Pyridazinone derivatives and their use as fungicides

Details Pyridazinone derivatives and their use as fungicides Pyridazinone derivatives and their use as fungicides

1985-07-11

1989-04-11

Springer, David B.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

514252, 544239, 544240, C07D23714, A01N 4358

Patent

active

048207047

ABSTRACT:
Pyridazinone derivatives of the formula ##STR1## where R.sup.1 is alkyl, alkenyl, cycloalkyl or unsubstituted or substituted phenyl, R.sup.2 is chlorine or bromine, R.sup.3 is hydrogen, alkyl, cycloalkyl or unsubstituted or substituted phenyl and X is SO or SO.sub.2, with the proviso that R.sup.1 is not methyl when X is SO.sub.2, R.sup.2 is chlorine and R.sup.3 is phenyl, and fungicides containing these compounds.

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patent: 3063824 (1962-11-01), Curtis et al.
patent: 3137696 (1964-06-01), Reicheneder et al.
patent: 3186904 (1965-07-01), Stevenson et al.
patent: 4089964 (1978-05-01), Sugiyama et al.
The Agrochemicals Handbook, 2nd Ed., Royal Society of Chemistry, Nottingham, England, Aug. 1987.
Chemical Abstracts, vol. 90, 1979, 87377h.
Chemical Abstracts, vol. 70, 1969, 68398m.
Chemical Abstracts, vol. 70, 1969, 68397k.
Chemical Abstracts, vol. 88, 1978, 37821m.
Chemical Abstracts, vol. 87, 1977, 201567k.
Chemical Abstracts, vol. 75, 1971, 129060x.
Chemical Abstracts, vol. 72, 1970, 55374s.
Takahashi et al, Yakugaku Zasshi, vol. 89 (1969), pp. 1516-1527.

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