Control and repellency of biting flies, house flies, ticks, ants, fleas, biting midges, cockroaches, spiders and stink bugs is obtained by contact of the insects with at least one of the compounds of the structure (I). ##STR00001##

A nonaqueous electrolytic solution comprising a cyclobutenedione derivative represented by the following general formula (1):

##STR00001##

wherein R.sup.1 represents an organic group having a carbon-carbon double bond or a carbon-carbon triple bond in its structure, and R.sup.2 represents an alkyl group having 1-6 carbon atoms, an alkoxy group having 1-6 carbon atoms, a thioalkyl group having 1-6 carbon atoms, a substituted or unsubstituted thioaryl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group.

A nonaqueous electrolytic solution comprising a cyclobutenedione derivative represented by the following general formula (1):

##STR00001##

wherein R.sup.1 represents an organic group having a carbon-carbon double bond or a carbon-carbon triple bond in its structure, and R.sup.2 represents an alkyl group having 1-6 carbon atoms, an alkoxy group having 1-6 carbon atoms, a thioalkyl group having 1-6 carbon atoms, a substituted or unsubstituted thioaryl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group.

The present invention concerns a method for synthesizing cyclohexenone and cyclohexenol compounds having specific fragrances and remanence properties, said method consisting in condensing a ketone on an -methylene-aldehyde in order to obtain, by means of a domino reaction, compounds of formula (I). ##STR00001##

The present invention concerns a method for synthesizing cyclohexenone and cyclohexenol compounds having specific fragrances and remanence properties, said method consisting in condensing a ketone on an -methylene-aldehyde in order to obtain, by means of a domino reaction, compounds of formula (I). ##STR00001##

Cyclohexenone and cyclohexenol compounds are provided having specific fragrances and remanence properties, along with methods for synthesizing these compounds, including obtaining the compound by condensing a ketone on an -methylene-aldehyde in order to obtain, by means of a domino reaction, compounds of formula (II) as follows:

##STR00001##

Cyclohexenone and cyclohexenol compounds are provided having specific fragrances and remanence properties, along with methods for synthesizing these compounds, including obtaining the compound by condensing a ketone on an -methylene-aldehyde in order to obtain, by means of a domino reaction, compounds of formula (II) as follows:

##STR00001##

Described herein are perfuming compositions and perfumed consumer products including, as perfuming ingredients, cyclopentanone compounds of formula ##STR00001##
in a form of any one of its stereoisomers or a mixture thereof, where n represents 1.

Disclosed are cyclopent-2-enone derivatives possessing woody odor profile with some peppery notes.

Disclosed are cyclopent-2-enone derivatives possessing woody odor profile with some peppery notes.