Determine the major product(s) of the following reaction: 1) NABH, 2) H3O* no reaction OH HO HO

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### Determining the Major Product(s) of a Chemical Reaction

#### Problem Statement
**Determine the major product(s) of the following reaction:**

**Reagents Used:**
1. Sodium borohydride (NaBH₄)
2. Hydronium ion (H₃O⁺)

#### Reaction Details:
The given reactant is a molecule with six carbon atoms. The molecule contains an aldehyde functional group at the first carbon atom and an ester functional group at the fourth carbon atom.

#### Possible Outcomes:
The reaction involves the reduction of carbonyl compounds using NaBH₄ and subsequent acid workup with H₃O⁺. Refer to the graph/diagram below with potential outcomes:

**Diagram Explanation:**
1. The reactant molecule is shown as a six-carbon chain with an aldehyde (C=O) at the first carbon and an ester (C=O) at the fourth carbon.
2. The potential products are as follows:

- **Option 1:**
  - A molecule where the aldehyde group has been reduced to an alcohol, forming a primary alcohol at the first carbon, while the ester group remains unchanged.

- **Option 2:**
  - Indicates that no reaction occurs with the reagents provided.

- **Option 3:**
  - A molecule where the aldehyde group has been reduced to a primary alcohol at the first carbon, and the ester group has been reduced to a secondary alcohol at the fourth carbon, along with the formation of an alcohol byproduct.

- **Option 4:**
  - This option details a possible product where the aldehyde group remains as an aldehyde, and the ester group undergoes partial reduction to yield an aldehyde and an alcohol byproduct.

#### Correct Answer:
To deduce the major product, consider the reducing strength of NaBH₄, which selectively reduces aldehydes but not esters. Therefore, the correct product should show the aldehyde being reduced to a primary alcohol while the ester remains unchanged.

Thus, the most plausible major product is:

- **Option 1:**
  - The molecule with a primary alcohol at the first carbon and an unchanged ester at the fourth carbon.

---

This detailed explanation provides a clear understanding of the reaction process and helps to identify the major product based on the given reagents.
Transcribed Image Text:### Determining the Major Product(s) of a Chemical Reaction #### Problem Statement **Determine the major product(s) of the following reaction:** **Reagents Used:** 1. Sodium borohydride (NaBH₄) 2. Hydronium ion (H₃O⁺) #### Reaction Details: The given reactant is a molecule with six carbon atoms. The molecule contains an aldehyde functional group at the first carbon atom and an ester functional group at the fourth carbon atom. #### Possible Outcomes: The reaction involves the reduction of carbonyl compounds using NaBH₄ and subsequent acid workup with H₃O⁺. Refer to the graph/diagram below with potential outcomes: **Diagram Explanation:** 1. The reactant molecule is shown as a six-carbon chain with an aldehyde (C=O) at the first carbon and an ester (C=O) at the fourth carbon. 2. The potential products are as follows: - **Option 1:** - A molecule where the aldehyde group has been reduced to an alcohol, forming a primary alcohol at the first carbon, while the ester group remains unchanged. - **Option 2:** - Indicates that no reaction occurs with the reagents provided. - **Option 3:** - A molecule where the aldehyde group has been reduced to a primary alcohol at the first carbon, and the ester group has been reduced to a secondary alcohol at the fourth carbon, along with the formation of an alcohol byproduct. - **Option 4:** - This option details a possible product where the aldehyde group remains as an aldehyde, and the ester group undergoes partial reduction to yield an aldehyde and an alcohol byproduct. #### Correct Answer: To deduce the major product, consider the reducing strength of NaBH₄, which selectively reduces aldehydes but not esters. Therefore, the correct product should show the aldehyde being reduced to a primary alcohol while the ester remains unchanged. Thus, the most plausible major product is: - **Option 1:** - The molecule with a primary alcohol at the first carbon and an unchanged ester at the fourth carbon. --- This detailed explanation provides a clear understanding of the reaction process and helps to identify the major product based on the given reagents.
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