Organic Compound Preparation TRIZ Cases
- Fullerene C60 Amino Acid Derivatives Water Solubility
Homo- and hetero-polyamino-acid derivatives of fullerene C60 enhance antiviral and anti-tumor bioavailability through covalent ligand bonding.
- Para-phenylenevinylenes for High-Speed Optical Data Communication
Para-phenylenevinylenes overcome slow LED response times by providing short luminescence lifetimes, enabling high-speed data transmission.
- N-methyl-p-toluidine Catalyst Design for Aviation Fuel Additives
A copper zinc aluminum catalyst composition enables high yield N-methyl-p-toluidine synthesis via optimized reaction parameters.
- Cyclic Alkylene Phosphorohalidite Synthesis with Excess Reagent
Excess phosphorus trihalide suppresses halogenated by-product generation during cyclic alkylene phosphorohalidite synthesis, reducing purification complexity.
- Monoalkanolamine Production via Low-Pressure Flash Drum Separation
Low-pressure distillation eliminates chillers and active water separation, reducing reboiler load and wastewater costs for mass production.
- Supported Catalyst Aldehyde Reduction in Carbonylation Feed
A supported catalyst with group 8 to 11 metals reduces aldehyde concentrations in gas phase feed streams, preventing undesirable byproduct formation.
- Cage-Shaped Dianhydride Polyimide Transparency Heat Resistance
Introducing alicyclic units into the polymer chain transforms dark amber polyimides into highly transparent materials while preserving thermal stability.
- Alkoxylene Derivative Covalent Bonding for Anti-Fogging Resins
Chemical bonding of alkoxylene derivatives prevents anti-fogging agent migration in resins, maintaining stable surface properties under humidity changes.
- Chiral Cyclic Beta-Aminocarboxamide Synthesis Without Acid
Replacing acidic conditions with base prevents aromatic ring overhydrogenation during platinum-catalyzed synthesis, achieving high enantiomeric purity.
- O-desmethylvenlafaxine Synthesis Using Weak Bases
Replacing n-butyl lithium with pyridine eliminates fire hazards and impurities while maintaining reaction temperature.
- MoS2 Catalyst Morphology Control via Microemulsion Synthesis
Microemulsion synthesis creates MoS2 catalysts with disordered sulphide layers, boosting ethanol selectivity from syngas conversion.
- MMA Production Fouling Reduction via Acidified Stream Recycling
Acidifying recycled aqueous streams suppresses polymer formation, extending production run times and reducing fouling in methyl methacrylate processes.
- Synthesis of 7-Methoxynaphthalene-1-carbaldehyde via Cheaper Starting Material
A synthesis process for 7-methoxy-naphthalene-1-carbaldehyde uses 7-methoxy-naphthalen-2-ol as a starting material.
- Asymmetric Synthesis of Chiral Phenoxy Propionic Acid
Quaternary ammonium salts catalyze asymmetric synthesis of chiral phenoxy propionic acid, achieving high enantiomeric excess without complex purification steps.
- Chain-Extended Hydroxyethylethyleneamine Synthesis via Diethanolamine
Reacting diethanolamine with amine-functional compounds and carbon oxide agents to synthesize chain-extended hydroxyethylethyleneamines.
- Aldol Condensation Process for Acrylic Acid Production
Liquid phase aldol condensation of acetic acid and formaldehyde reduces explosion risk while maintaining production efficiency.
- Microreactor Process for Hazardous Intermediates
Continuous microreactor system eliminates explosion risks from azide and peroxo intermediates by converting them directly into stable end products.
- Isobutyraldehyde Oxidation Byproduct Reduction via Carbonyl Additives
Adding carbonyl intermediates redirects reaction kinetics, cutting isopropyl formate byproducts and improving isobutyric acid separation efficiency.
- Concentrating Cyclohexylbenzene Hydroperoxide via Thin-Film Evaporation
Vacuum distillation separates cyclohexylbenzene from the mixture, preventing thermal degradation during concentration.
- Integrated Methyl Acetate and Methanol Production via Synthesis Gas Recycling
Recycles hydrogen-enriched synthesis gas from methyl acetate production into methanol synthesis, eliminating purge gas disposal losses.
- Sulfur-Tolerant Catalyst for Bio-Ethanol Amination
A sulfur-tolerant heterogeneous catalyst enables bio-ethanol amination without upstream desulfurization, preventing rapid deactivation from sulfur poisoning.
- Liquid Phase Synthesis of Bis-acyloxylated Exomethylene Compounds
Liquid phase reaction of monoacyloxylated exomethylene compounds with carboxylic acid and oxygen using a catalyst to produce bis-acyloxylated products.
- Palladium-Catalyzed Alkoxycarbonylation of Delta-Lactone
A palladium catalyst system converts delta-lactone and alcohol into substituted 2-octendioate diesters under controlled pressure.
- Tapentadol Synthesis via Phosphorus Tribromide Mediator
Phosphorus tribromide mediates tapentadol chlorination, eliminating hazardous thionyl chloride and boosting yield.
- Methanol Pre-Converter Temperature Control via Recycle Gas
Adjusting recycle gas flow controls pre-converter outlet temperature, preventing catalyst deactivation from thermal sintering in low-quality synthesis gas.
- Catalyst Pore Structure for Aliphatic Alcohol Hydrogenation
Large catalyst pores promote rapid product diffusion, preventing by-product formation and improving yield in fatty acid hydrogenation.
- Fireproof Composition Using Carbon Nanotubes and Polysiloxane
A fireproof composition combines reticulated polysiloxane with raw carbon nanotubes to create a flexible, heat-resistant material.
- Olefin Azeotropic Entrainer for 1,3-Dichloro-2-Propanol Isolation
An olefin acts as an azeotropic entrainer to separate 1,3-dichloro-2-propanol from waste streams.
- Cu-Based Dehydrogenation Catalyst for Acetoin Production
Copper-based dehydrogenation catalyst converts dihydric alcohols into hydroxyketones, eliminating sulfur and nitrogen impurities from thiazole salt processes.
- Hydrogenation Process for Alkyl Pyroglutamic Acids
A hydrogenation process converts nitro groups to amines using formaldehyde and a catalyst.
- Treprostinil Monohydrate Stability and Static Charge Reduction
Treprostinil monohydrate eliminates dimer formation and static charge risks by introducing water into the crystal lattice for stable storage.