Protecting Group Decision Matrix (OH, C=O, NH) — Choose Fast: Mechanism + Exam Traps

A compact decision matrix: pick a protecting group based on what conditions it must survive and how it will be removed later.

• Reaction: Protecting Group Decision Matrix (OH, C=O, NH) — Choose Fast
• What it does: A compact decision matrix: pick a protecting group based on what conditions it must survive and how it will be removed later.
• Typical reagents: Pick protection: carbonyl → acetal; amine → Boc (example)
• Key intermediate: Varies / context-dependent
• Driving force: Relief of ring strain / formation of stronger bonds
• Exam type: Choose reagents
• Exam type: Plan order of operations
• Exam type: Chemoselectivity