Pyrimidine derivatives and herbicide containing the same

Details Pyrimidine derivatives and herbicide containing the same Pyrimidine derivatives and herbicide containing the same

1989-11-28

1990-11-27

Shen, Cecilia

Chemistry: fertilizers

Processes and products

Forms or conditioning

544299, 544302, 544309, 544313, 544314, 544315, 544318, A01N 4354, C07D23934, C07D23938, C07D23942

Patent

active

049733540

ABSTRACT:
Disclosed are pyrimidine derivatives of the formula (I) and optical isomers thereof and a herbicide containing one or more of them as an active ingredient. ##STR1## where W is O or S; X is a lower alkyl group or a lower alkoxycarbonyl group; R is H, an optionally substituted lower alkyl group, an optionally substituted lower alkenyl group, an optionally substituted lower alkynyl group, an alkyali metal, an alkaline earth metal or an optionally substituted ammonium cation; R.sup.1 and R.sup.2 each are a halogen atom, an optionally substituted lower alkyl group or an optionally substituted lower alkoxy group; n is 3 to 5; m is 0 to 2; and is a single bond or a double bond.

REFERENCES:
patent: 3974276 (1976-08-01), Barlow et al.
patent: 4427437 (1984-01-01), Serban et al.
Serban et al., Chem. Abst., 92-175773f.

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