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US 5,290,756 AGranted
4-trifluoromethyl-4'-nitrodiphenyl ethers
AssigneeRohm and Haas Company
InventorsColin Swithenbank, Ted Fujimoto
Life of this patent
Estimating the term…
Abstract
Compounds of the formula: ##STR1## wherein X is hydrogen, halo, trihalomethyl, alkyl, nitroor cyano; X.sup.1 is hydrogen, halo, or trihalomethyl; R.sup.1 and R.sup.2 are hydrogen, alkyl phenyl or benzyl; n is 1 to 5, and Z is halo, cyano, nitro, trihalomethyl, methylthio, methylsulfinyl, methylsulfonyl, acetyl, phenyl, or heterocycle, and compositions containing these compounds exhibit herbicidal activity.
Claims17
A compound of the formula:
- ##STR10## wherein X is hydrogen, halo, trihalomethyl, alkyl, cyano, or nitro;
- X.sup.1 is hydrogen, halo or trifluoromethyl;
- R.sup.1 and R.sup.2 are the same or different radicals selected from hydrogen, C.sub.1 -C.sub.6 alkyl, phenyl or benzyl;
- n is an integer of from 1 to 5;
- and Z is methylsulfinyl, methylsulfonyl, acetyl, or a heterocycle of from 4 to 6 nuclear atoms containing from 1 to 4 hetero atoms selected from nitrogen, oxygen or sulfur.
2 more elements
A compound of the formula:
- ##STR11## wherein X is hydrogen, halo, trihalomethyl, alkyl, cyano or nitro;
- X.sup.1 is hydrogen, halo or trifluoromethyl;
- R.sup.1 and R.sup.2 are the same or different radicals selected from hydrogen or lower alkyl;
- n is an integer of 1 to 5;
- and Z is acetyl.
2 more elements
Dependencies are inferred from the claim text.