Results 101 to 110 of about 4,281 (225)

Recent Advances in the Denitrogenative Annulation Reactions of 1,2,3-Thiadiazoles

1,2,3-Thiadiazoles exhibit versatile reactivity due to their ability to undergo ring cleavage, forming α-diazothione species through a Dimroth-type equilibrium.
Sinead T Keaveney (20250621), Marina A Tokareva (20250615), Tatiana V Glukhareva (20250618)   +2 more
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Synthesis and properties of nitrogen-containing 1,2,3-thiadiazoles [PDF]

, 2013
Одно из наиболее перспективных направлений в развитии химии гетероциклических соединений представляет собой синтез и изучение химических свойств и биологической активности моно- и бициклических систем на основе 1,2,3-тиадиазолов.
Kalinina, T. A., Калинина, Т. А.   +1 more
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Synthesis, Characterization, and Antimicrobial Properties of New 1,3,4‐Thiadiazoles Derived from Azo Dyes

, 2019
Some new 1,3,4‐thiadiazoles derived from azo dyes were synthesized. Two different synthesis methods were used for these compounds: Esters pertaining to the azo dyes were converted into 1,3,4‐thiadiazoles, or benzothiazole ester derivatives were converted
Gür, Mahmut, Mahmut Gür
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A one-pot multistep cyclization yielding thiadiazoloimidazole derivatives

Beilstein Journal of Organic Chemistry, 2014
A versatile synthetic procedure is described to prepare the benzimidazole-fused 1,2,4-thiadiazoles 2a–c via a methanesulfonyl chloride initiated multistep cyclization involving the intramolecular reaction of an in-situ generated carbodiimide with a ...
Debabrata Samanta, Anup Rana, Jan W. Bats, Michael Schmittel   +3 more
doaj   +1 more source

Unfused Heterobicycles as Amplifiers of Phleomycin. VII> Some Bithiazoles; Thienyl-, Furanyl- and Thiazolyl-thiadiazoles and Related Oxadiazoles

, 1985
Syntheses are described for several unfused heterobicycles including 4,5′- and 2,4′-bithiazoles, 5-(thiazol-4′ and 5′-yl)-1,3,4- thiadiazoles , 5-(thien-2′-yl)-, 5-(furan-2′ and 3′-yl)-, thiadiazoles and related oxadiazoles, all with side chains ...
SJ Sullivan, DJ Brown, WB Cowden
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Synthesis and antiproliferative studies of 5-aryl-2-(3-thienylamino)-1,3,4- thiadiazoles

, 2014
A series of 5-aryl-2-(3-thienylamino)-1,3,4-thiadiazoles 3a-m were synthesized in good yields in two steps starting from thiophen-3- isothiocyanates.
Gadais, Charlène, Kirsch, Gilbert, Revelant, Germain, Mathieu, Véronique, Hesse, Stéphanie   +4 more
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The palladium-catalyzed cross-coupling reactions of 3-chloro-4-halogeno-1,2,5-thiadiazoles

, 2003
3,4-Dichloro- and 3-chloro-4-halogeno-1,2,5-thiadiazoles (halogeno-: bromo- and iodo-) are involved in Pd-catalyzed cross-coupling reactions under Stille and Suzuki conditions.
Alain Merschaert, Merschaert, A., Hugo J. Gorissen, Gorissen, HJ.   +3 more
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Thiadiazoles: Molecules of diverse applications -A review

, 2013
Thiadiazoles are an important class of heterocyclic compounds that exhibit diverse applications in organic synthesis, pharmaceutical and biological applications.
Renuka, N., Vasanth Kumar, G., Ajay Kumar, K.   +2 more
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A New Synthesis of Benzo[b]thiophene-2-thiolates and Their Derivatives via Base-Promoted Transformation of 4‑(2-Mercaptophenyl)-1,2,3-thiadiazoles

, 2016
A reaction of 4-(2-mercaptophenyl)-1,2,3-thiadiazoles with an oxidant in the presence of 1.1 equiv of base afforded good yields of benzo[4,5]thieno[3,2-d][1,2,3]thiadiazoles via the intramolecular oxidative nucleophilic substitution of a hydrogen (ONHS ...
Dmitry A. Androsov (1930636), Fedor S. Teplyakov (1930642), Mikhail L. Petrov (1930633), Tatiana G. Vasileva (1930639)   +3 more
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The Activity of a Thiadiazole on Mycobacterium leprae

Experimental Biology and Medicine, 1976
SummaryA new broad-spectrum antimicrobial, 2-amino-5-(l-methyl-5-nitro-2-imi-dazolyl)-1,3,4-thiadiazole, reported inactive against Mycobacterium tuberculosis, inhibited multiplication of M. leprae in the mouse foot pad when administered orally to the mice.
openaire   +2 more sources