
Consider the above sequence and answer the following conversion can be done by:
A.
B.
C.
D. All of these

Answer
499.5k+ views
Hint:It is an organometallic compound in which the metal atom is bonded to a hydrogen atom and bonded to two isobutyl groups. This compound is a reducing agent and also used to reduce the ester group or a nitrile group to an aldehyde.
Complete step by step answer:
Lithium aluminium hydride is a strong reducing agent used to convert aldehydic groups containing compounds or ketone containing compounds to alcohol.
It donates its hydride to ketone and aldehyde.
Lithium aluminium hydride converts aldehyde to primary alcohol and it converts ketone to a secondary alcohol.
Sodium Borohydride is a mild reducing agent which is capable of reducing aldehyde and ketones.
Sodium borohydride reduces aldehyde to primary alcohol and it converts ketone to a secondary alcohol.
Diisobutylaluminium hydride is a strong reducing agent that is used to reduce carboxylic acid into an aldehyde. It also converts ester to aldehyde and nitrile to aldehyde. It further does not reduce aldehyde if one more equivalent of reagent is added.
Thus, the conversion of is done by using DIBAL-H.
Therefore, the correct option is C.
Additional information: The aldehyde can be converted to the carboxylic acid by oxidation. The oxidizing agent used for the conversion is potassium permanganate in aqueous solution, potassium chromate, hydrogen peroxide, and other oxidizing reagents.
Note:
DIBAL-H can reduce all the compounds in which sodium borohydride reduces therefore ketone and aldehyde can be reduced to primary alcohol and secondary alcohol with the help of DIBAL-H.
Complete step by step answer:
Lithium aluminium hydride
It donates its hydride to ketone and aldehyde.
Lithium aluminium hydride converts aldehyde to primary alcohol and it converts ketone to a secondary alcohol.
Sodium Borohydride
Sodium borohydride reduces aldehyde to primary alcohol and it converts ketone to a secondary alcohol.
Diisobutylaluminium hydride is a strong reducing agent that is used to reduce carboxylic acid into an aldehyde. It also converts ester to aldehyde and nitrile to aldehyde. It further does not reduce aldehyde if one more equivalent of reagent is added.
Thus, the conversion of
Therefore, the correct option is C.
Additional information: The aldehyde can be converted to the carboxylic acid by oxidation. The oxidizing agent used for the conversion is potassium permanganate in aqueous solution, potassium chromate, hydrogen peroxide, and other oxidizing reagents.
Note:
DIBAL-H can reduce all the compounds in which sodium borohydride reduces therefore ketone and aldehyde can be reduced to primary alcohol and secondary alcohol with the help of DIBAL-H.
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