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(S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid is used as a chiral derivatizing agent, it reacts with an alcohol or amine of unknown stereochemistry to form an ester or amide. The absolute configuration of the ester or amide is then determined by proton and/or 19F NMR spectroscopy.
Peter Wasserscheid; Andreas Bösmanna and Carsten Bolm. Synthesis and properties of ionic liquids derived from the chiral pool. Chem. Commun. 2002, (3), 200-201.
Dale E. Ward; Chung K. Rhee. A simple method for the microscale preparation of mosher's acid chloride. Tetrahedron Letters. 1991, 49 (32), 7165-7166.
Gefahrenhinweise (EU): H315-H319-H335
Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
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.