Task: Translation
Input (Czech): Zp sob p° pravy 4,6-dichlorpyrimidinu spo  vaj c  v reakci 4,6-dihydroxypyrimidinu s fosgenem v p° tomnosti b ze vybran  ze skupiny zahrnuj c  terci rn  aminy obecn ho vzorce R.sup.1.n.R.sup.2.n.R.sup.3.n.N, kde R.sup.1.n., R.sup.2 .n.a R.sup.3.n. nez visle na sob  p°edstavuj  v dy alkylovou skupinu s 1 a  10 atomy uhl ku, fenylovou skupinu, zbytek aromatick ho 3- a  7- lenn ho kruhu obsahuj c ho uhl k a dus k, nebo fenylalkylovou skupinu s 1 a  4 atomy uhl ku v alkylov    sti, a aminy, kter²mi jsou nasycen  nebo nenasycen  3- a  7- lenn  kruhy obsahuj c  uhl k a dus k, pop° pad  substituovan  alkylovou skupinou s 1 a  10 atomy uhl ku, p°i em  mol rn  pom r b ze k fosgenu je v rozmez  1:90 a  10:1 a p°i em  reakce se pop° pad  prov d  v p° tomnosti rozpou t dla.\
Output (English): The process for the preparation of 4,6-dichloropyrimidine in the reaction of 4,6-dihydroxypyrimidine with phosgene in the present form is selected from the group consisting of tertiary amines of the general formula R.sup.1. .Nn, where R.sup.1, R.sup.2. wherein the alkyl group has 1 and 10 carbon atoms, a phenyl group, an aromatic 3- and 7-membered ring radical containing a carbon atom, or a phenylalkyl group having 1 and 4 carbon atoms and the amines which are saturated or unsaturated with the 3- and 7-membered rings containing the carbon atom and the alkyl group substituted with an alkyl group of 1 and 10 carbon atoms; the phosgene is in the range of 1:90 and 10: 1, and the reaction is thus due to the solvent.