2-phenoxyprimidine derivative and herbicidal composition

Details 2-phenoxyprimidine derivative and herbicidal composition 2-phenoxyprimidine derivative and herbicidal composition

1990-04-19

1991-05-28

Shen, Cecilia

Chemistry: fertilizers

Processes and products

Forms or conditioning

544299, 544300, 544301, 544302, 544303, 544312, 544313, 544314, 544315, 544316, 544318, A01N 4354, C07D23934, C07D23952, C07D23960

Patent

active

050191519

ABSTRACT:
A 2-phenoxypridimine derivative having the formula: ##STR1## wherein X is a halogen atom or ##STR2## wherein X.sup.1 is a halogen atom, a lower alkyl group or a lower alkoxy group and k is 0, 1, or 2; R.sup.1 is a hydrogen atom, a benzyl group, --(CH.sub.2).sub.m R.sup.3 is a cyano group, a formyl group, a dialkylamino group, a phenyl group, a pyridyl group, a trimethylsilyl group, a naphthyl group, an alkoxycarbonyl group, a benzoyl group, an alkylthio group, a phenylthio group, an alkylsulfonyl group or a benzyloxy group and m is 1, 2, or ##STR3## wherein R.sup.4 is a hydrogen atom or a lower alkyl group, R.sup.5 is a lower alkyl group or ##STR4## wherein X.sup.2 is a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group or a nitro group, n is 0 or 1, provided that when R.sup.5 is an alkyl group, n is 1; and R.sup.2 is a chlorine atom or a methoxy group, provided that when R.sup.1 is a hydrogen atom or a benzyl group, X is ##STR5## and R.sup.2 is a methoxy group, when R.sup.1 is ##STR6## X is a chlorine atom at the 6-position and R.sup.2 is a methoxy group, and when R.sup.1 is --(CH.sub.2).sub.m R.sup.3, X is a halogen atom at the 6-position.

REFERENCES:
patent: 4409017 (1983-10-01), Serban et al.
patent: 4427437 (1984-01-01), Serban et al.
patent: 4900352 (1990-02-01), Wada et al.
"Syntheses and Herbicidal Activities of Phenoxy-pyrimidines and phenoxytriazines" Agr. Biol. Chem. vol. 30, No. 9, pp. 896-905 (1966).

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