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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.
Skeletal formula of 1,3,4-thiadiazole, C 2 H 2 N 2 S: Date: 11 April 2008: Source: Own work: Author: Ben Mills: Permission (Reusing this file) Public domain Public ...
Thiazole (/ ˈ θ aɪ. ə z oʊ l /), or 1,3-thiazole, is a 5-membered heterocyclic compound that contains both sulfur and nitrogen. The term 'thiazole' also refers to a large family of derivatives. Thiazole itself is a pale yellow liquid with a pyridine-like odor and the molecular formula C 3 H 3 NS. [2]
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 ...
[1] [2] Variation of substituents at the 2nd and 4th position of the thiazole is introduced by selecting different combinations of starting reagents. [ 2 ] This reaction was first discovered in 1947 by Alan H. Cook, Sir Ian Heilbron, and A.L Levy, and marks one of the first examples of 5-aminothiazole synthesis with significant yield and ...
Bromination of 2,1,3-Benzothiadiazole is commonly performed to synthesize 4,7-dibromo-2,1,3-benzothiadiazole. This derivative is extensively used as building block in the design and synthesis of larger molecules and conductive polymers via Suzuki-Miyaura cross-coupling reactions. [9]
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 following other wikis use this file: Usage on ar.wikipedia.org آزولات; ثياديازول; Usage on de.wikipedia.org Kategorie:Thiadiazol