In the reaction sequence the major products X and Y, respectively are · ABC26OR0543
Subject: Organic Chemistry · Chapter: Organic Synthesis · Topic: Organic Synthesis – General · Exam: GATE 2000-2022 · Marks: 2 · Difficulty: Hard
In the reaction sequence the major products X and Y, respectively are 
(a)
and 
and (b)
and 
and (c)
and 
and (d)
and 
and Answer
Answer: D ✓ checked by 4AB · confidence high
The source book printed C; on checking, D is correct — see the explanation.
Explanation
The Wacker oxidation converts the terminal alkene into a methyl ketone, giving the 1,4-diketone X. Acid-catalysed Paal–Knorr cyclisation then gives the fused furan Y (d).
Study loop for Organic Synthesis