DERIVATIVE OF 2-CYCLOHEXYLPROPANAL AND PERFUMERY COMPOSITION COMPRISING THE SAME
2-Cyclohexylpropanal derivatives are disclosed. The derivatives are represented by the following formula (I):
   wherein P is a hydrogen atom and Q represents a group -CH=N-OH or a group -CH(OR)₂, wherein each R represents a lower alkyl group or two R's together form a lower alkylene group which may have a lower alkyl substituent, or P and Q together form a group
   wherein R′ is a lower alkyl group. The compounds possess floral, fruity, or green odors and are useful for prepering perfume compositions.  