Sodium borohydride is very useful in reducing aldehydes and ketones into alcohols. What are the products when the following are treated with sodium borohydride. It is expected that you will research the products formed when acyl chlorides and carboxylic acids are treated with NaBH4. ㅅ 1. 2. 3. 4. OH CH3 No Rxn

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**Sodium Borohydride Reactions with Various Functional Groups**

Sodium borohydride (NaBH₄) is a versatile reagent known for its ability to reduce aldehydes and ketones into alcohols. Consider the following reactions when these compounds are treated with sodium borohydride:

1. **Aldehyde Reduction**
   - Structure: An aldehyde group with a carbonyl carbon attached to a hydrogen atom.
   - Sodium borohydride typically reduces this to a primary alcohol.

2. **Carboxylic Acid Reduction**
   - Structure: A carboxylic acid group with a hydroxyl (OH) group attached to the carbonyl carbon.
   - Under typical conditions, sodium borohydride does not reduce carboxylic acids.

3. **Acyl Chloride Reduction**
   - Structure: An acyl chloride group with a chlorine atom attached to the carbonyl carbon.
   - Sodium borohydride can reduce acyl chlorides to primary alcohols.

4. **Ester Reaction**
   - Structure: An ester group with an alkoxy group (OCH₃) attached to the carbonyl carbon.
   - Esters generally do not react with sodium borohydride. No reaction occurs (No Rxn).

**Note for Students:** Conduct further research to understand the products formed when sodium borohydride reacts with more complex functional groups such as acyl chlorides and carboxylic acids.
Transcribed Image Text:**Sodium Borohydride Reactions with Various Functional Groups** Sodium borohydride (NaBH₄) is a versatile reagent known for its ability to reduce aldehydes and ketones into alcohols. Consider the following reactions when these compounds are treated with sodium borohydride: 1. **Aldehyde Reduction** - Structure: An aldehyde group with a carbonyl carbon attached to a hydrogen atom. - Sodium borohydride typically reduces this to a primary alcohol. 2. **Carboxylic Acid Reduction** - Structure: A carboxylic acid group with a hydroxyl (OH) group attached to the carbonyl carbon. - Under typical conditions, sodium borohydride does not reduce carboxylic acids. 3. **Acyl Chloride Reduction** - Structure: An acyl chloride group with a chlorine atom attached to the carbonyl carbon. - Sodium borohydride can reduce acyl chlorides to primary alcohols. 4. **Ester Reaction** - Structure: An ester group with an alkoxy group (OCH₃) attached to the carbonyl carbon. - Esters generally do not react with sodium borohydride. No reaction occurs (No Rxn). **Note for Students:** Conduct further research to understand the products formed when sodium borohydride reacts with more complex functional groups such as acyl chlorides and carboxylic acids.
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