Abstract: Described are 2-alkanoyl-2-(1-penten-1-yl) cyclohexanones of my invention defined according to the structure: ##STR1## wherein R represents methyl or ethyl; a process for preparing same and organoleptic uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles including but not limited to solid or liquid anionic, cationic, nonionic or zwitterionic detergents, perfumed polymers, fabric softener compositions and fabric softener articles. Also described are intermediates useful in carrying out the process for producing such 2-alkanoyl-2-(1-penten-1-yl) cyclohexanones of my invention defined according to the structure: ##STR2## wherein R represents methyl or ethyl.