Chemistry - Carbonyl compounds Question with Solution | TestHub
In the following reactions, P, Q, R and S are the major products.
The correct statement(s) about P, Q, R and S is(are)
Options:(select one or more)
Answer:
Solution:
The cyanide part undergoes reaction with phenyl magnesium bromide followed by acidic water give a ketone. The ketone undergoes reaction with phenyl magnesium bromide again to get a tertiary alcohol.
Benzene undergo Friedel craft acylation and gives acetophenone. Acetophenone gives a tertiary alcohol upon reaction with phenyl magnesium bromide.
Propanoyl chloride when treated with dibenzyl cadmium gives a ketone. The ketone give tertiary alcohol on reaction with phenyl magnesium bromide.
2-phenyl ethanal gives 1,2-diphenylethanol. The secondary alcohol formed gives a ketone up on reaction with Jone's reagent. The ketone formed undergo nucleophilic addition reaction with hydrogen cyanide to give cyano hydrin which undergo hydrolysis followed elimination give the final product as shown below.
