For the Wolff-Kishner reduction reaction below, show the mechanism starting from the hydrazone intermediate:
a) Use curved arrows to show the mechanism of the step below. Make the ends of your arrows specify the origin and destination of reorganizing electrons.
Reduction of ketones:
Ketones can be reduced to secondary alcohols or to alkanes. Reaction of a ketone with sodium borohydride or lithium aluminum hydride afford a secondary alcohol. Reaction of a ketone with hydrazine in the presence of a base affords an alkane.
Answer and Explanation:
The reaction mechanism is given below:
The carboanion intermediate formed is protonated water to give the alkane.
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Learn more about this topic:
from MHT-CET: Practice & Study GuideChapter 20 / Lesson 10