2 | 4 | 6-Trichloro Pyrimidine (CAS 3764-01-0) como impureza presenta alta reactividad electrofílica por la sustitución de halógenos | lo que impacta en perfiles de impurezas y formación de subproductos durante síntesis y almacenamiento. Su identificación exige técnicas analíticas robustas como GC | HPLC con detector UV | LC-MS y resonancia magnética nuclear para corroborar patrones de cloro y masa isotópica. La impureza muestra solubilidad limitada en disolventes polares y estabilidad reducida frente a humedad y nucleófilos | por lo que es crítico definir límites de aceptación | condiciones de muestreo y procedimientos de eliminación. Evaluaciones toxicológicas | control de trazas y protocolos de neutralización minimizan riesgos en calidad y procesos regulatorios.
Referencias
Zucca, Cristina, et al. “Regioselective Solid-Phase 4-Amino-De-Chlorination of 2, 4, 6-Trichloropyrimidine by Resin-Supported N -Potassium Carbamates.† Tetrahedron Letters, vol. 42, no. 6, Feb. 2001, pp. 1033–35, https://doi.org/10.1016/s0040-4039(00)02173-0.
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