Methyl 1-{[(4S,5S)-2,2-dimethyl-5-(pent-3-ynyl)-1,3-dioxolan-4-yl]methyl}cyclohexa-2,5-diene-1-carboxylate

Octa-2,6-diyn-1-ol

(E)-Oct-2-en-6-yn-1-ol

(E)-1-Bromooct-2-en-6-yne

(4R,5S)-4-(Bromomethyl)-2,2-dimethyl-5-(pent-3-ynyl)-1,3-dioxolane