Amine salts of phenyl-4-hydroxypyridazines and the preparation a

Details Amine salts of phenyl-4-hydroxypyridazines and the preparation a Amine salts of phenyl-4-hydroxypyridazines and the preparation a

1975-12-16

1977-11-15

Rollins, Alton D.

Chemistry: fertilizers

Processes and products

Forms or conditioning

260250A, 260250AH, 71 90, 544109, A01N 924, C07D23714

Patent

active

040583902

ABSTRACT:
Amine salts of 3-phenyl-6-halo-4-hydroxypyridazines of the formula: ##STR1## in which X is a chlorine or bromine atom, R.sub.1 is an alkyl group containing up to 14 carbon atoms, which group may be substituted by a hydroxy group, an alkoxy group containing up to 10 carbon atoms, cyano group, amino group or lower mono- or lower dialkylamino group, an alkenyl group containing up to 6 carbon atoms or a cycloalkyl group containing 5, 6 or 7 carbon atoms, and R.sub.2 and R.sub.3 have the same meaning as R.sub.1 or each is a hydrogen atom, or R.sub.1 and R.sub.2 together with the nitrogen atom of the amine form a 5- or 6-membered heterocyclic group which may also contain oxygen and which may be mono- or di- substituted by alkyl, and herbicidal compositions containing them.

REFERENCES:
patent: 2805926 (1957-09-01), Schoene
patent: 3790571 (1974-02-01), Diskus

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