The natural product that gives signal at δ 218 ppm in its ¹³ C NMR spectrum · ABC26OR0119

Subject: Organic Chemistry · Chapter: Natural Products · Topic: Natural Products – General · Exam: CSIR NET DEC 2019 · Marks: 2 · Difficulty: Easy

The natural product that gives signal at $\delta 218 \mathrm{ppm}$ in its ${ }^{13} \mathrm{C} \mathrm{NMR}$ spectrum

(a)$\alpha$-pinene

(b)camphor

(c)geraniol

(d)carvone

Answer

Answer: B ✓ checked by 4AB · confidence high

Explanation

δ 218 ppm is a saturated ketone carbonyl: camphor. Carvone's conjugated ketone is at ≈199, geraniol and α-pinene have no C=O.

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