When Is a Crossed Claisen Reaction Between Two Different Esters

question 45

Multiple Choice

When is a crossed Claisen reaction between two different esters synthetically useful?

• A) When only one of the esters has  hydrogen atoms.
• B) When both esters have  hydrogen atoms.
• C) When only one of the esters has  hydrogen atoms.
• D) When both esters lack  hydrogen atoms.

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