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MCAT Biological and Biochemical Foundations of Living Systems

MCAT Biological and Biochemical Foundations of Living Systems Question of the Day

Practice MCAT Biological and Biochemical Foundations of Living Systems with the production-style question-of-the-day selection for this public URL.

Question 1

What reagent would be best suited to accomplish the transformation shown below?

Mcat_5

  4. Methyl magnesium bromide,
Explanation: Reduction of an ester to an alcohol requires a strong reducing agent, such as . is not a strong enough reducing agent for this reaction. Hydrogenation and reaction with zinc would reduce the nitro group to an amino group instead of affecting the carboxylic acid. is a Grignard reagent, and would not function as a reducing agent.