Results 161 to 170 of about 8,535 (227)

Synthesis, characterization, biological evaluation, and molecular docking studies of new 1,3,4-oxadiazole-thioether derivative as antioxidants and cytotoxic agents. [PDF]

Heliyon
Shiferaw DG, Kalluraya B.
europepmc   +1 more source

Sensing of Co²⁺ and Cu²⁺ Ions Using Dimethylamino-functionalized Poly(azomethine-1,3,4-oxadiazole)s. [PDF]

J Fluoresc
Homocianu M, Hamciuc E, Hamciuc C.
europepmc   +1 more source

Design and synthesis of novel 2-(2-(4-bromophenyl)quinolin-4-yl)-1,3,4-oxadiazole derivatives as anticancer and antimicrobial candidates: in vitro and in silico studies. [PDF]

RSC Adv
Ryad N, Elmaaty AA, Selim S, Almuhayawi MS, Al Jaouni SK, Abdel-Aziz MS, Alqahtani AS, Zaki I, Abdel Ghany LMA.   +8 more
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Synthesis, biological evaluation, and molecular docking of novel ferulic acid derivatives containing a 1,3,4-oxadiazole thioether and trifluoromethyl pyrimidine skeleton. [PDF]

RSC Adv
An J, Pan N, Liu C, Chen H, Fei Q, Gan X, Wu W.   +6 more
europepmc   +1 more source

Conversion of raltegravir carrying a 1,3,4-oxadiazole ring to a hydrolysis product upon pH changes decreases its antiviral activity. [PDF]

PNAS Nexus
Nakamura T, Okumura M, Takamune N, Hirotsu T, Sugiura M, Yasunaga J, Nakata H.   +6 more
europepmc   +1 more source

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Perfluoro-1,3,4-oxadiazoles

Journal of Fluorine Chemistry, 1992
Abstract Some new polyfluorinated 1,3,4-oxadiazoles have been obtained via a two-step method. The cycloadditions of the 1,3,4-oxadiazoles have been studied and an analysis of the energies of the frontier orbitals calculated by the MNDO method indicates a LUMO-dependent pathway for cycloaddition.
N.V. Vasiliev, Yu.E. Lyashenko, A.E. Patalakha, G.A. Sokolski   +3 more
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Poly‐1,3,4‐oxadiazoles. I. Polyphenylene‐1,3,4‐oxadiazoles

Journal of Polymer Science Part A: General Papers, 1965
AbstractPolyphenylene‐1,3,4‐oxadiazoles have been prepared from benzenedicarboxylic acids or their derivatives and hydrazine by solution polycondensation in fuming sulfuric acid or polyphosphoric acid. These polymers were characterized by good thermal stability, and the molecular weights attained were high enough for the products to exhibit fiber‐or ...
Yoshio Iwakura, Keikichi Uno, Shigeyoshi Hara   +2 more
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Poly‐1,3,4‐oxadiazoles. III. Alicyclic poly‐1,3,4‐oxadiazoles

Die Makromolekulare Chemie, 1966
AbstractSome alicyclic poly‐1,3,4‐oxadiazoles were prepared from cycloalkanedicarboxylic dihydrazides or from cycloalkanedicarboxylic acids and hydrazine sulfate by solution polycondensation in polyphosphoric acid. These polymers were characterized by high melting temperature.
Yoshio Iwakura, Keikichi Uno, Shigeyoshi Hara   +2 more
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Infrared spectra of 1,3,4-oxadiazole and 2,5,-dimethyl-1,3,4-oxadiazole. Vibrational assignment of 1,3,4-oxadiazole

Journal of Molecular Spectroscopy, 1967
Abstract The infrared absorption spectrum of 1,3,4-oxadiazole has been recorded in the region 5000-400 cm −1 in the vapor and in the liquid phases, in CS 2 and C 2 Cl 4 solutions. Also, the infrared absorption spectrum of liquid 2,5-dimethyl-1,3,4-oxadiazole was recorded in the same region. A tentative assignment of the fundamental vibrations of 1,
Daniel Højgaard Christensen, Jørgen Tormod Nielsen, Ole Faurskov Nielsen   +2 more
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