Herbicidal alkoxyamino- and polyalkoxyaminodiphenyl ethers

Details Herbicidal alkoxyamino- and polyalkoxyaminodiphenyl ethers Herbicidal alkoxyamino- and polyalkoxyaminodiphenyl ethers

1984-12-10

1987-09-15

Warren, Charles F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

71121, 71124, C07C 9314, C07C14942

Patent

active

046941053

ABSTRACT:
Herbicidal and plant growth regulating 3-alkoxyamino- and 3-polyalkoxyamino-2'-chloro-4-nitro-4'-trifluoromethyldiphenyl ethers of formula I ##STR1## wherein each of A, A', A" and A'" is an identical or different C.sub.1 -C.sub.4 alkylene radical which may be straight chain or branched; n is a value from 1 to 5; each of n', n" and n'" is zero or a value from 1 to 5; R is a C.sub.1 -C.sub.4 alkyl radical or a C.sub.1 -C.sub.4 alkylcarbonyl radical, which alkyl radicals may be substituted by halogen or cyano, or is a benzoyl or phenylsulfonyl radical which may be substituted by halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 haloalkoxy or nitro, or, if A-O is not oxyethylene and/or if the sum of n+n'+n"+n'" is greater than 1, R is also hydrogen; R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 hydroxyalkyl, C.sub.2 -C.sub.8 alkoxyalkyl, C.sub.1 -C.sub.4 alkylcarbonyl or C.sub.1 -C.sub.4 haloalkylcarbonyl, which radicals R and R.sub.1 may be branched through C-C or C-O bonds or may be linked to each other to form a ring; and R.sub.2 is hydrogen, chlorine or fluorine, are suitable for selectively controlling weeds in crops of useful plants, e.g. cereals, maize, rice or soybeans.
These compounds are effective when applied at lower concentrations than the concentrations at which comparable similar known diphenyl ethers are applied. In addition, these compounds are effective against insects and representatives of the order Acarina.

REFERENCES:
patent: 4046798 (1977-09-01), Bayer et al.
patent: 4277624 (1981-07-01), Yoshimoto et al.
patent: 4364875 (1982-12-01), Sehring et al.
Chemical Abstract-p. 283-vol. 80 (1974)-3253x.
Chemical Abstract-p. 333-vol. 79 (1973)-115299c.
Derwent 09317C/06 (7/15/78) DT 2831-262.

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