2-phenylpyridazin-3-one compounds, their preparation and their u

Details 2-phenylpyridazin-3-one compounds, their preparation and their u 2-phenylpyridazin-3-one compounds, their preparation and their u

1989-03-09

1990-07-17

Daus, Donald G.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 90, 544238, 544240, A01N 4358, C07D23714

Patent

active

049419110

ABSTRACT:
2-Phenylpyridazin-3-one compounds of the formulae ##STR1## where R is C.sub.1 -C.sub.8 -alkyl; substituted or unsubstituted benzyl; substituted or unsubstituted C.sub.3 -C.sub.8 -cycloalkyl; a 4- to 6-membered heteroaliphatic ring containing an oxygen or a sulfur atom or an N--CH.sub.3 group as ring member; substituted or unsubstituted styryl; a substituted or unsubstituted 5- or 6-membered aromatic or heteroaromatic ring which may be benzofused, processes for their manufacture, and their use.

REFERENCES:
patent: 3849107 (1974-11-01), Fischer et al.
patent: 4132541 (1979-01-01), Hashimoto
patent: 4366189 (1980-12-01), Burdeska et al.
patent: 4523946 (1985-06-01), Parg et al.
patent: 4576630 (1986-03-01), Parg et al.
patent: 4844729 (1989-07-01), Becker et al.

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