
Aprahamian, Ivan, Benítez, Diego, Elhabiri, Mourad, Goddard, William A., III, Lafranchi, Don Antoine, Landge, Shainaz M., Tkatchouk, Ekaterina   +6 more
core   +1 more source

Design, Synthesis, and Evaluation of Novel Δ²-Thiazolino 2-Pyridone Derivatives That Potentiate Isoniazid Activity in an Isoniazid-Resistant Mycobacterium tuberculosis Mutant. [PDF]

J Med Chem, 2023
Sarkar S, Mayer Bridwell AE, Good JAD, Wang ER, McKee SR, Valenta J, Harrison GA, Flentie KN, Henry FL, Wixe T, Demirel P, Vagolu SK, Chatagnon J, Machelart A, Brodin P, Tønjum T, Stallings CL, Almqvist F.   +17 more
europepmc   +1 more source

Examining the safety of nicotinamide for skin cancer prevention: Review of adverse events, metabolism, and toxic dosages

JAAD Reviews
Nicotinamide (niacinamide) supplementation for non-melanoma skin cancer prevention has sparked controversy over the past decade due to its inconsistent evidence of chemoprevention and its recently challenged safety profile.
Katie R. Xu, BA, Micah Belzberg, MD, Allison T. Vidimos, MD, RPh   +2 more
doaj   +1 more source

Synthesis of 5-(substituted phenylazo)-6-hydroxy-4-methyl-3-cyano-2-pyridones from ethyl 3-oxo-2-(substituted phenylazo)butanoates, Short communication [PDF]

Journal of the Serbian Chemical Society, 2011
A new procedure for the synthesis of known azo pyridone dyes is presented. A series of 5-(substituted arylazo)-6-hydroxy-4-methyl-3-cyano-2-pyridones were prepared from ethyl 3-oxo-2-(substituted phenylazo)butanoates and cyanoacetamide in acetone using ...
GORDANA UŠĆUMLIĆ, DUŠAN MIJIN, NATAŠA VALENTIĆ, JASMINA DOSTANIĆ   +3 more
doaj  

Design, Synthesis, and Mechanistic Study of 2-Pyridone-Bearing Phenylalanine Derivatives as Novel HIV Capsid Modulators. [PDF]

Molecules, 2022
Zhang X, Sun L, Xu S, Shao X, Li Z, Ding D, Jiang X, Zhao S, Cocklin S, Clercq E, Pannecouque C, Dick A, Liu X, Zhan P.   +13 more
europepmc   +1 more source

Pentaketides and 5-p-Hydroxyphenyl-2-pyridone Derivative from the Culture Extract of a Marine Sponge-Associated Fungus Hamigera avellanea KUFA0732. [PDF]

Mar Drugs, 2023
Klaram R, Dethoup T, Machado FP, Gales L, Kumla D, Hafez Ghoran S, Sousa E, Mistry S, Silva AMS, Kijjoa A.   +9 more
europepmc   +1 more source

Urinary N-methylnicotinamide and β-aminoisobutyric acid predict catch-up growth in undernourished Brazilian children [PDF]

, 2015
Guerrant, RL, Havt, A, Leite, Á, Lima, AAM, Lima, NL, Mayneris-Perxachs, J, Moore, SR, Moura, AF, Pinkerton, R, Soares, AM, Swann, JR   +10 more
core   +1 more source

Ionization of Ammonia Nanoices With Adsorbed Methanol Molecules

, 2018
Large ammonia clusters represent a model system of ices which are omnipresent throughout the space. The interaction of ammonia ices with other hydrogen-boding molecules such as methanol or water and their behavior upon an ionization are thus relevant in ...
Ballauf, Lorenz, Chalabala, Jan, Fárník, Michal, Moriová, Kamila, Pysanenko, Andriy, Scheier, Paul, Slavícek, Petr   +6 more
core   +2 more sources

Two New 4-Hydroxy-2-pyridone Alkaloids with Antimicrobial and Cytotoxic Activities from Arthrinium sp. GZWMJZ-606 Endophytic with Houttuynia cordata Thunb. [PDF]

Molecules, 2023
Yin Y, Wang D, Wu D, He W, Zuo M, Zhu W, Xu Y, Wang L.   +7 more
europepmc   +1 more source