Results 91 to 100 of about 26,404 (254)

A second polymorph of 3,4-bis(6-bromopyridin-3-yl)-1,2,5-thiadiazole

IUCrData, 2016
The title compound, C12H6Br2N4S, a second polymorph in the triclinic space group P-1, is presented. As in the earlier reported monoclinic polymorph in the space group C2/c [Becker et al. (2016). Chem. Eur. J. In the press], the thiadiazole ring is planar
Lisanne Becker, Kai Altenburger, Anke Spannenberg, Perdita Arndt, Uwe Rosenthal   +4 more
doaj   +1 more source

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

Molecules
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, Lorraine Martins Rocha Orlando, Leonardo da Silva Lara, Vitoria Barbosa Paes, Lucas Penha Dutra, Mauricio Silva dos Santos, Mirian Claudia de Souza Pereira   +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

Acta 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, Maria Ilici, Mihaiela Andoni, Vasile Nicolae Bercean, Cornelia Muntean, Monica M. Venter, Ilie Julean   +6 more
doaj   +1 more source

Synthesis and Antitumor Activity of Amide Derivatives Containing 1,3,4-Thiadiazole and Pyrazole Moieties [PDF]

, 2021
Jiaoli Ma, Penghu Guo, Jing Li, Xincheng Liao, Hui‐Cheng Cheng   +4 more
openalex   +1 more source

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

, 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, Defour, Maxime, D’Haen, Jan, Heckler, Ilona Maria, Kesters, Jurgen, Madsen, Morten Vesterager, Maes, Wouter, Penxten, Huguette, Van Mele, Bruno   +8 more
core   +2 more sources

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

Química 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

Molecules, 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, Samia William, Fatem Ramzy, Amira M Sembel   +3 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]

, 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., Begum, N.S., Khazi, I.M., Lamani, R.S.   +3 more
core   +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]

, 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., Nagendra, G., Narendra, N., Sureshbabu, V.V.   +3 more
core   +1 more source

Synthesis of New 1,3,4-Thiadiazole and 1,2,3,4-Oxathiadiazole Derivatives from Carbohydrate Precursors and Study of Their Effect on Tyrosinase Enzyme

Molecules, 2012
5-(1,2,3,4-Tetrahydroxybutyl)-2-methylfuran-3-carbohydrazide (<strong>2</strong>) was condensed with a variety of ketones to afford carbohydrazide derivatives <strong>3</strong>–<strong>6</strong>.
Huda E. Abdelwahab, Galila A. Yacout, Seham Y. Hassan, Mohamed M. El-Sadek   +3 more
doaj   +1 more source