As with the Evans auxiliaries, the Davies auxiliaries can be prepared from the corresponding

amino acid. Propose a strategy for the synthesis of the SuperQuat below from valine. For this question

it will be sufficient to work with synthons rather than specific reagents. In other words, I am interested

mostly in your retrosynthetic analysis.

Q3. Provide a mechanism for the conversion of the ketone at left to the product in the middle. Also, suggest a method (one or multiple steps) to convert the middle compound to the ketone at right. Your method should include reaction conditions (reagents, solvents, equivalents, etc.). NaoMe, Me Me Me H Me H OEt then Ac_0 OAC Me