Ciba-Geigy Corporation

Roger K Huff

Manfred Kuhne

Jean J Gallay

New diazine derivatives corresponding to the formula ##STR1## wherein R.sub.1 denotes a heterocyclic-aromatic radical which is optionally substituted by halogen, lower alkyl, aryl, nitro, cyano, trifluoromethyl, carboxyl, R.sub.3 OOC--, (R.sub.3).sub.2 NCO--, (R.sub.3).sub.2 N--, R.sub.3 O--, R.sub.3 SO.sub.2 --, R.sub.3 SO-- or R.sub.3 S--, and R.sub.2 and R.sub.3 independently of one another denote lower alkyl, alkoxyalkyl, alkenyl or cycloalkyl which is optionally bonded via an alkylene bridge, processes for the production of the new compounds, compositions containing these compounds and a process for combating Coccidia.

Heterocyclic-substituted 1,3,5-oxadiazin-2-one compounds useful for

Substituted 6-phenyl-oxa(thia)-diazin-6-one derivatives according to the formulae Ia and Ib described hereinafter are very effective coccidiostatics and selective herbicides.

Growing community of inventors

Wokingham, United Kingdom

Roger K Huff