Bayer Aktiengesellschaft

Andreas Gunther

Bernd Gallenkamp

Thomas Schmidt

Karl-Heinrich Mohrmann

Manfred Lenthe

James R Malone

Hans-Walter Hohl

In the chlorination of the side chain of an alkylated nitrogen heteroaromatic such as pyridine or pyrimidine by reaction with elemental chlorine, the reaction is effected in acetronitrile as solvent.

Side-chain chlorination of alkylated nitrogen heteroaromatics

The novel process ##STR1## gives the end products, known as animal growth-promoters and coccidiostatics. Intermediates II are new.

Process for preparing 1,3,5-triazinetriones

The novel process ##STR1## gives the end products, known as animal growth-promoters and cooccidiostatics. Intermediates II are new.

In the preparation of a 2-arylamino-4,6-dichloro-s-triazine of the formula ##STR1## in which R.sup.1 is an optionally substituted aryl radical, and

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Cologne, Germany

Andreas Gunther