Pyridine derivatives and the N-oxides thereof, and the use there

Details Pyridine derivatives and the N-oxides thereof, and the use there Pyridine derivatives and the N-oxides thereof, and the use there

1986-12-19

1988-07-12

Ford, John M.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 86, 71 94, 546 22, 546 24, 546290, 546293, 546294, 546296, 546297, 546300, 546301, 546302, 546303, 546304, 546307, 546311, 546312, 534616, 534771, A01N 4340, C07F 928, C07D21360, C07D21362

Patent

active

047567392

ABSTRACT:
The compounds of the formula I ##STR1## in which A denotes N or N.fwdarw.O, Z denotes O or NH, R denotes H, (halo)alkyl, (halo)alkenyl, (halo)alkynyl or alkoxycarbonyl, R.sup.1 denotes hydrogen, halogen, amino, --NHOH, hydroxyl, (substituted) phenylazo or a radical of the formulae Y=C=N--, Y.sup.1 Y.sup.2 C.dbd.N--, Y.sup.3 NH-- or ##STR2## K denotes 0 or 1, and m and n, independently of one another, denote a number from 1 to 4, with the proviso that, when Z-R denotes OH or NH.sub.2, (R.sup.1).sub.n denotes at least one radical of the formula ##STR3## or represents two radicals, in the 5 or 6 position of the heterocyclic ring, which, in the 5 position, denote halogen and, in the 6 position, denote a radical of the group comprising halogen, amino, hydroxyl or phenylazo, which may be substituted as specified above, are valuable intermediates in the synthesis of plant protection agents.

REFERENCES:
patent: 3810752 (1974-05-01), Wilcox
patent: 4503061 (1985-03-01), Bristol et al.

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