Results 31 to 40 of about 3,896 (275)

4-Bromobenzo[1,2-d:4,5-d′]bis([1,2,3]thiadiazole)

Molbank, 2022
Bromoderivatives of benzofused 1,2,5-thiadiazoles are important precursors for the synthesis of dyes, which are widely used to design effective photovoltaic materials.
Timofey N. Chmovzh, Daria A. Alekhina, Timofey A. Kudryashev, Oleg A. Rakitin   +3 more
doaj   +1 more source

Synthesis and characterization of some novel 1,2,4-triazoles, 1,3,4-thiadiazoles and Schiff\u27s bases incorporating imidazole moiety as potential antimicrobial agents [PDF]

, 2015
(1,4,5-Triphenylimidazol-2-yl-thio)butyric acid hydrazide (3) was obtained via alkylation of 1,4,5-triphenylimidazol-2-thiol (1) with ethylbromobutyrate, followed by addition of hydrazine hydrate. Treatment of acid hydrazide 3 with carbon disulfide in an
ADEEB AL-SHEIKH ALI, ALAIN LESIMPLE, MOHAMED REDA AOUAD, MOUSLIM MESSALI, NADJET REZKI   +4 more
core   +3 more sources

I2/DMSO-Catalyzed Transformation of N-tosylhydrazones to 1,2,3-thiadiazoles

Frontiers in Chemistry, 2020
An iodine/DMSO catalyzed selective cyclization of N-tosylhydrazones with sulfur without adding external oxidant was developed for the synthesis of 4-aryl-1,2,3-thiadiazoles.
Weiwei Li, Jun Zhang, Jing He, Liang Xu, Luigi Vaccaro, Ping Liu, Yanlong Gu   +6 more
doaj   +1 more source

A convenient, rapid microwave assisted synthesis of some novel 3-[(4-chloro-3-methylphenoxy)methyl]-6-aryl-5,6-dihydro-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazoles using acidic alumina

Journal of Saudi Chemical Society, 2010
A facile synthesis of 3-[(4-chloro-3-methylphenoxy)methyl]-6-aryl-5,6-dihydro-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazoles 3a–n has been achieved by microwave promoted condensation of 3-mercapto-4-amino-5-[(4-chloro-3-methylphenoxy)methyl]-4H-1,2,4-triazole
Jignesh P. Raval, Hemul V. Patel, Pradip S. Patel, Kishor R. Desai   +3 more
doaj   +1 more source

Design, synthesis, characterization and computational docking studies of novel sulfonamide derivatives [PDF]

This study reports three novel sulfonamide derivatives 4-Chloro-N-[(4-methylphenyl) sulphonyl]-N-propyl ben- zamide (1A), N-(2-hydroxyphenyl)-4-methyl benzene sulfonamide (1B) and 4-methyl-N-(2-nitrophenyl) ben- zene sulfonamide (1C).
Ashiq, Ayesha, Bokhari, Saleem Ahmed, Khalid, Rana Rehan, Maryam, Arooma, Qureshi, Fahim Ashraf, Rauf, Sadaf Abdul, Saleem, Hira, Siddiqi, Abdul Rauf   +7 more
core   +1 more source

Bazı piridin türevi 1,3,4-tiyadiazol bileşiklerinin eldesi ve mikrobiyolojik özelliklerinin incelenmesi [PDF]

, 2021
Piridin karboksilik asit türevleri ile iki farklı tiyosemikarbazid türevi arasındaki reaksiyondan dokuz yeni 1,3,4 tiyadiazol bileşiği sentezlendi. Sentezlenen bileşiklerin yapıları, 1 H-NMR, FT-IR gibi spektroskopik yöntemlerle ve element analizi ...
Aldwıb, Aıman Emhemad Omeran
core   +1 more source

Design, synthesis, and biological investigation of oxadiazolyl, thiadiazolyl, and pyrimidinyl linked antipyrine derivatives as potential non-acidic anti-inflammatory agents

Journal of Enzyme Inhibition and Medicinal Chemistry, 2023
A novel series of 12 antipyrine derivatives containing 1,3,4-oxadiazoles (4a-d), 1,3,4-thiadiazoles (6a-d), and pyrimidines (8a-d), was preparedand assessed for its potential in vitro COX-2 inhibitors.
Mohammad M. Al-Sanea, Abdelrahman Hamdi, Simone Brogi, Samar S. Tawfik, Dina I. A. Othman, Mahmoud Elshal, Hidayat Ur Rahman, Della G. T. Parambi, Rehab M. Elbargisy, Samy Selim, Ehab M. Mostafa, Ahmed A. B. Mohamed   +11 more
doaj   +1 more source

SPECTRAL EVALUATION AND ANTIMICROBIAL ACTIVITY OF SYNTHESIZED 4H-1,4-BENZOTHIAZINES [PDF]

, 2021
Objective: 4H-1,4-Benzothiazines constitute an important class of heterocycles containing 1,4-thiazine ring fused to benzene ring. They are extensively used as tranquilizer, antispasmodic, central nervous system depressant, antiulcer, antibacterial ...
GOYAL, ARUN
core   +1 more source

Triazolo [3, 4-b] [1, 3, 4] thiadiazoles

, 1982
Chemistry Department, Panjab University, Chandigarh- 160 014 Manuscript received 29 September 1981, accepted 11 March 1982 Triazolo [3, 4-b] [1, 3, 4 ...
H. K. GAKHAR, ANJU JAIN, SHASHI BHUSHAN GUPTA   +2 more
openaire   +1 more source

Novel Synthetic Derivatives of Substituted Amino -1, 2, 4-Thiadiazoles

International Journal of Chemical and Physical Sciences, 2012
A novel series of 3-amino-5-substituted amino-1,2,4-thiadiazoles (5a-f) and 3substituted thiocarbamido-5-substituted amino-1,2,4-thiadiazoles (6a-f) have been obtained by the oxidative cyclization of 1-substituted-3-formamidinothiocarbamide 1 (3af) and 1,3-bis(substitutedthioamido)-guanidine 1 (4a-f) with bromine respectively.
M.E. Shelke, J.S. Waghmare
openaire   +1 more source