Results 31 to 40 of about 18,326 (225)

Enhancement of the photochromic switching speed of bithiophene azo dyes [PDF]

open access: yes, 2012
A series of heteroaryl substituted bithiophene azo dyes in solution were irradiated with visible light to promote the azo E–Z isomerization and then the kinetics of the thermal Z–E back reaction was studied.
Castro, M. Cidália R.   +4 more
core   +1 more source

Antimicrobial activity, minimum inhibitory concentration and cytotoxicity of thiadiazol compound [PDF]

open access: yesRomanian Journal of Infectious Diseases
Background. The azole chemicals category include thiadiazoles which are heterocyclic compounds having sulfur and two nitrogen atoms that have five members. Aim.
Ban M. Saeed   +3 more
doaj   +1 more source

Synthesis, Anticancer Activity and Carbonic Anhydrase Inhibitory Activity of new Thiadiazole-hydrazone Derivatives

open access: yesCumhuriyet Science Journal, 2023
In five steps, new compounds 5a, 5b of thiadiazole-hydrazone derivatives were synthesized. Various spectral methods, such as 1H NMR, 13C NMR, and elemental analyses, were used to clarify the structures of the compounds. Three cancer cell lines (MCF7, MDA,
Ulviye Acar Çevik   +1 more
doaj   +1 more source

Synthesis, spectroscopic and crystal structure analysis of a compound with pharmocophoric substituent: 2-cyclohexyl-6-(2-oxo-2H-chromen-3-yl)- imidazo[2,1-b] [1,3,4]thiadiazole-5-carbaldehyde [PDF]

open access: yes, 2007
Imidazo[2,1-b][1,3,4] thiadiazole derivatives are significant for their various pharmacological properties. This paper reports the synthesis and structure of one of them, 2-cyclohexyl-6-(2-oxo-2H-chromen-3-yl)imidazo[2,1-b][1,3,4]thiadiazole-5 ...
Girija, C.R.   +5 more
core   +1 more source

trans-Diaquabis[2,5-bis(pyridin-2-yl)-1,3,4-thiadiazole]nickel(II) bis(tetrafluoridoborate)

open access: yesActa Crystallographica Section E, 2011
The bidentate 1,3,4-thiadiazole ligand, namely, 2,5-bis(2-pyridyl)-1,3,4-thiadiazole (denoted L), untested as a polydentate ligand, has been found to form the monomeric title complex, [Ni(C12H8N4S)2(H2O)2](BF4)2.
Fouad Bentiss   +4 more
doaj   +1 more source

Synthesis and Crystal Structure Analysis of 2-(Fluorobenzyl)-6-(4-Nitrophenyl) Imidazo[2,1-b][1,3,4]Thiadiazole [PDF]

open access: yes, 2010
Preparation of 2-(4-fluorobexzyl)-6-(4-nitrophenyl)imidazo[2,1-b][1,3,4]thiadiazole is described and its crystal structure is discussed. The compound crystallizes in the monoclinic space group C2/c with a = 39.941(6) Å, b = 5.698(2) Å, c = 13.272(5) Å β =
Banu, A.   +3 more
core   +1 more source

Antifungal Activity, Cytotoxicity and Mechanism of Action of Nitroheteroaryl-1,3,4-thiadiazole Containing N-benzyl and N-methoxyethyl Substitution Against Aspergillus fumigatus

open access: yesMediterranean Journal of Infection, Microbes and Antimicrobials, 2021
Introduction: This study aimed to evaluate antifungal activity and cytotoxicity of two new nitroheteroaryl-1,3,4-thiadiazole derivatives containing N-methoxyethyl (9) and N-benzyl (10) moiety against Aspergillus fumigatus with a special focus on their ...
Pegah MORADABAD   +5 more
doaj   +1 more source

Excitation Dynamics in Low Band Gap Donor-Acceptor Copolymers and Blends

open access: yes, 2012
Donor-acceptor (D-A) type copolymers show great potential for the application in the active layer of organic solar cells. Nevertheless the nature of the excited states, the coupling mechanism and the relaxation pathways following photoexcitation are yet ...
Deibel, Carsten   +7 more
core   +1 more source

Novel free fatty acid receptor 1 (GPR40) agonists based on 1,3,4-thiadiazole-2-carboxamide scaffold [PDF]

open access: yes, 2016
Free fatty acid receptor 1 (FFA1), previously known as GPR40 is a G protein-coupled receptor and a new target for treatment of type 2 diabetes. Two series of FFA1 agonists utilizing a 1,3,4-thiadiazole-2-caboxamide scaffold were synthetized.
Kovalenko, Alexey   +7 more
core   +1 more source

New Route Synthesis of Thiadiazoles, Bisthiadiazoles, Thiadiazolotriazines, and Pyrazolothiadiazoles Based on Hydrazonoyl Halides and Dihydrazinylthiadiazole

open access: yesMolecules, 2017
Synthesis and characterization of new thiadiazoles, bisthiadiazoles from the reaction of mono- and di-hydrazonoyl halides with various hydrazinecarbodithioate derivatives were studied.
Abdelwahed R. Sayed, Shar Saad Al-Shihry
doaj   +1 more source

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