Acaricidal agents based on azomethines of 2,3-diaminomaleic acid

Details Acaricidal agents based on azomethines of 2,3-diaminomaleic acid Acaricidal agents based on azomethines of 2,3-diaminomaleic acid

1988-01-27

1990-05-01

Brust, Joseph Paul

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Ester doai

514641, 558391, C07C12145, A01N 3734, A01N 4110

Patent

active

049218727

ABSTRACT:
A method of combating acarids which comprises applying to such acarids or to an acarid habitat an acaricidally effective amount of an azomethine of 2,3-diaminomaleic acid nitrile of the formula ##STR1## in which X represents halogen, halogenoalkyl or CN and R.sup.1, R.sup.2, R.sup.3 and R.sup.4 can be identical or different and represent hydrogen, optionally substituted alkyl, optionally substituted alkoxy, halogen, CN, NO.sub.2, optionally substituted dialkylamino, alkoxycarbonyl, optionally substituted alkylthio, optionally substituted alkylthionyl, optionally substituted alkylsulphonyl, OH, SH or NH.sub.2. The compounds other than the 2-chloro-and 2,6-dichloro-toluylideneamino-compounds are new.

REFERENCES:
patent: 3912724 (1975-10-01), Begland
patent: 3914276 (1975-10-01), Begland
patent: 4002616 (1977-01-01), Neumer
The Journal of Organic Chemistry, vol. 39, 1974, May-Aug., pp. 2341 to 2350.
Patent Abstracts of Japan--3-28-77--C-Section (of Kokai #51-151325).

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