Organic Compound Preparation TRIZ Cases

Homo- and hetero-polyamino-acid derivatives of fullerene C60 enhance antiviral and anti-tumor bioavailability through covalent ligand bonding.

Para-phenylenevinylenes overcome slow LED response times by providing short luminescence lifetimes, enabling high-speed data transmission.

A copper zinc aluminum catalyst composition enables high yield N-methyl-p-toluidine synthesis via optimized reaction parameters.

Excess phosphorus trihalide suppresses halogenated by-product generation during cyclic alkylene phosphorohalidite synthesis, reducing purification complexity.

Low-pressure distillation eliminates chillers and active water separation, reducing reboiler load and wastewater costs for mass production.

A supported catalyst with group 8 to 11 metals reduces aldehyde concentrations in gas phase feed streams, preventing undesirable byproduct formation.

Introducing alicyclic units into the polymer chain transforms dark amber polyimides into highly transparent materials while preserving thermal stability.

Chemical bonding of alkoxylene derivatives prevents anti-fogging agent migration in resins, maintaining stable surface properties under humidity changes.

Replacing acidic conditions with base prevents aromatic ring overhydrogenation during platinum-catalyzed synthesis, achieving high enantiomeric purity.

Replacing n-butyl lithium with pyridine eliminates fire hazards and impurities while maintaining reaction temperature.

Microemulsion synthesis creates MoS2 catalysts with disordered sulphide layers, boosting ethanol selectivity from syngas conversion.

Acidifying recycled aqueous streams suppresses polymer formation, extending production run times and reducing fouling in methyl methacrylate processes.

A synthesis process for 7-methoxy-naphthalene-1-carbaldehyde uses 7-methoxy-naphthalen-2-ol as a starting material.

Quaternary ammonium salts catalyze asymmetric synthesis of chiral phenoxy propionic acid, achieving high enantiomeric excess without complex purification steps.

Reacting diethanolamine with amine-functional compounds and carbon oxide agents to synthesize chain-extended hydroxyethylethyleneamines.

Liquid phase aldol condensation of acetic acid and formaldehyde reduces explosion risk while maintaining production efficiency.

Continuous microreactor system eliminates explosion risks from azide and peroxo intermediates by converting them directly into stable end products.

Adding carbonyl intermediates redirects reaction kinetics, cutting isopropyl formate byproducts and improving isobutyric acid separation efficiency.

Vacuum distillation separates cyclohexylbenzene from the mixture, preventing thermal degradation during concentration.

Recycles hydrogen-enriched synthesis gas from methyl acetate production into methanol synthesis, eliminating purge gas disposal losses.

A sulfur-tolerant heterogeneous catalyst enables bio-ethanol amination without upstream desulfurization, preventing rapid deactivation from sulfur poisoning.

Liquid phase reaction of monoacyloxylated exomethylene compounds with carboxylic acid and oxygen using a catalyst to produce bis-acyloxylated products.

A palladium catalyst system converts delta-lactone and alcohol into substituted 2-octendioate diesters under controlled pressure.

Phosphorus tribromide mediates tapentadol chlorination, eliminating hazardous thionyl chloride and boosting yield.

Adjusting recycle gas flow controls pre-converter outlet temperature, preventing catalyst deactivation from thermal sintering in low-quality synthesis gas.

Large catalyst pores promote rapid product diffusion, preventing by-product formation and improving yield in fatty acid hydrogenation.

A fireproof composition combines reticulated polysiloxane with raw carbon nanotubes to create a flexible, heat-resistant material.

An olefin acts as an azeotropic entrainer to separate 1,3-dichloro-2-propanol from waste streams.

Copper-based dehydrogenation catalyst converts dihydric alcohols into hydroxyketones, eliminating sulfur and nitrogen impurities from thiazole salt processes.

A hydrogenation process converts nitro groups to amines using formaldehyde and a catalyst.

Treprostinil monohydrate eliminates dimer formation and static charge risks by introducing water into the crystal lattice for stable storage.

Incorporating Group IA and IIA metal ions into the catalyst system suppresses polyalkylation, yielding symmetrical oligomers with controlled molecular weight.

Rhodium catalyst hydrogenates trimethyl precursors to yield 1-(2,2,6-trimethylcyclohexyl)-hexan-3-ol with high conversion rates.

Contacting coumalate esters with unactivated alkenes using palladium catalysts to produce para-substituted benzoates.

Staged condensation isolates eugenol from roasted biomass vapors, reducing energy consumption and simplifying extraction operations.

Stripping liquid phase with gaseous HCl removes acid chlorides and anhydrides, preventing fouling and dark-colored products in dechlorination.

Adding desensitizers to BCHPC lowers its burning rate from Hazard Class 1 to Class 2 or 3, preserving initiator functionality for curing resins.

Evaporator kettle temperature above monoester boiling point removes formate impurities and boosts yield.

Rhodium complex catalyst selectively reduces dienones to enones, eliminating nitrogen additives and improving atom economy.

A Pd-Cu bimetallic catalyst on carbon support drives reductive amination of halogenated substrates.

Quaternary amine compositions adsorb onto metal surfaces to form protective films in well fluids.

Adjusting the biphasic mixture pH extracts unreacted hydroperoxide into an aqueous phase, resolving impurity issues while maintaining high material efficiency.

Acetalization transforms polyols into distinct derivatives, enabling separation of components with close boiling points.

Disposable chiral polystyrene microspheres separate racemic amino acids via filtration, eliminating complex chromatographic instruments.

A continuous neutralization ring line with integrated heat exchangers manages educt mixing and thermal dissipation.

Segmented oxidation reactors maintain optimal reaction temperatures to enhance alkyl hydroperoxide production efficiency.

Segmenting the catalyst into layers with distinct activities controls hot spot temperatures, extending catalyst life while maintaining high methanol conversion.

Esterification converts glycolic acid to alkylglycolate, separating the homogeneous sulfur catalyst and reducing corrosion in production.

Inert gas stripping removes alcohol from ester mixtures without generating wastewater or oxidizing the product.