Impureza 1-(isopropylamino)-3-(4-vinylphenoxy)propan-2-ol (CAS 933468-54-3) se identifica como un subproducto frecuente en síntesis de éteres fenoxílicos; presenta un grupo alcohol secundario y una amina isopropílica que confieren polaridad moderada y basicidad | además de un grupo vinílico susceptible a polimerización y que puede formar sales con ácidos | mostrando solubilidad en disolventes orgánicos polares como metanol y acetonitrilo. Su presencia a niveles traza afecta parámetros de pureza y perfil de impurezas relacionadas | pudiendo interferir en cromatogramas HPLC y en espectros NMR. Se recomienda monitorizarlo mediante HPLC-UV/RI | LC-MS o GC-MS tras derivatización y controlar su eliminación por extracción ácido-base y cromatografía preparativa para cumplir especificaciones analíticas y de calidad.
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