Problem: Predict the missing structures of reagents or products during the following transformations. If more than one reagents/steps are needed they should be clearly indicated inside the box. When appropriate indicate clearly the stereochemistry of the products.

Problem Details

Predict the missing structures of reagents or products during the following transformations. If more than one reagents/steps are needed they should be clearly indicated inside the box. When appropriate indicate clearly the stereochemistry of the products.