3.2 13C NMR analysis of MO and EMO
In 13C NMR spectrum, formation of EMO was confirmed through the appearance of signal at δ 57.1 ppm corresponding to oxirane ring carbon and simultaneously disappearance of signals due to olefinic carbons of MO at δ 125 - 130 ppm (Fig. 2 ).
Characterization of methyl oleate by 13C NMR (100 MHz, CDCl3) δ (ppm) : 174 (-CH2C O-), 130.1 (-CH=C H-(CH2)7CO-), 130 (-CH2-C H=CH-), 57.1 (-C HOC H-), 51.4 (-OC H3), 34.0 (-C H2CO-), 31.8 (-CH3CH2C H2-), 29.6 (-(C H3)2(CH2)2CHOCH(CH2)2(C H2)3), 27.8 (-(C H3)2(CH2)2CHOCH(CH2)2(C H2)3), 27.2 (-C H2CHOCHC H2), 26.6 (-C H2CH2CHOCHCH2C H2-), 24.9 (-C H2CH2CO-), 22.6 (-C H2CH3), 14.1 (-C H3) as shown in Fig. 2a.
Characterization of epoxymethyl oleate by 13C NMR (100 MHz, CDCl3) δ (ppm) : 174 (-CH2C O-), 57.1 (-C HOC H-), 51.4 (-OC H3), 34.0 (-C H2CO-), 31.8 (-CH3CH2C H2-), 29.6 (-(C H2)3(CH2)2CHOCH(CH2)2(CH2)3), 27.8 (-(C H2)3(CH2)2CHOCH(CH2)2(CH2)3), 27.2 (-C H2CHOCHC H2), 26.6 (-C H2CH2CHOCHCH2C H2-), 24.9 (-C H2CH2CO-), 22.6 (-C H2CH3), 14.1 (-C H3) as shown in Fig. 2b.