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Table 3 Regression coefficients of the predicted quadratic polynomial model for the response variables of the yield% of HYOOA

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

Variables

Coefficients (ß), yield% (Y2)

T

P

Notability

Linear

    

X 1

-11.76

18.38

0.0016

***

X 2

-6.39

4.75

0.0542

 

X 3

1.11

0.17

0.6915

 

X 4

-2.57

0.81

0.3879

 

Quadratic

    

X 11

6.50

0.91

0.3636

 

X 22

-5.68

0.67

0.4321

 

X 33

-4.02

0.41

0.5349

 

X 44

-8.11

2.58

0.1390

 

Interaction

    

X 12

-0.068

5.008E-004

0.9826

 

X 13

-1.67

 

0.6037

 

X 14

-0.81

0.29

0.7922

 

X 23

2.97

0.073

0.3469

 

X 24

-0.64

0.97

0.8401

 

X 34

-1.81

0.043

0.5709

 

R 2

0.81

0.34

  
  1. Abbreviations: Notes: X 1 OA/MEOA ratio, X 2 PTSA/MEOA ratio, X 3 reaction temperature, X 4 reaction time. *** P < 0.01. T: F test value. See Table 1 for a description of the abbreviations.