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|Formula:||C6H2Br4O||Melting point:||ca 125° dec.|
Selectively monobrominates phenols and unprotected arylamines mainly at the para position: J. Chem. Soc. (C), 3652 (1971). For tabulated results for the p-bromination of arylamines, see: Org. Synth. Coll., 6, 181 (1988).
ɑß-Unsaturated methyl ketones are brominated selectively at the methyl group: Tetrahedron, 29, 1625 (1973).
Reacts selectively with the terminal double bonds of polyenes: Chem. Lett., 283 (1976); Tetrahedron Lett., 26, 343 (1985). In aqueous systems, the products are the bromohydrins or, in methanol, their methyl ethers: Synthesis, 605 (1978) and references therein.
For selective monobromination of imidazoles and indoles, see: J. Chem. Soc., Perkin 1, 2567 (1972).
In combination with PPh3, can be used to convert alcohols and THP ethers to bromides with inversion of configuration: Tetrahedron Lett., 38, 1955 (1997). Silyl ethers also behave similarly: Tetrahedron Lett., 38, 7223 (1997).
Versatile catalyst for acetalization and transacetalization of carbonyl compounds, preparation of acetonides from epoxides, and acylals from aldehydes: Bull. Chem. Soc. Jpn., 75, 2195 (2002).
|Harmonized Tariff Code:||2934.99|
GHS Hazard and Precautionary Statements
Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/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.
Risk & Safety
|Irritating to eyes, respiratory system and skin.|
|In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable gloves.|