Results 91 to 100 of about 18,156 (205)

Room Temperature Synthesis and Antibacterial Activity of New Sulfonamides Containing N,N -Diethyl-Substituted AmidoMoieties [PDF]

open access: yes, 2012
Sulfonamide drugs which have brought about an antibiotic revolution in medicine are associated with a wide range of biological activities.
Ajani, Olayinka O.   +4 more
core   +5 more sources

3-{[6-(4-Chlorophenyl)imidazo[2,1-b][1,3,4]thiadiazol-2-yl]methyl}-1,2-benzoxazole [PDF]

open access: yes, 2011
In the title compound, C18H11ClN4OS, the benzisoxazole and imidazothiadiazole rings are inclined at an angle of 23.81 (7)degrees with respect to each other. The imidazothiadiazole and chlorophenyl rings make a dihedral angle of 27.34 (3)degrees.
Banu, A.   +4 more
core   +1 more source

Synthesis and Anti-Trypanosoma cruzi Activity of New Pyrazole-Thiadiazole Scaffolds

open access: yesMolecules
Chagas disease, a silent but widespread disease that mainly affects a socioeconomically vulnerable population, lacks innovative safe drug therapy. The available drugs, benznidazole and nifurtimox, are more than fifty years old, have limited efficacy, and
Thamyris Perez de Souza   +6 more
doaj   +1 more source

Theoretical considerations regarding the thione-thiol tautomerism in 2-(5-mercapto-1,3,4-thiadiazol-2-ylthio)acetic acid

open access: yesActa Chimica Slovenica, 2015
The acidity constants Ka1 and Ka2 of 2-(5-mercapto-1,3,4-thiadiazol-2-ylthio)acetic acid have been determined both by experimental and theoretical methods.
Raluca Oana Pop   +6 more
doaj   +1 more source

A convenient synthesis of 1,3,4-thiadiazole and 1,3,4-oxadiazole based peptidomimetics employing diacylhydrazines derived from amino acids [PDF]

open access: yes, 2010
Synthesis of novel orthogonally protected 1,3,4-thiadiazole and 1,3,4-oxadiazole tethered dipeptide mimetics is described. Both the heterocycles are prepared via a set of diacylhydrazines derived from amino acids.
Lamani, R.S.   +3 more
core   +1 more source

Synthesis, Spectroscopy and Crystal Structure of 2‐Ethyl‐6‐(4‐nitrophenyl)imidazo[2,1‐b] [1,3,4]thiadiazole‐5‐carbaldehyde. [PDF]

open access: yes, 2006
ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals.
Girija, C.R.   +5 more
core   +1 more source

SYNTHESIS, ELECTRONIC AND SPECTRAL PROPERTIES OF NEW 1,3,4-THIADIAZOLE COMPOUNDS AND THE SPECTRAL ANALYSIS OF THEIR CONFORMERS USING DENSITY FUNCTIONAL THEORY

open access: yesQuímica Nova
In this study, new 1,3,4-thiadiazole compounds were synthesised and characterised by FT-IR, 1H-NMR, UV-vis spectroscopy and elemental analysis, Furthermore, the relationship between the electronic and spectral data of the 16 conformers of each compound ...
Muhammet Serdar Çavuş, Tuğba Çelik
doaj   +1 more source

Synthesis and in vitro Evaluation of New Benzothiazole Derivatives as Schistosomicidal Agents

open access: yesMolecules, 2007
A series of benzothiazol-2-yl-dithiocarbamates 3a-d along with their copper complexes 4a-c were synthesized via the reaction of suitable alkyl, aralkyl or heteroaryl halides with the sodium salt of benzothiazol-2-yl-dithiocarbamic acid, followed by ...
Mona A Mahran   +3 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

The Influence of Conjugated Polymer Side Chain Manipulation on the Efficiency and Stability of Polymer Solar Cells [PDF]

open access: yes, 2016
The stability of polymer solar cells (PSCs) can be influenced by the introduction of particular moieties on the conjugated polymer side chains. In this study, two series of donor-acceptor copolymers, based on bis(thienyl)dialkoxybenzene donor and benzo[c]
Bundgaard, Eva   +8 more
core   +2 more sources

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