A Graphene Acid - TiO2 Nanohybrid as Multifunctional Heterogeneous Photocatalyst for the Synthesis of 1,3,4-Oxadiazoles [PDF]
, 2022 The immobilization of TiO2 nanoparticles on graphene acid (GA), a conductive graphene derivative densely functionalized with COOH groups, is presented.
Víctor A. de la Peña O’ Shea (13150095) +5 more
core +1 more source
Design, Synthesis and Anticancer Evaluation of Novel Bis-Thiazol-1,2,4-Triazine Hybrids Contained 1,3,4-Oxadiazoles [PDF]
, 2022 A new library of bis-thiazol-1,2,4-triazinehybrids having 1,3,4-oxadiazoles (10a–j) has been designed and synthesized. They were examined for their preliminary anticancer properties against four selected human cancer cell lines including SiHa (cervix ...
Suresh Bairi (14007462) +2 more
core +1 more source
Synthesis, characterization and in vivo antitumor effect of new α,β-unsaturated-2,5-disubstituted-1,3,4-oxadiazoles [PDF]
, 2022 New α,β-unsaturated-2,5-disubstituted-1,3,4-Oxadiazoles (4a–j) and (10a–d) have been prepared in good to excellent yields starting from β-chlorovinyl aldehydes and hydrazide.
M. Fray (12315396) +8 more
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Synthesis and Study of Some 4-Chlorophenoxy Methyl Substituted amido1,3,4-Oxadiazoles, 1,3,4-Thiadiazoles and 1,2,4-Triazoles from 4-Chloro phenoxy acetic acid [PDF]
مجلة التربية والعلم, 2013 : In this paper the synthesis of some substituted 1,3,4-oxadiazole, 1,3,4-thiadiazoles and 1,2,4-triazoles is reported. 4-Chlorophenol was treated with chloroacetic acid to give 4-chlorophenoxy acetic acid (C1) which was reacted with thionyl chloride ...
Mudhar A. Othman, Khalid M. Daoud
doaj +1 more source
Synthesis of Some 1, 3, 4- Oxadizole Derivatives from Naproxen and Acetyl Chloride [PDF]
مجلة التربية والعلم, 2013 A seriers of 1, 3, 4-oxadiazol-2-thion were synthesized by the reaction of naproxen (or acetyl) amino acid hydrazides (glycine, valine, leucine, isoleucine and tyrosine) with carbon disulphide in alkaline medium.
Alya A. Dawood
doaj +1 more source
Expanding Synthesizable Space of Disubstituted 1,2,4-Oxadiazoles [PDF]
, 2017 One-pot synthesis of 3,5-disubstituted 1,2,4-oxadiazoles from carboxylic acids and nitriles was optimized to parallel chemistry. The method was validated on a 141 member library; the desired products were recovered with a high success rate and in ...
Andrey Tolmachev (1514266) +10 more
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Synthesis of Novel 3-Acetyl N-methyl-2- Quinolone Derivatives with Expected Antimicrobial Activity
Al-Mustansiriyah Journal of Science, 2018 A series of new 3-Acetyl N-Methyl-2-quinolones oxadiazoles derivatives were synthesized by reaction of 3-acetyl-4-hydroxy-1-methylquinolin-2(1H)-one 3 with ethylbromoacetate to produce compounds 4.
Ghazwan Ali Salman
doaj +1 more source
Intramolecular Diels−Alder and Tandem Intramolecular Diels−Alder/1,3-Dipolar Cycloaddition Reactions of 1,3,4-Oxadiazoles [PDF]
, 2016 The scope of intramolecular Diels−Alder and a novel tandem Diels−Alder/1,3-dipolar cycloaddition cascade of 1,3,4-oxadiazoles is disclosed. In the cases examined, the tandem cycloadditions construct three new rings with formation of four new C−C bonds ...
Dale L. Boger (1306542) +7 more
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Synthesis Of 2-Benzamidomethyl-5-Substituted Amino-1,3,4-Thiadiazoles-2,5-Disubstituted 1,3,4-Oxadiazole and 4,5-Disubstituted 1,2,4-Triazole-3-Thiol [PDF]
مجلة التربية والعلم, 2012 In this paper the synthesis of some substituted 1,3,4-oxadiazoles , 1,3,4-thiadiazoles and 1,2,4-triazoles starting from amino acid and benzoyl chloride is reported.
K. M. Daoud, A. N. Ali, A. A. Ahmed
doaj +1 more source
Expeditious synthesis of 1,3,4-oxadiazole derivatives via sydnones [PDF]
Journal of the Serbian Chemical Society, 2008 The clean cyclization of chalcones (1a–c/2a–c) with hydrazine hydrate under microwave irradiation afforded pyrazolines derivatised with sydnone (3d–i/4d–i), which underwent 1,3-dipolar cyclo-addition with acetic anhydride to form pyrazolines appended ...
D. G. BHADREGOWDA +2 more
doaj +3 more sources