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US 4,059,430 AGranted
Organic (thio) phosphoric acid ester compounds and herbicidal compositions
AssigneeBayer Aktiengesellschaft
InventorsMasahiro Aya, Junichi Saito, Toyohiko Kume, Kazuomi Yasui
Life of this patent
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Abstract
New organic (thio) phosphoric acid ester compounds of the formula ##STR1## in which R.sup.1 is C.sub.1 -C.sub.6 alkyl, cyclohexyl, or phenyl, R.sup.2 is C.sub.1 -C.sub.6 alkyl, R.sup.3 is C.sub.1 -C.sub.6 alkyl, R.sup.4 is cyclohexyl or phenyl, X is oxygen or sulfur, and Y is oxygen or sulfur Have been found to exhibit excellent herbicidal, particularly selective herbicidal activity.
Claims32
Organic (thio)phosphoric acid ester compounds of the formula ##STR33## wherein R.sup.1 is alkyl of from 1 to 6 carbon atoms, cyclohexyl or phenyl,
- R.sup.2 is alkyl of from 1 to 6 carbon atoms,
- R.sup.3 is alkyl of from 1 to 6 carbon atoms,
- R.sup.4 is cyclohexyl or phenyl,
- X is oxygen or sulfur, and
- Y is oxygen or sulfur.
2 more elements
Dependencies are inferred from the claim text.