In the following reaction, (iii) H₃O⁺ the major product [X] is: · ABC26OR0548
Subject: Organic Chemistry · Chapter: Organic Synthesis · Topic: Organic Synthesis – General · Exam: GATE 2000-2022 · Marks: 2 · Difficulty: Medium
In the following reaction, 
(iii) $\mathrm{H_3O^+}$ the major product $[\mathrm{X}]$ is:
(iii) $\mathrm{H_3O^+}$ the major product $[\mathrm{X}]$ is:(a)
(b)
(c)
(d)
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
SeO₂ oxidises the CH₂ α to the ketone to give the 1,2-diketone; NaOH then triggers a benzilic acid rearrangement, giving the α-hydroxy acid with COOH and OH on the same ring carbon (c).
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