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Table 7 The main signals present in 1 H NMR functional groups of MEOA and HYOOA

From: Synthesis and optimization ring opening of monoepoxide linoleic acid using p-toluenesulfonic acid

δ (ppm) of MEOAa

δ (ppm) of HYOOAb

Assignment

0.86–0.88

0.82–0.84

-CH 3

1.29–2.03

1.23–2.06

-CH 2

2.29–2.33

2.26–2.33

-CH

2.92–3.12

-

-CH-O-CH-

-

3.62

-CH OH

-

4.06

-CH OCOR

5.38–5.49

5.31–5.40

-CH = CH-

  1. Notes: Mono-epoxide linoleic acid (a); 9,12-hydroxy-10,13-oleioxy-12,9-octadecanoic acid (b).