Subject: Organic Chemistry · Chapter: Organic Spectroscopy · Topic: Combined Structure Elucidation · Exam: NET DEC 2018 · Marks: 2 · Difficulty: Hard
Partial spectroscopic data is given below for an organic compound (i) 4 signals between $\delta \mathrm{120} - \mathrm{150} ~ p p m$ in ${ }^{\mathrm{13}} \mathrm{C} ~ N M R$ spectrum (ii) 2 doublets between $\delta$ 6.8-8.5 ppm in ${ }^{\mathrm{1}} \mathrm{H ~ NMR}$ spectrum (iii) An absorption band at $\mathrm{1724 ~ cm}^{- \mathrm{1}}$ in IR spectrum The structure of the compound is