S.No H- Atom Description Oleic Acid (OA) Methyl Oleate (MO) Epoxy Methyl Oleate (EMO)
1H-Shift in ppm 1H-Shift in ppm 1H-Shift in ppm
I Alkene protons,a 5.39-5.30 (m, 2H) 5.39-5.30 (m, 2H) -
II Methoxy protons, b - 3.66 (s, 3H) 3.57 (s, 3H)
III Epoxide ring protons, h - - 2.85-2.79 (m, 2H)
IV Protons α to carbonyl,c 2.36-2.33 (t, 2H) 2.32-2.28 (t, 2H) 2.23-2.19 (t, 3H)
V Protons α to double bond, d 2.07-1.98 (m, 4H) 2.07-1.98 (m, 4H) -
VI Protons β to carbonyl group, e 1.66-1.59 (m, 2H) 1.63-1.58 (m, 2H) -
VII Chain protons, g 1.39-1.25 (m, 20H) 1.35-1.25 (m, 20H) -
VIII Terminal Methyl group protons, f 0.89-0.86 (t, 3H) 0.89-0.86 (t, 3H) 0.84-0.79 (t, 3H)
IX Protons, d, e, g in case of E.M.O - - 1.62-1.13 (m, 26 H)