Quinone Preparation By Oxidation TRIZ Cases
- Converting Hydroquinone Waste to 1,2,4-Trihydroxybenzene for Flow Batteries
A three-step process converts hydroquinone into 1,2,4-trihydroxybenzene ligands for flow battery electrolytes.
- Stereospecific Vitamin K2-7 Synthesis via Acetonide Protection
Acetonide protection of menadione adducts enables stereospecific alkylation, reducing impurities and improving yield under mild conditions.
- Hypohalite Dual-Radical Reagents for Selective Organic Synthesis
Hypohalites serve as dual-radical reagents to enable selective organic synthesis, eliminating toxic by-products common in traditional radical methods.
- Carbon Nitride Photocatalyst Singlet Oxygen Production
Melem reacts with benzophenonetetracarboxylic dianhydride to form a carbon nitride photocatalyst that enhances intersystem crossing for singlet oxygen generation.
- Vitamin K2 Synthesis Using Allyl Protecting Groups
Allyl protecting groups stabilize menadiol intermediates, preventing instability and boosting yields across varying polyisoprenyl side-chain lengths.
- Alkylated p-benzoquinone Oxidation via Aqueous H2O2 and Metal Salts
Aqueous hydrogen peroxide oxidizes alkylated p-hydroquinones using transition metal salts without polydentate ligands.
- Hydroquinone Production via Dehydration and Hydrogenation
A chemical process converts 2-deoxy-scyllo-inosose to hydroquinone using dehydration and catalytic hydrogenation steps.
- Alpha-Tocotrienol Production via Amino-Alkylation
Amino-alkylation modifies tocotrienol molecules to enable differential solubility and separation from tocopherols, avoiding expensive chromatography.
- Oxidation of Alkylated p-Hydroquinones Using Aqueous Oxygen
A process oxidizes alkylated p-hydroquinones using oxygen and transition metal salts in water.
- Reduced Coenzyme Q10 Production via Oxidation-Reduction Cycle
A process converts reduced coenzyme Q10 to oxidized form then reduces it.
- Hydroquinone Production via Recyclable Copper Catalyst
A recyclable copper catalyst enables ambient temperature oxidation of benzene to hydroquinone using hydrogen peroxide.