Propose a reasonable, detailed stepwise mechanism, using curved arrow notation to show the flow of electrons, for the following transformation. 1. EtMgBr(xs) EtO OEt 2. H3O+ HO

7. Propose a reasonable mechanism, using curved arrow notation, for the following transformation. You may only use the reagents provided. 1. MeMgBr (xs) OH + HO OH 2. H3O+

Suggest a synthesis for the molecule shown below. Only starting materials containing six (6) carbons are less may be used (this does not include reagents that are not part of the final molecule). Please indicate each step in the synthesis clearly with reagents and conditions listed. D D N.

Provide reagents for the following reaction. Br Your answer should be submitted as part of your exam PDF.