JEE MAIN - Chemistry (2021 - 24th February Evening Shift - No. 9)
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Which of the following reagent is suitable for the preparation of the product in the above reaction?
Red P + Cl2
$$N{H_2} - N{H_2}/{C_2}{H_5}\mathop O\limits^\Theta \mathop N\limits^ \oplus a$$
NaBH4
Ni/H2
Explanation
To reduce the carbonyl groups into alkane, Wolff-Kishner reduction is used, without affecting the double bond.
Wolff-Kishner reagent It utilises hydrazine (NH2 $$-$$ NH2) as the reducing agent in the presence of strong base KOH or C2H5$$\overline O $$Na+ in a high boiling protic solvent.
The driving force for the reaction is the conversion of hydrazine to nitrogen gas.
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