Convert each compound to hex-1-yne,
Geminal dihalides are treated with a strong base to remove the halides and hydrogens to form alkyne. The pathway of the elimination reaction is E2. The general reaction scheme is given below:
a.The given compound is a dihalide and thus can directly be converted to an alkyne upon treatment with 2 equivalent . The reaction is shown below:
Conversion of geminal halide to alkyne
The given compound has one halide attached to the alkene group and can directly be converted to alkyne using one equivalent .
The given compound is a simple alkene and has to be converted to a dihalide by treating it with chloride. It is further converted to alkyne using a similar reagent.
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