Bayer Aktiengesellschaft

Siegbert Arnold

Richard Sommer

Manfred Hoppe

Hans-Georg Frosch

Wolfgang Mullers

Wolfram Reddig

Horst Ja/ Ger

2,4,6-trifluoro-5-chloro-pyrimidine and the aqueous solution of a salt of 2-amino-5-aminomethyl-naphthalene-1-sulphonic acid are simultaneously metered into a reactor in approximately equimolar amounts and afford a valuable intermediate for the preparation of high-purity dyes.

Process for the preparation of a substituted 2-amino-1-sulphonaphthalene

A process for the continuous reaction of halogenopyrimidines with amines, a halogenopyrimidine and an aqueous amine solution or suspension being passed into a reactor and the reaction product being subsequently conducted away, is described, characterized in that the starting materials are introduced into the reactor simultaneously and continuously with intensive mixing.

Process for the continuous reaction of halogenopyrimidines with amines

Difluorotriazinyl compounds of the formula ##STR1## are continuously reacted in a reactor with amines in solution or suspension.

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Bonn, Germany

Siegbert Arnold