P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
Description
Reacts with nitrile oxides, prepared in situ by the action of POCl3 on aliphatic nitro-compounds, to give 3-alkyl-5-methyl-4-isoxazolecarboxylates, useful in annulation (see Ethyl 3-ethyl-5-methyl isoxazole-4-carboxyl ate) .