Cyclopentanone derivatives, odoriferous compositions containing them and process of preparation thereof

Abstract

Novel cyclopentanone derivatives are disclosed having the formula ##SPC1## In which R represents a hydrocarbon group of 3 to 7 carbon atoms, X represents a cyano, formyl, hydroxymethyl, lower alkoxymethyl, lower alkanoyloxymethyl or lower alkylcarbonyl group and Y represents an oxo or ketal group, With the proviso that R does not represent an n-pentyl group when, simultaneously, X represents a methylcarbonyl group and Y represents an oxo group. Processes for the preparation of the said cyclopentanone derivatives and also the use thereof in perfumes, cosmetic and other products are disclosed.

Dependencies are inferred from the claim text.