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Structure Determination without Mass Spect

15. Analytical Techniques:IR, NMR, Mass Spect / Structure Determination without Mass Spect / Problem 2

Problem 2

The spectrum information below is displayed as we see it in research journals. Draw the structure of the given data set.

C₆H₁₂O₂: ¹H NMR: δ 1.19 (6H, doublet), 1.21 (3H, triplet), 2.41 (2H, quartet), 4.93 (1H, septet); IR (cm^-1): 1750, 1210

A

Chemical structure of an ester derived from C6H12O2, shown for NMR analysis.

B

Chemical structure of a carboxylic acid derived from C6H12O2, shown for NMR analysis.

C

Chemical structure of a ketone derived from C6H12O2, shown for NMR analysis.

D

Chemical structure of a hydroxy compound derived from C6H12O2, shown for NMR analysis.