N-lower alkyl neodecanamide insect repellents

Details N-lower alkyl neodecanamide insect repellents N-lower alkyl neodecanamide insect repellents

1990-11-13

1993-01-26

Schenkman, Leonard

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Nitrogen containing other than solely as a nitrogen in an...

514629, 514919, A01N 3718

Patent

active

051823047

ABSTRACT:
N-lower alkyl neoalkanamides (N-lower alkyl trialkylacetamides of certain types) of 1 to 4 carbon atoms in the lower alkyl thereof and of 5 to 14 carbon atoms in the neoalkanoyl (or trialkylacetyl) group, e.g., N-methyl- and N-ethyl neodecanamides and N-methyl and N-ethyl neotridecanamides, are new compounds, secondary amides which have insect repellent properties, being especially effective against cockroaches, e.g., the German cockroach. However, they are also useful as repellents for other insects, including American cockroaches, mosquitoes, flies, fleas, ants, and lice. Additionally, they may repel arachnids, such as spiders, ticks and mites. The new neoalkanamides may be synthesized easily, as by reacting a primary lower alkyl amine with a neoalkanoyl halide, e.g. by reacting methyl amine or ethyl amine with neodecanoyl chloride.
The most effective of the described amides for insect repellency are normally liquid and are sufficiently volatile to be detectable in air by insects. They may be applied directly to surfaces to be treated or they may be incorporated in detergent compositions, such as built laundry detergents, floor and wall cleaners, rug cleaners and shampoos, hair shampoos, and liquid and bar soaps, and have been found to be sufficiently substantive to the substrate being washed so as to impart insect repelling properties to it.

REFERENCES:
patent: 4153679 (1979-05-01), Rowsell et al.
patent: 4230688 (1980-10-01), Rowsell et al.
patent: 4682982 (1987-07-01), Steltenkamp et al.
patent: 4804683 (1989-02-01), Steltenkamp

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