2-aryl-ethyl ether derivatives and insecticidal and acaricidal a

Details 2-aryl-ethyl ether derivatives and insecticidal and acaricidal a 2-aryl-ethyl ether derivatives and insecticidal and acaricidal a

1983-11-18

1986-07-08

Helfin, Bernard

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Ether doai

568637, 568633, 568 49, 568609, 568328, 568334, 568586, 560 56, 560 65, 549445, 549362, 514452, 514464, 514520, 514532, 514679, 514682, 514712, 558424, A01N 4330, A01N 3114, C07C 43267

Patent

active

045993629

ABSTRACT:
The present invention relates to 2-arylethyl ether or thioether derivatives represented by the following general formula [I]: ##STR1## wherein Ar stands for an aryl group, R.sup.1 stands for straight or branched chain alkyl group of 1 to 6 carbons, R.sup.2 stands for a hydrogen atom, or a methyl or ethyl group, R.sup.3 stands for a halogen atom, or a methyl or methoxyl group, R.sup.4 stands for a hydrogen or halogen atom, or a lower alkyl or lower alkoxy group, and n is an integer of 1 or 2 with the proviso that when n is 2, the groups R.sup.4 may be the same or different, and Y stands for an oxygen or sulfur atom, and also to processes for the preparation of these ethers or thioethers and a use of these ethers or thioethers.
These compounds of the present invention have excellent insecticidal and acaricidal activities while the toxicity of these compounds are very low.

REFERENCES:
patent: 4073812 (1978-02-01), Bull et al.
patent: 4153731 (1979-05-01), Karrer
patent: 4397864 (1983-08-01), Nakatani et al.
Gysin, Chimia, vol. 8 (1954) 205-220.
Metcalf et al., Agricultural & Food Chemistry vol. 12 (1964) 231-236.
Yamamoto et al., Pesticide Design (1979) 79.
Ikeuchi et al., Advances in Pesticide Science Part 3 (1978) 470-474.
Elliott, M. et al., "Synthetic Pyrethroids-A New Class of Insecticide", Chem. Soc. Reviews, vol. 7, #4, pp. 473-505 (1978).

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