Impureza 4-(8-amino-3-(3 | 4-dihidro-2H-pirrol-5-il)imidazo[1 | 5-a]pirazín-1-il)-N-(piridin-2-il)benzamida (CAS 2230757-49-8) presenta un núcleo heterocíclico policondensado con centros básicos y un grupo benzamida que condicionan su polaridad y comportamiento cromatográfico. Esta entidad tiende a ionizarse bien en ESI positivo y muestra absorción UV significativa cerca de 254 nm | lo que facilita su detección por LC-UV y LC-MS. Su origen suele atribuirse a subreacciones de ciclación incompleta o aminólisis parciales durante síntesis | generando isómeros y derivados parcialmente reducidos. Se recomienda caracterización por 1H y 13C NMR | HRMS y métodos LC validados | así como un plan de control de impurezas conforme a directrices regulatorias.
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![4-(8-amino-3-(3,4-dihydro-2H-pyrrol-5-yl)imidazo[1,5-a]pyrazin-1-yl)-N-(pyridin-2-yl)benzamide](https://veeprho.com/wp-content/uploads/2025/03/VE0023232-4-8-amino-3-3-4-dihydro-2H-pyrrol-5-yl-imidazo-1-5-a-pyrazin-1-yl-N-pyridin-2-yl-benzamide-sqr.png "4-(8-amino-3-(3,4-dihydro-2H-pyrrol-5-yl)imidazo[1,5-a]pyrazin-1-yl)-N-(pyridin-2-yl)benzamide")
