Production of Chemoenzymatic Catalyzed Monoepoxide Biolubricant: Optimization and Physicochemical Characteristics

Table 9

The main signals present in ¹H NMR functional groups of LA, MEOA, and diepoxide LA.

𝛿 (ppm) LA^a	𝛿 (ppm) MEOA^b	𝛿 (ppm) diepoxide LA	Assignment
0.88–0.91	0.86–0.88	0.88–0.92	–CH3
1.30–2.77	1.29–2.33	1.34–2.36	–CH2
—	2.92–3.12	2.99–3.13	–CH–O–CH–
5.35–5.36	5.38–5.49	—	–CH=CH–
7.27	7.27	7.27	–COOH

Notes: Linoleic acid (a); 9(12)-10(13)-monoepoxy 12(9)-octadecanoic acid (b).