Provide the reaction scheme that shows the inorganic reagents necessary to convert acetylene and 1-bromo-3-ethylpentane into meso-3,10-diethyldodecane-6,7-diol.

Starting with but-1-yne, outline the steps required to synthesize (3S,4R)-4-chlorohexan-3-ol and (3R,4S)-4-chlorohexan-3-ol.

Draw the structure of the predicted product between the phenylethyn-1-ide ion and each of the compounds listed below.

a) 1-chloropropane

b) 1-chloro-3-methylbutane

c) propionaldehyde followed by water workup

Draw the smaller molecules used to assemble the following alkenes through olefin metathesis. (Use the smallest alkenes needed)

What is an addition reaction in organic chemistry?