Table 2: D-optimal design arrangement and yield % response of OLHYOOD.

Run no.Coded independent variable levelsResponse
OLa/HYOOAbSAc/HYOOATemperatureTimeYieldd
(mol/mol, )(mol/mol, )(°C, )(h, )(%, )

1 20.7090538.7
221.30110766.7
321.30110778.3
441.00100645.7
531.15100641.5
621.0090775.9
741.0090547.5
841.00110784.4
940.70110545.9
1040.70110550.1
1121.3090543.1
1221.3090546.4
1320.70110788.7
1441.30110660.2
1531.30110544.5
1620.70110751.5
1730.70100658.1
1821.00110568.2
1941.3090778.3
2040.7090755.7
2131.00110676.7
2221.00100665.9
2331.0090669.5
2441.30100550.8
2541.3090772.3

Notes: oleyl alcohol (a); 9(12)-hydroxy-10(13)-oleioxy-12(9)-octadecanoic acid (HYOOA) (b); sulfuric acid (c); yield % of oleyl 9(12)-hydroxy-10(13)-oleioxy-12(9)-octadecanoate (OLHYOOD) (d).