Q15 · CSIR NET Chemistry, December 2012
Paper: CSIR NET December 2012 · Subject: Organic Chemistry · Chapter: Natural Products · Topic: Alkaloids · Marks: 2 · Difficulty: Medium
Match the following
| (i) β-amyrin | (A) alkaloid; secondary alcohol |
|---|---|
| (ii) squalene | (B) alkaloid, phenol |
| (iii) morphine | (C) triterpene, secondary alcohol |
| (iv) ephedrine | (D) acyclic triterpene, polyene |
(a)(i)-(C), (ii)-(D), (iii)-(B), (iv)-(A)
(b)(i)-(B), (ii)-(A), (iii)-(C), (iv)-(D)
(c)(i)-(C), (ii)-(B), (iii)-(D), (iv)-(A)
(d)(i)-(A), (ii)-(D), (iii)-(B), (iv)-(C)
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
β-Amyrin: pentacyclic triterpene with a secondary OH (C); squalene: acyclic triterpene polyene (D); morphine: phenolic alkaloid (B); ephedrine: alkaloid with a secondary alcohol (A).
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