Skip to main content
Bioresources and Bioprocessing

Table 2 Isomerization of glucose to fructose by aliphatic primary amine catalysts with different alkyl chain length

From: Isomerization of glucose into fructose with homogenous amine-type base catalysts: amine structure, chain length, and kinetics

Catalysts (alkyl chain length)

pKa

Glucose con. (%)

Fructose yie. (%)

Fructose sel. (%)

Ethylamine (2)

10.70

38.85 ± 1.9

23.69 ± 1.2

60.98 ± 2.8

Hexylamine (6)

10.56

39.14 ± 2.0

24.34 ± 1.2

62.19 ± 2.4

Octylamine (8)

10.65

27.72 ± 1.4

19.38 ± 0.9

69.91 ± 1.8

  1. Reaction conditions: 0.5 g glucose, 5 mL H2O, aliphatic primary amine catalyst (mol% relative to glucose), 10 min, 110 °C
Back to article page