| abstract |
wherein each of R1, R2 and R3 can be hydrogen or C1-C3 alkyl, and Z1 and Z2 separately can be hydrogen or halogen or together can be a carbon to carbon bond, and Y is thienyl, furyl, naphthyl, phenyl or phenyl substituted by one or two substituents selected from chloro, bromo, fluoro, carboethoxy, cyano, C1-C4 alkyl, C1-C3 alkoxy, nitro, methylenedioxy, ethylenedioxy, dimethylamino or diethylamino. A compound exemplary of my invention is 4,8-dimethyl-1-(3,4-methylenedioxyphenyl)-1,7nonadiene. Novel 1,7-dienes and addition products thereof possessing juvenile hormone-like activity have been prepared. Such a compound is one having the formula |