Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1985-08-26
1988-06-28
Rotman, Alan L.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
546339, 546344, 546346, C07D21326, C07D21330, A01N 4340
Patent
active
047539470
ABSTRACT:
Novel pyridine and pyrazine derivatives of the formula ##STR1## wherein R.sup.4 is 3-pyridyl, 3-pyridyl-1-oxide, 2-pyrazinyl, 2-pyrazinyl-1-oxide, 2-pyrazinyl-4-oxide or 2-pyrazinyl-1,4-dioxide, and R, R.sup.1, R.sup.2 and R.sup.3 are as hereinafter set forth, processes for their preparation, fungicidal compositions containing said compounds, and methods for the use of such compounds or compositions for combatting fungi in agriculture and in horticulture are disclosed. Novel starting materials and fungicidal active substances of the formula ##STR2## wherein R.sup.4' is 3-pyridyl or 2-pyrazinyl, and R and R.sup.1" as hereinafter set forth, which are used for the preparation of the compounds of formula I, and their N-oxides, as well as fungicidal compositions containing these compounds as the active substance, are also described.
REFERENCES:
patent: 4431812 (1984-02-01), Buschmann et al.
patent: 4556661 (1985-12-01), Dorn et al.
patent: 4699652 (1987-10-01), Zehnder
Dorn Franz
Montavon Francois
Suchy Milos
Gould George M.
Hoffmann-La Roche Inc.
Rotman Alan L.
Saxe Jon S.
Tramaloni Dennis P.
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