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Which Would Be the Best Way to Carry Out the Following

question 172

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Which would be the best way to carry out the following synthesis? Which would be the best way to carry out the following synthesis?   A)  (1) HA,heat; (2) H<sub>3</sub>O<sup>+</sup>,H<sub>2</sub>O,heat B)  (1) (CH<sub>3</sub>) <sub>3</sub>COK / (CH<sub>3</sub>) <sub>3</sub>COH; (2) BH<sub>3</sub>:THF,then H<sub>2</sub>O<sub>2</sub>,OH<sup>-</sup> C)  (1) (CH<sub>3</sub>) <sub>3</sub>COK / (CH<sub>3</sub>) <sub>3</sub>COH; (2) H<sub>3</sub>O<sup>+</sup>,then H<sub>2</sub>O,heat D)  (1) KOH,C<sub>2</sub>H<sub>5</sub>OH; (2) BH<sub>3</sub>:THF,then H<sub>2</sub>O<sub>2</sub>,OH<sup>-</sup> E)  (1) KOH,C<sub>2</sub>H<sub>5</sub>OH; (2) HA,heat; (3) H<sub>3</sub>O<sup>+</sup>,H<sub>2</sub>O,heat


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