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To perform a retrosynthesis of an alcohol formed by a Grignard reaction, follow these steps:

1. Classify the type of alcohol formed:
- A primary alcohol is formed from a Grignard reagent reacting with formaldehyde.
- A secondary alcohol is formed from a Grignard reagent reacting with an aldehyde.
- A tertiary alcohol is formed from a Grignard reagent reacting with a ketone.

2. Determine the disconnection (i.e., the bond formed in the Grignard reaction):
- Identify the carbon bonded to the hydroxy group.
- Disconnect each alkyl group bonded to this carbon.

3. The alkyl group will be the Grignard reagent, while the remaining two groups bonded to the carbon were substituents on the carbonyl.

4. Perform a retrosynthetic analysis of the alcohol.

Answer :

To perform a retrosynthesis of alcohol formed by a Grignard reaction, begin by classifying the type of alcohol formed. Primary alcohols result from a Grignard reagent reacting with formaldehyde, secondary alcohols form when a Grignard reagent reacts with an aldehyde, and tertiary alcohols arise when a Grignard reagent reacts with a ketone.

Next, identify the disconnection, which is the bond formed in the Grignard reaction. Locate the carbon bonded to the hydroxy group and disconnect each alkyl group connected to this carbon. The alkyl group corresponds to the Grignard reagent, while the remaining two groups attached to the carbon were substituents on the carbonyl.

By performing a retrosynthetic analysis of the alcohol, you can determine the necessary Grignard reagent and carbonyl compound to synthesize the desired alcohol. This approach helps in planning a synthetic strategy and understanding the steps involved in forming the target alcohol using a Grignard reaction.

You can learn more about Grignard's reaction at: brainly.com/question/30887693

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Final answer:

To perform a retrosynthesis of an alcohol formed by a Grignard reaction, first classify the type of alcohol formed. Next, determine the disconnection by identifying the carbon bonded to the hydroxy group and disconnect each alkyl group bonded to this carbon.

Explanation:

The classification of the alcohol formed by a Grignard reaction depends on the type of carbonyl compound used. A primary alcohol is formed when a Grignard reagent reacts with formaldehyde, a secondary alcohol is formed when it reacts with an aldehyde, and a tertiary alcohol is formed when it reacts with a ketone. To perform a retrosynthesis, identify the carbon bonded to the hydroxy group and disconnect each alkyl group bonded to this carbon. The alkyl group will be the Grignard reagent, while the remaining two groups were substituents on the carbonyl compound.