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US 4,291,041 AGranted
Alicyclic piperidine derivatives as insect repellents
AssigneeThe United States of America as represented by the Secretary of Agriculture
InventorsTerrence P. McGovern, Carl E. Schreck
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Abstract
A number of alicyclic carboxamides of the formula ##STR1## wherein n, R.sup.1, R.sup.2, and R.sup.3 are defined hereinbelow have been found to be useful insect repellents.
Claims7
In an insect repellent composition containing an insect repelling effective amount of an active ingredient and a carrier, the improvement wherein said active ingredient is selected from the group consisting of
- (a) a compound of the, formula ##STR14## wherein R.sup.3 is one of the groups, A, B, or C ##STR15## R is hydrogen or lower alkyl, n the positive integer one, two, or three, and R.sup.1 and R.sup.2 together with the N is selected from the group consisting of 1-piperidyl, 2-methyl-1-piperidyl, 3-methyl-1-piperidyl, 4-methyl-1-piperidyl, 2-ethyl-1-piperidyl, and 2,6-dimethyl-1-piperidyl;
- (b) a compound of the formula ##STR16## wherein R.sup.1 and R.sup.2 taken together with the N is 2-methyl-1-piperidyl, 3-methyl-1-piperidyl, 4-methyl-1-piperidyl, 2-ethyl-1-piperidyl or 2,6-dimethyl-1-piperidyl.
A compound of the formula ##STR20## wherein R lower alkyl, and R.sup.1 and R.sup.2 taken together with the N is 1-piperidyl.
Dependencies are inferred from the claim text.