Results 31 to 40 of about 12,533,127 (227)
Synthesis and antimicrobial activity of some new pyrazolo[3,4-b] pyrazines and related heterocycles [PDF]
Assiut University Journal of Multidisciplinary Scientific Research, 2018 3-Methyl-1-phenyl-6-pyrrol-1-yl-1H-pyrazolo[3,4-b]pyrazine-5-carboxylic acid hydrazide (5) could be obtained in a four-step reaction starting from 6-amino-3-methyl-1-phenyl-1H-pyrazolo[3,4-b]pyrazine-4-carbonitrile 1.
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2-Amino-1,3,4-thiadiazoles as prospective agents in trypanosomiasis and other parasitoses
Acta Pharmaceutica, 2020 Parasitic diseases are a serious public health problem affecting hundreds of millions of people worldwide. African trypanosomiasis, American trypanosomiasis, leishmaniasis, malaria and toxoplasmosis are the main parasitic infections caused by protozoan ...
Serban Georgeta
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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 +3 more
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, 2016 A near-quantitative acid and/or thermal mediated ring contraction of 3′,5′-diarylspiro(benzo[d][1,3]dioxole-2,4′-[1,2,6]thiadiazines) affords 3-aryl-4-(2-arylbenzo[d][1,3]dioxol-2-yl)-1,2,5-thiadiazoles.
Andreas Kourtellaris (1693780) +2 more
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Action of 2-Amino-1, 3, 4-thiadiazole in Controlling Plant Diseases
Japanese Journal of Phytopathology, 1971 Properties of 2-amino-1, 3, 4-thiadiazole (ATDA) as rice bacterial leaf blight controlling agent were examined.This compound was effective against the disease as foliar application, and also as root application.As foliar spray, ATDA showed immediate therapeutic effect, and the duration of the effect was fairly short.When applied into paddy water, ATDA ...
Kunito YAKUSHIJI, Osamu WAKAE
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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 +3 more
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Molecules, 2011 Microwave-assisted synthesis of some novel compounds, namely, 3-(2-methyl-1H-indol-3-yl)-6-aryl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazoles 5a,b was accomplished via bromination of 2-methyl-3-[4-(arylideneamino)-5-mercapto-4H-[1,2,4]triazol-3-yl]-1H ...
Sobhi M. Gomha, Sayed M. Riyadh
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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 +6 more
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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
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A COMPUTATIONAL STUDY OF SUBSTITUENT EFFECT 1, 3, 4-THIADIAZOLE ON CORROSION INHIBITION
Azerbaijan Chemical Journal, 2023 A theoretical study of 1, 3, 4-thiadiazole with nine various derivatives in gaseous and aqueous phases was investigated by employing the density functional theory (DFT) at 6-311++(d, p) basis set and Becke’s three parameters hybrid exchange-correlation functional (B3LYP).
Mohammad Qadr Hiwa, Mustafa Mamand Dyari
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