Question

Provide the structure corresponding to the following H^3NMR for a compound with the molecular formula C_6H_12O_2. The IR for this compound shows a strong absorption at 1736 cm^2.

Answer 1

The molecule is isopropyl Propionate The structure of the compound is as follows 1 2 34 5 ts molecular for mula is C8H1202 The molecule has all the splittings found in the spectrum The molecule has all the splittings found in the spectrum As per the n+1 splitting rule, the protonson Carbon 1 has 2 neighbouring protons and it appear as triplet (2+1-3). (3Ht) Similarly protons on carbon 2 has 3 neighbouring protons from carbon 1 and it appears asa quartet. (3+1-4.(2H,al Carbon 3 has no protons attached to it for splitting. Same way the carbon 4 has 6 neighbouring protons and it appears as a septet 6+1-7) (1H,septet) And carbon 5 and 6 are in same environment and it appears as a doublet 6Hd), it has one neighbouring proton from carbon 4 (1+1-2)