Results 21 to 30 of about 18,261 (204)

Preparation of some azo compounds by diazotization and coupling of 2- amino -5 – thiol -1,3,4- thiadizaole

مجلة بغداد للعلوم, 2015
2- amino -5- thiol-1,3,4- thiadiazole (S1) was prepared by cyclic locking of thiosemicarbazide in the presence of anhydrous sodium carbonate and CS2. diazotization of (S1) compound gave diazonium salt (S2) that reacts with different activated aromatic ...
Baghdad Science Journal
doaj   +1 more source

Synthesis and Characterization of Five, Sevene Heterocyclic Membered Rings

مجلة بغداد للعلوم, 2013
New compounds containing heterocyclic units have been synthesized. These compounds include 2-amino 5- phenyl-1,3,4-thiadiazole (1) as starting material to prepare the Schiff bases 2N[3-nitrobenzylidene -2 hydroxy benzylidene and 4-N,N-dimethyl ...
Baghdad Science Journal
doaj   +1 more source

Sulfur Bridged Multidentate Ligands Based on (Bi)pyridyl-(Bi)-1,3,4-Thiadiazolyl Conjugates

Molecules, 2003
The synthesis of a series of mixed (bi)pyridyl/(bi)1,3,4-thiadiazolyl ligands, derived from the condensation of 2-mercapto-5-methylthio-1,3,4-thiadiazole or 5-mercapto-5'-methylthio-2,2'-bi-1,3,4-thiadiazole with 2,6-bis(chloromethyl)pyridine or 6,6’
M. Teresa Clasadonte, Andrea Pappalardo, Antonino Mamo   +2 more
doaj   +1 more source

One-pot Three-component Synthesis of Novel 1,3,4-Thiadiazole-thiazolo[3,2-a]pyrimidine Derivatives Catalyzed by Molecular Iodine

, 2021
One-pot Three-component Synthesis of Novel 1,3,4-Thiadiazole-thiazolo[3,2-a]pyrimidine Derivatives Catalyzed by Molecular ...
Samaneh Ghaffari (11668230), Amir Khojastehnezhad (4107877), Abbas Ali Esmaeili (8445927)   +2 more
core   +1 more source

SYNTHESIS AND ANTIMICROBIAL ACTIVITY OF SOME (2-AMINO-5-THIOL-1, 3, 4-THIADIAZOLE DERIVATIVES

مجلة بغداد للعلوم, 2007
Five derivatives of thiadiazole were prepared with aldehydes and alkyl halides, compoundA: 2-amino-5-thiol-1,3,4- thiadiazole, compound B :2-(o-hydroxybenzylidine)amino-5-thiol-1,3,4-thiadiazole, compoundC: 2(2-butan-lidine)amino-5-thiol-1,3,4 ...
Baghdad Science Journal
doaj   +1 more source

Crystal structure and Hirshfeld surface analysis of two organic salts based on 1,3,4-thiadiazole derivatives

Acta Crystallographica Section E: Crystallographic Communications, 2023
During attempts to achieve interaction between 2-amino-5-ethyl-1,3,4-thiadiazole with oxalyl chloride and 5-mercapto-3-phenyl-1,3,4-thiadiazol-2-thione with various diacid anhydrides, we obtained two co-crystals (organic salts), namely, 2-amino-5-ethyl-1,
Lidiya Izotova, Gulnara Shakirzyanova, Omankul Xolbekov, Shukhrat Turageldiyev, Bahrom Babaev, Bahtiyar Ibragimov   +5 more
doaj   +1 more source

Synthesis and antiproliferative evaluation of novel 1,3,4-thiadiazole-S-alkyl derivatives based on quinazolinone

, 2023
Thirty-five novel 1,3,4-thiadiazole-S-alkyl derivatives based on quinazolinone have been designed and synthesized. The structures of the target compounds 5a − 5p and 6a − 6s were confirmed by their IR, 1H NMR, 13C NMR, HR-ESI-MS spectroscopic data.
Yanle Men (12510268), Zijian Li (339839), Xuguang Liu (1397908), Hongying Wang (327907), Baoquan Chen (2648587), Yuming Liu (610387)   +5 more
core   +1 more source

Corrosion Inhibition Effect of Substituted Thiadiazoles on Brass

International Journal of Electrochemical Science, 2011
The corrosion inhibition of thiadiazole derivatives for brass in natural seawater has been evaluated by potentiodynamic polarisation and electrochemical impedance spectroscopic techniques.
X. Joseph Raj, N. Rajendran
doaj   +1 more source

Synthesis, characterization, antimicrobial, and pharmacological evaluation of some 2, 5-disubstituted sulfonyl amino 1,3,4-oxadiazole and 2-amino-disubstituted 1,3,4-thiadiazole derivatives

Journal of Advanced Pharmaceutical Technology & Research, 2014
The presence of heterocyclic structures in diverse types of compounds, this is strongly indicative of the profound effect like structure exerts on physiologic activity, and recognition of this is abundantly reflected in efforts to find useful synthetic ...
Dilipkumar Pal, Rohit Tripathi, Desh Deepak Pandey, Preety Mishra   +3 more
doaj   +1 more source

Electrochemical Oxidation of 2,5-Dimercapto-1,3,4-thiadiazole on Carbon Electrodes Modified with Ru(III) Schiff Base Complex [PDF]

Kemija u Industriji, 2021
The thiol compound 2,5-dimercapto-1,3,4-thiadiazole is a potential cathode material. The redox reactions of the mentioned thiol compound are slow at room temperature but can be enhanced using electron transfer mediators.
Mirha Pazalja
doaj   +1 more source