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Question
The product "P" in the above reaction is :
The product "P" in the above reaction is :
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Solution
The correct option is D
DIBAL-H - diisobutylaluminium hydride selectively reduces nitriles and esters to aldehydes.
The reaction is usually carried out at −78oC to prevent reaction with the aldehyde product.
Also the tetrahedral intermediate formed by DIBAL with ester is stable only at −78oC.
Hence, option (c) is the correct answer.
DIBAL-H - diisobutylaluminium hydride selectively reduces nitriles and esters to aldehydes.
The reaction is usually carried out at −78oC to prevent reaction with the aldehyde product.
Also the tetrahedral intermediate formed by DIBAL with ester is stable only at −78oC.
Hence, option (c) is the correct answer.
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Product "A" in the above chemical reaction is 
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