Answer Happy

Would the reaction in part (a) work if the starting materialcontained two esters instead of an acid chloride and an ester? Whyor why not?
What would the product of the reaction be in part (a) if fourmolar equivalents of the Grignardreagent were used? Draw your answer in the spaceprovided.
15.20 a) Propose a mechanism for the following transformation, and explain why the product shown is the major product. CI 1) MeMgBr(2 equiv.) 2) NH4CI, H₂O