n(C2H7N):n(C18H37Br)

Temperature 1st (˚C)

Temperature 2nd (˚C)

Productivity (%)

1:2

130

70

48.54

1:2

120

85

42.65

1:2

140

100

41.36

1:2.5

140

70

55.08

1:2.5

120

85

58.61

1:2.5

130

100

60.32

1:3

140

70

71.24

1:3

130

85

78.94

1:3

120

100

74.11