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Lithiation with lithium 2,2,6,6-tetramethylpiperidide (LTMP) at -75o occurs at the 4-position, affording 4-bromo-2,6-difluorobenzoic acid in 84% yield after carboxylation: Tetrahedron Lett., 37, 6551 (1996)./n
Gefahrenhinweise (EU): H226-H302-H315-H317-H373
Flammable liquid and vapour. Harmful if swallowed. Causes skin irritation. May cause an allergic skin reaction. May cause damage to organs through prolonged or repeated exposure.
Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not breathe dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. Ground/bond container and receiving equipment. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. Dispose of contents/container in accordance with local/regional/national/international regulations.