ABC26OR0073 · Natural Products

Subject: Organic Chemistry · Chapter: Natural Products · Topic: Natural Products – General · Exam: CSIR-NET JUNE 2011 · Marks: 2 · Difficulty: Medium

Papaverine on oxidation with potassium permanganate gives a ketone, which on fusion with potassium hydroxide gives structure Papaverine
(a)structure
(b)structure
(c)structure
(d)structure
Answer
Answer (as printed): B
Explanation
When papaverine is oxidized with hot conc. Permanganate it is broken down into small fragments for example, veratric acid, metahemipinic acids, pyridine-2,3,4-tricarboxylic acid and 6,7- dimethoxyisoquinoline-1-carboxylic acid.

Explanation as extracted from the printed page; notation may be imperfect.

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