How will you prepare 2-methyl-hexan- 2-ol from grignard reagent?
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Explanation:
A Grignard reagent is prepared from 24.5 grams of magnesium turnings, a crystal of iodine, 107 ml (or 137 grams) of n-butyl bromide and 450 ml of anhydrous ether. With rapid stirring, and cooling with ice if necessary, a mixture of 73.5 ml (or 58 grams) of anhydrous acetone and 75 ml of anhydrous ether are added.
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Answer:
Always remember, Using Grignard reagent,
Primary alcohol- Formaldehyde
Secondary alcohol- other aldehydes
Tertiary alcohol- ketone
2-methyl-hexan- 2-ol is a teriary alcohol.
Ketone to be used is Hexan-2- one.
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