Compound as reactive (5)
hydroquinone + oxygen → (2Z,4E)-4-hydroxy-6-oxohexa-2,4-dienoate + H+
2 hydroquinone + oxygen → 2 H2O + 2 1,4-benzoquinone
hydroquinone + UDP-α-D-glucose → arbutin + H+ + UDP
hydroquinone → hydroxyquinol
hydroquinone + oxygen → (2E,4Z)-4-hydroxy-6-oxohexa-2,4-dienoate + H+
Compound as product (6)
H2O + (4-hydroxyphenyl)acetate → acetate + hydroquinone
H2O + 4-aminophenol + H+ → hydroquinone + ammonium
2 H+ + NAD(P)H + 4-hydroxybenzoate + oxygen → H2O + NAD(P)+ + hydroquinone + CO2
arbutin-6-phosphate + H2O → β-D-glucose 6-phosphate + hydroquinone
glutathione + 2-(glutathion-S-yl)-hydroquinone → hydroquinone + glutathione disulfide
phenol + NADH + H+ + oxygen → H2O + hydroquinone + NAD+
Reversible reaction (4)
gentisate + H+ ↔ hydroquinone + CO2
hydrogen peroxide + hydroquinone ↔ 2 H2O + 1,4-benzoquinone
hydroquinone + H+ + glutathione disulfide + chloride ↔ 2 glutathione + chlorohydroquinone
1,4-benzoquinone + NADPH + H+ ↔ hydroquinone + NADP+