C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 239/42 (2006.01)
Patent
CA 2149273
Process for the preparation of 2-amino-4,6- dichloropyrimidine by reaction of 2-amino-4,6-dihydroxy- pyrim;dine with an excess of phosphorus oxychloride at 20 to 80°C and in the presence of triethylamine as the acid- trapping agent.
Altreiter Johann
Schwarz Franz-Thomas
Dsm Fine Chemicals Austria Nfg Gmbh & Co Kg.
Riches Mckenzie & Herbert Llp
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