2-phenoxypyrimidine derivative and herbicidal composition

Details 2-phenoxypyrimidine derivative and herbicidal composition 2-phenoxypyrimidine derivative and herbicidal composition

1988-04-13

1990-08-07

Shen, Cecilia

Chemistry: fertilizers

Processes and products

Forms or conditioning

544229, 544299, 544300, 544301, 544302, 544303, 544309, 544310, 544313, 544314, A01N 4354, C07D23952

Patent

active

049464957

ABSTRACT:
A 2-phenoxypyrimidine 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 wherein 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 3, 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: 4427437 (1984-01-01), Serban et al.
patent: 4770691 (1988-09-01), Nezu et al.
Serban et al, Chem. Abst. 92-175773f (1980), "Certain Pyrimidine Derivatives for Inhibiting the Growth of Plants".
Kijima et al, Chem. Abst. 93-150268c (1980), "2-Phenoxy Pyrimidine Derivatives".
Nezu et al, Chem. Abst. 107-134322t (1987).
Saito et al, Chem. Abst. 108-167496b (1988).
Shigematsu et al, Chem. Abst. 108-167509h (1988).
Agr. Biol. Chem., vol. 30, No. 9, pp. 896-905, 1966, Jojima et al, "Syntheses and Herbicidal Activities of . . . ".

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