The present invention is directed to alkenybicyclohexane compounds of the formula ##STR3## wherein Z is a single covalent bond or --CH2 CH2 --, R1 is 1E-alkenyl with 2-10 carbon atoms or 3E-alkenyl with 4-10 carbon atoms and R2 is alkyl with 1-10 carbon atoms, 2E-alkenyl with 3-10 carbon atoms or 3-alkenyl with 4-10 carbon atoms.