Q22 · CSIR NET Chemistry, December 2013
Paper: CSIR NET December 2013 · Subject: Organic Chemistry · Chapter: Reagents, Reaction Mechanisms & Named Reactions · Topic: Named Reactions · Marks: 2 · Difficulty: Medium
The major product formed in the following reaction is: 
+ 
1. Heat 
+ 1. Heat (a)
(b)
(c)
(d)
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
Combes synthesis: the aniline condenses with acetylacetone to the enaminone and H₂SO₄ cyclises/dehydrates it to 2,4-dimethyl-5,8-dimethoxyquinoline (c).
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