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2,3-Butanedione is used to form triazine and pteridine ring systems by cyclocondensation with amines. It is also used to inactivate aminopeptidase-N and acts as a precursor to alpha-diones. It finds use in alcoholic beverages, foods, to modify arginyl residues in proteins and to give a buttery flavor to microwave popcorns.
Sensitizer for the photochemical epoxidation of alkenes: J. Am. Chem. Soc., 98, 4193 (1976).
Like 1,2-Cyclohexanedione, A14401, has been used by Ley's group in combination with trimethyl orthoformate and camphorsulfonic acid for the protection of trans-1,2-diols as cyclic diacetals. The method is particularly applicable to the carbohydrate field: Synlett, 793 (1996); J. Chem. Soc., Perkin 1, 2023 (1997). See also 9,10-Phenanthrenequinone, A11762.
El-Sayed, A. E.; Al-Fulaij, O. A.; Elaasar, A. A.; El-Defrawy, M. M.; El-Asmy, A. A. Spectroscopic characterization and biological activity of dihydrazone transition metal complexes: Crystal structure of 2, 3-butanedione bis (isonicotinylhydrazone). Spectrochim. Acta Mol. Biomol. Spectrosc. 2015, 135, 211-218.
Mikhailov, O. V.; Chachkov, D. V. Molecular structures of asymmetric (555) macrotricyclic chelates formed in 3d metal ion-ethanedithioamide-hydrazinomethanethioamide-2, 3-butanedione quaternary systems. Russ. J. Inorg. Chem. 2015, 60 (2), 187-193.
Gefahrenhinweise (EU): H225-H302-H331-H315-H318
Highly flammable liquid and vapour. Harmful if swallowed. Toxic if inhaled. Causes skin irritation. Causes serious eye damage.
Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid breathing dust/fume/gas/mist/vapours/spray. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.