Preparation process of 2-chloro pyrimidine

Details Preparation process of 2-chloro pyrimidine Preparation process of 2-chloro pyrimidine

C - Chemistry, Metallurgy

07

D

260/251

C07D 239/30 (2006.01)

Patent

CA 1097640

A B S T R A C T Preparation process of 2-chloro pyrimidine from 2-amino pyrimidine, hydrochloric acid and an alkali metal nitrite, the reagents being in substantially similar propor- tions as in the previously known methods, consisting in pre- paring a mixture of hydrochloric acid and of a non-polar solvent of low boiling point, then adding 2-amino pyrimidine wherein there is slowly added, at room temperature, the chloride of a metal selected from the group consisting of the titanium, iron, copper and zinc, then introduced, under an inert gas circulation, the selected nitrite at a temperature not exceeding 10°C and finally poured the reaction mixture in iced water.

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