The major product of the reaction is:

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) The reaction involves the acid-catalyzed rearrangement of a spiro-dienone system. $1$. Protonation of the carbonyl oxygen occurs to form a resonan

Vedclass · Accepted Answer

$1-$naphthol derivative

Vedclass · Answer

(A) The reaction involves the acid-catalyzed rearrangement of a spiro-dienone system. $1$. Protonation of the carbonyl oxygen occurs to form a resonance-stabilized carbocation. $2$. $A$ ring expansion occurs where the cyclobutane ring expands to form a six-membered ring,resulting in a more stable aromatic system. $3$. Deprotonation leads to the formation of $5,6,7,8$-tetrahydronaphthalen-$1$-ol (or a similar naphthol derivative). Based on the provided options and the mechanism shown in the solution image,the final product is a naphthol derivative. The structure corresponds to $5,6,7,8$-tetrahydronaphthalen-$1$-ol.

Similar Questions

The hottest region of the Bunsen flame shown in the figure below is:

What is the acid $(A)$ obtained in the following reaction sequence?
${C_2H_5I}$ $\xrightarrow{\text{alc. KOH}} X$ $\xrightarrow[CCl_4]{Br_2} Y$ $\xrightarrow{KCN} Z$ $\xrightarrow{H_3O^+} A$

Most of the hydrocarbons from petroleum are obtained by

What are $X$ and $Y$ respectively in the following sets of reactions?
$I. \ CH_3CH_2CH_2OH \xrightarrow{PBr_3} X$
$II. \ CH_3CH=CH_2 \xrightarrow{HBr, (C_6H_5COO)_2} Y \text{ (major)}$

Among the following pairs,in which case does the second compound have a higher heat of hydrogenation?

Vedclass Test Series

Exam Paper Generator

Online Exam Module