Table 2 Different auxochromes on benzenes whether owning the capabilities to be electron shuttles
From: Polyphenolic compounds as electron shuttles for sustainable energy utilization
Auxochrome | Electron-mediating capabilitiesa |
|---|---|
Hydroxyl group, –OH | + |
Amino group, –NH2 | + |
Sulfhydryl group, –SH | − |
Methoxy group, –OCH3 | − |
Carboxyl group, –COOH | − |
Sulfo group, –SO3H | − |