4-aminopyrimidinones and oxazolidino-4-aminopyrimidinones, process for their preparation and their use for stabilizing halogen-containing polymers

摘要

The invention relates to 4-aminopyrimidinediones and oxazolidino-4-aminopyrimidinediones of the formula I and II given below, a process for their preparation, their use for stabilizing halogen-containing polymers, and compositions composed of compounds of the formula I or II and of chlorine-containing polymers, in particular PVC.