Repellent agent against harmful insects and perfume composition containing the same

摘要

A repellent agent containing a 3-substituted p-menthane (or p- menthene) derivative represented by the following formula (1) is disclosed: ##STR1## In the formula, R is a hydroxy group or hydroxyethyl group; R.sub.2 is a hydrogen atom, hydroxy group, hydroxymethyl group, or alkoxy group having 1 to 3 carbon atoms; the double line is a double bond or a single bond, wherein R.sub.1 is absent when the double line is a double bond, and R.sub.1 is a hydrogen atom or hydroxy group when the double line is a single bond; provided that, when the double line is a single bond and R.sub.2 is a hydrogen atom, both of R and R.sub.1 are not a hydroxy group at the same time; and X is CH.sub.2 when the double line is a double bond and is CH.sub.3 when the double line is a single bond.