Organic Chemistry Practice Problems Baeyer-Villiger Oxidation Practice Problems Solution: The carbonyl group of an aldehyde or ketone may be...

Solution: The carbonyl group of an aldehyde or ketone may be reduced via several different methods. a) Select all viable methods for aldehyde/ketone reduction. -Na2Cr2O7 and H2SO4 -Wolff-Kishner method -Baeyer-Villiger method -NH3, H2, and Raney Ni -1) LiAIH4, 2) H2O -Clemmensen method -KMnO4 and H2SO4 b) Of the reduction methods, which one would be best performed under acidic conditions? -Clemmensen method -Na2Cr2O7 and H2SO4 -NH3, H2, and Raney Ni -KMnO4 and H2SO4 -Baeyer-Villiger method -Wolff-Kishner method -1) LiAIH4, 2) H2O

Problem

The carbonyl group of an aldehyde or ketone may be reduced via several different methods. 

a) Select all viable methods for aldehyde/ketone reduction. 

-Na2Cr2O7 and H2SO4 

-Wolff-Kishner method 

-Baeyer-Villiger method 

-NH3, H2, and Raney Ni 

-1) LiAIH4, 2) H2

-Clemmensen method 

-KMnOand H2SO4 

b) Of the reduction methods, which one would be best performed under acidic conditions? 

-Clemmensen method 

-Na2Cr2O7 and H2SO4 

-NH3, H2, and Raney Ni 

-KMnO4 and H2SO4 

-Baeyer-Villiger method 

-Wolff-Kishner method 

-1) LiAIH4, 2) H2O

Solution

We’re being asked to determine a) all viable methods to reduce an aldehyde and b) which reduction method works best in acidic conditions.


a) Reduction of an aldehyde converts it into a 1° alcohol or alkane. For this problem, we need to analyze each given method and determine if it’s an oxidation or reduction.

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