METHOD OF PREPARING 4,6-DICHLORO PYRIMIDES

METHOD OF PREPARING 4,6-DICHLORO PYRIMIDES

The reaction takes place using a ratio of 0.7 mol, OH gps. to 1.3 mol. of chlorine, ensuring that there is always an excess of phosphorus trichloride w.r.t. chlorine. The phosphorus trichloride and phosphoroxychloride are then removed.

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Bibliographische Detailangaben
Hauptverfasser: KAESS,VOLKER, STEFFAN,GUIDO, CRAMM,GUENTHER
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The reaction takes place using a ratio of 0.7 mol, OH gps. to 1.3 mol. of chlorine, ensuring that there is always an excess of phosphorus trichloride w.r.t. chlorine. The phosphorus trichloride and phosphoroxychloride are then removed.