1. Using a Lewis acid, BF3, (+) aureal (1) undergoes a rearrangement Org. Lett 2012, 14, 4710-4713. Using arrows propose a mechanism for this rearrangement.  2. Explain why we added BF3 as an acid to the alcohol? How does it help with reaction ( 3 --> 4)?  3. What is the process’ name for (4) --> (5)? 4. going from (5) to (6)?  5. from (6) to (2)?

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Q: Question 15 Propose an efficient synthesis for the following transformation: "he transformation…

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