Results 11 to 20 of about 12,849,117 (223)
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
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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]
: 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 Novel 3-Acetyl N-methyl-2- Quinolone Derivatives with Expected Antimicrobial Activity
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
Synthesis of Some 1, 3, 4- Oxadizole Derivatives from Naproxen and Acetyl Chloride [PDF]
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
1,3,4-Thiadiazole and oxadiazole hetetocycles are well-known pharmacophore scaffolds, which possess wide possibility for chemical modification and identified diverse pharmacological potential.
M. I. Lelyukh
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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]
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
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
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Expeditious synthesis of 1,3,4-oxadiazole derivatives via sydnones [PDF]
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
Toxicological Evaluation of Anti-Scrapie Trimethoxychalcones and Oxadiazoles
An altered form of the cellular prion protein, the PrPScor PrPRes, is implicated in the occurrence of the still untreatable transmissible spongiform encephalopathies.
CLAUDIA P. FIGUEIREDO +10 more
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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
core +1 more source

