Question

What is the structure of the compound with the following spectral data? Be sure to determine the molecular formula first and calculate the IHD.

300 MHz 'H NMR In CDC13 1.1 -0.9 0.8 0.7 0.6 -05 04 0.3 T02 -0.1 0.0 -0.1 7 4 3 2 0 O2017, Sigma-Aldrich Co. ALL RIGHTS RESERVED

Answer 1

300 MHz 'H NMR In CDCI3 1.2 1.1 0.9 08 0.7 06 0.5 04 0.3 0.2 0.1 0.0 these two signals are belongs to ethyl group Phenyl ring This carbon may attached since it is deshielded 02017,Sigma-Aldrich Co. ALL RIGHTS RESERVED 100 60 Molar mass of the compound150 m/z 40 20 25 75 100 125 150 m/ z C-H stretching stretching

ethyl benzoate Chemical Formula: CH1oo2 Molecular Weight: 150.18 ChemNMR H Estimation 8.06 4.30 7.551.30 7.68 8.06 7.55 6 4 2 PPM