Question

How would you prepare following compounds from an internal alkyne?give the mechanism of the reaction
1)3-hexanone
2)ethanoic acid

Answer 1

Answer:

Explanation:

1) : For the first part you make use of hex-3-yne and you add Hg2+ and dilH2SO4 which will form hex-3-enol. This in turn can tautomerise to give 3-hexanone.

2) For getting ethnic acid I would recommend using butan-2-yne and oxidative ozonylisis after reducing yne to ene