(i) Predict the main product obtained when the molecule below reacts with DIBAl-H. 
(ii) Based on your answer, is there a need to convert the ester to another ester to accomplish what DIBAl-H is intended to do?

• A. Yes, converting the ester to another ester is needed in this instance. 
• B. No, converting the ester to another ester is not needed in this instance. 
• C. Yes, converting the ester to another ester is needed in this instance. 
• D. No, converting the ester to another ester is not needed in this instance. 

Answer: (B)