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Ethyl 5-bromo-1,2,3-thiadiazole-4-carboxylate is used in the preparation of fused 1,3,6- thiadiazepines such as di[1,2,3]triazolo[1,5-a:5',1'-d][3,1,5]benzothiadiazepines.
Volkova, N. N.; Tarasov, E. V.; Kodess, M. I.; Van Meervelt, L.; Dehaen, W.; Bakulev, V. A. Reaction of 5-halo-1, 2, 3-thiadiazoles with aliphatic diamines. Synthesis and intramolecular cyclization of bis(1, 2, 3-triazolyl-1, 2, 3-thiadiazolyl)sulfides. Org. Biomol. Chem. 2003, 1 (22), 4030-4038.
Hazard Statements: H315-H319-H335
Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statements: P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.