Patent ID: 9376368
Filing Date: 2016-06-28
CPC Classification: C07C

Claim Text:
1. A method for producing a conjugated Z-alken-yn-yl acetate, comprising the steps of: hydrolyzing an ω-halo-1,1-dialkoxy-2-alkyne represented by formula (2):  wherein R into a ω-halo-2-alkynal represented by formula (1): in water and an organic solvent in the presence of sulfonic acid, reacting the ω-halo-2-alkynal with an alkylidene triphenylphosphorane represented by formula (3):  wherein R represents a linear branched or cyclic C through a Wittig reaction to obtain a conjugated Z-alken-yn-yl halide represented by formula (4): and acetoxylating the conjugated Z-alken-yn-yl halide into a conjugated Z-alken-yn-yl acetate represented by formula (5):  wherein R represents a linear, branched or cyclic C