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Of them, 1,3,4-thiadiazole is the most common, appearing in such medications as cephazolin and acetazolamide. [ 1 ] [ 2 ] [ 3 ] In the Hurd-Mori reaction , an acyl hydrazone reacts with thionyl chloride or selenium dioxide to give a 1‑thia- or 1‑selena-2,3‑diazole.
2,1,3-Benzothiadiazole has been of interest as a redox-active organic component in flow batteries owing to its favourable solubility, low reduction potential and fast electrochemical kinetics. [ 15 ] Such properties in derivatives containing this heterocycle have made it of growing interest in dyestuffs , [ 16 ] white light-emitting polymers ...
1,2,3-benzothiadiazole is much less nucleophilic than naphthalene. Nitration is slow. [8] For that reason, many of its simple derivatives have been made from 2-aminothiophenols already having additional substituents. [7] 1,2,3-benzothiadiazole is a very weak base and alkylation reactions give exclusively the 3-amino quaternary salt. [9]
The Hurd–Mori 1,2,3-thiadiazole synthesis is a name reaction in organic chemistry that allows for the generation of 1,2,3-thiadiazoles through the reaction of hydrazone derivatives with an N-acyl or N-tosyl group reacted with thionyl chloride.
1,2,5-thiadiazole. 1,3,4-thiadiazole. Use as antifungal agents. Skeletal formula of fluconazole - an antifungal medication. The search for antifungal agents with ...
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Benzothiazole, or more specifically 1,3-benzothiazole, is an aromatic heterocyclic compound with the chemical formula C 7 H 5 NS.It is colorless, slightly viscous liquid. Although the parent compound, benzothiazole is not widely used, many of its derivatives are found in commercial products or in
This intermediate, as its hydrochloride salt, is treated with sodium nitrite in water to give 7-methoxycarbonyl-1,2,3-benzothiadiazole in 86% yield after recrystallization. Conversion of the ester into the thioester is by hydrolysis to form the free carboxylic acid followed by its conversion to the S -methyl thioester in a standard chemical ...