Results 91 to 100 of about 18,261 (204)

Planejamento, síntese e caracterização de derivados do 9,10-bis(5-fenil-1,3,4-oxadiazol-2-IL)Antraceno [PDF]

open access: yes, 2015
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Química, Florianópolis, 2015Neste trabalho é descrito o planejamento, síntese e caracterização de uma série de novos ...
Ratto Neto, Carlos Alberto
core  

Synthesis of Schiff Bases of 2-amino-5-aryl-1,3,4-thiadiazole and Its Analgesic, Anti-Inflammatory and Anti-Bacterial Activity

open access: yesE-Journal of Chemistry, 2012
Schiff Bases of 2-amino-5-aryl-1,3,4-thiadiazole derivatives have been synthesized with different aromatic aldehyde. 1,3,4-thiadiazole derivatives were prepared by the reaction of thiosemicarbazide, sodium acetate and aromatic aldehyde. The structures of
Alok Pandey   +3 more
doaj   +1 more source

6-(3-Chlorophenyl)imidazo[2,1-b][1,3,4]thiadiazole [PDF]

open access: yes, 2013
In the title compound, C10H8ClN3S, the dihedral angle between the mean planes of the benzene and imidazo[2,1-b][1,3,4]thiadiazole rings is 6.0 (9)°.
Praveen, A. S.   +9 more
core   +1 more source

Synthesis and Characterization of Some New Thiazine , Azetidine and Thiazolidine Compounds Containing 1,3,4Thiadiazole Moiety And Their Antibacterial Study

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2017
     2-amino-5-mercapto-1,3,4-thiadiazole [I] were prepared by the cyclization of thiosemecarbazide with carbon disulphide and anhydrous  sodium carbonate in ethanol as a solvent.
Ali H. Samir   +2 more
doaj  

A one-dimensional cadmium(II) complex supported by a sulfur–nitrogen mixed-donor ligand

open access: yesActa Crystallographica Section E, 2009
In the title compound, catena-poly[cadmium(II)-bis(μ-5-amino-1,3,4-thiadiazole-2-thiolato)-κ2N3:S2;κ2S2:N3], [Cd(C2H2N3S2)2]n, the CdII ion is coordinated by two N atoms of the 1,3,4-thiadiazole rings from two ligands and two S
Qian Gao   +3 more
doaj   +1 more source

2,5-Bis[(3-chlorobenzyl)sulfanyl]-1,3,4-thiadiazole

open access: yes, 2012
The complete molecule of the title compound, C16H12Cl2N2S3, is generated by crystallographic twofold symmetry, with the S atom of the thiadiazole ring lying on the rotation axis.
Na-Bo Sun, Wei Ke, Jian-Zhong Jin
core   +1 more source

Synthesis and Regioselective Reaction of Some Unsymmetrical Heterocyclic Chalcone Derivatives and Spiro Heterocyclic Compounds as Antibacterial Agents

open access: yesMolecules, 2015
A number of novel heterocyclic chalcone derivatives can be synthesized by thermal and microwave tools. Treatment of 4-(4-Acetylamino- and/or 4-bromo-phenyl)-4-oxobut-2-enoic acids with hydrogen peroxide in alkaline medium were afforded oxirane ...
Maher A. El-Hashash   +2 more
doaj   +1 more source

A Highly Efficient Diversification of 2‑Amino/Amido-1,3,4-oxadiazole and 1,3,4-Thiadiazole Derivatives via Reagent-Based Cyclization of Thiosemicarbazide Intermediate on Solid-Phase

open access: yes, 2015
A 2-amino/amido-1,3,4-oxadiazole and 1,3,4-thiadiazole library has been constructed on solid-phase organic synthesis. The key step on this solid-phase synthesis involves the preparation of polymer-bound 2-amino-1,3,4-oxadiazole and 1,3,4-thiadiazole core
Ji-Hye Choe (1463143)   +3 more
core   +1 more source

Synthesis and Characterization of Novel Schiff Bases of Imide Moiety

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2017
    In our research novel schiff bases of imides moiety have been synthesized . Novel Schiff base derivatives of imides moiety have been synthesized by multistep reaction .
Sulaiman M. Hasan   +2 more
doaj  

2-(4-Fluoro-3-nitrophenyl)-6-(4-methoxyphenyl)imidazo[2,1-b]-1,3,4-thiadiazole

open access: yes, 2012
The title compound, 2-(4-fluoro-3-nitrophenyl)-6-(4-methoxyphenyl)­imidazo[2,1-b]-1,3,4-thiadiazole (3) was obtained by the condensation of 5-(4-fluoro-3-nitrophenyl)-[1,3,4]thiadiazol-2-ylamine (1) with 4-methoxyphenacyl bromide (2).
Balladka Kunhanna Sarojini   +2 more
core   +1 more source

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