What is the structure of C ?

- (A)(see structure)
✓ Correct
- (B)(see structure)

- (C)(see structure)

- (D)(see structure)

Answer: (A)
Solution
Benzene + succinic anhydride / AlCl₃ (Friedel–Crafts acylation) → keto-acid A; Zn-Hg/HCl (Clemmensen) reduces the ketone → aryl-butanoic acid B; conc. H₂SO₄ cyclises (intramolecular acylation) → α-tetralone C. Option (1).



JEE Main · 2024 · 09 Apr 2024 · Shift 1 · Single correct option