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3-Methylsalicylic acid was used in the synthesis of 8-methyl-2-thioxo-2,3-dihydro-4H-1,3-benzoxazin-4-one, 7-hydroxy-8-methyl-2-thioxo-2,3-dihydro-4H-1,3-benzoxazin-4-one, (R)-, (S)- and (RS)-hydroxymethylmexiletine.
Pritchard KM, et al. Generalized Method for the Production of 1, 3-Benzoxazine, 1, 3-Benzothiazine, and Quinazoline Derivatives from 2-(Hydroxy, Thio, or Amino) Aromatic Acids Using Triphenylphosphine Thiocyanogen.. Synth. Commun. 2005 , 35 (2), 1601-11.
Cavalluzzi MM, et al.. Synthesis of (R)-, (S)-, and (RS)-hydroxymethylmexiletine, one of the major metabolites of mexiletine.. Tetrahedron Asymmetry 2007, 18 (20), 2409-17.
Dichiarazioni di rischio (UE): H302-H315-H318-H335
Harmful if swallowed. Causes skin irritation. Causes serious eye damage. May cause respiratory irritation.
Dichiarazioni precauzionali: 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.