Skip to main content
. 2018 Jan 4;6(2):2037–2046. doi: 10.1021/acssuschemeng.7b03451

Figure 5.

Figure 5

Overview of proposed reactions occurring after incubation of GBG with laccase alone or a laccase/HBT system. The thick arrows represent the major reaction pathway. The reactions represented by thin arrows do occur, but slower and/or to a smaller extent. In the case of laccase alone, all GBG reacts via route 1. In the case of a laccase/HBT system, GBG reacts via route 1 and 2, but route 1 is favored due to the slow oxidation of HBT. Oxidation of GBG-HBT CP is proposed to occur via radical hydrogen abstraction by either a HBT radical (HBT•) or an oligomeric GBG radical ((GBG)n•). The C–C coupling in the dimer is based on Ramalingam et al.31 For clarity, reductions of O2 to H2O by laccase are not shown in the figure.