(Solved): Step D: This is a proton transfer reaction involving the alpha protons of an ester. What is the pKa ...

Step D: This is a proton transfer reaction involving the alpha protons of an ester. What is the pKa of these protons? What is the pKa of the alpha protons of a ketone? Why is one more acidic than the other? Step D, question 2: Including the form drawn, the product of Step D has two major resonance