Organic Compound Preparation TRIZ Cases

Transforming free acid elafibranor into specific salt forms improves photostability and solubility for liver disease treatments.

Hydrophobic liquid cation exchangers shift partition equilibrium to extract positively charged organic compounds from aqueous solutions.

Distillation removes water by-products during chlorohydrin synthesis, resolving inhibition issues and improving selectivity.

Stripping extracts HCN from crude dinitrotoluene before washing, reducing wastewater volume and protecting catalysts.

A carboxylic acid production process routes oxidation byproducts with isolated solids to reduce purge requirements.

Transitioning from gas phase to liquid phase oxidation with palladium and copper catalysts eliminates inorganic by-products while boosting substrate conversion.

Metal-oxo intermediaries enable selective amination of hydrocarbons, avoiding harsh radical mechanisms and reducing by-product formation.

Liquid-liquid extraction separates phosphorus catalyst from acrylonitrile dimer, preventing thermal decomposition during recovery.

Ion-exclusion chromatography recovers tungsten catalysts from retro-aldol reaction effluents, resolving contradictions between conservation and activity.

Coelenterazine generates light upon moisture contact to provide visible wetness indication without external excitation.

Vacuum esterification removes water during reaction, shifting equilibrium to achieve 99.5% purity and bypassing complex purification steps.

Low-temperature water treatment hydrolyzes Lewis acid catalysts to prevent thermal degradation and salt formation in polyol esters.

Reactive extrusion integrates hydrolysis and extraction to boost yields while cutting energy use.

Amine-reacted fragrance precursors replace toxic Lilial by enabling delayed release of muguet odor compounds without regulatory concerns.

BIPHEPHOS phosphite ligands stabilize the rhodium catalyst, suppressing branched isomers and reducing separation energy.

A ketimine compound reacts with water and hydrogen chloride to produce 2-aminoethyl methacrylate hydrochloride.

In situ extraction into an organic phase lowers butanol toxicity to maintain high effective titers.

Gas-phase thermal desorption reduces nitrate residues below 1.8 ppm in adipic acid without causing decomposition.

Hydroalkylation of benzene creates stable multi-ring aromatics that prevent benzene decomposition and improve cold flow properties.

Specific diester compounds with controlled branching reduce evaporation while maintaining low viscosity for reliable motor operation.

Replacing ozone-depleting trichlorotrifluoroethane with hydrofluoroethers eliminates global warming contributions while maintaining phase separation efficiency.

A tapered packing element reduces reaction tube volume toward the outlet to control catalyst loading density and fluid flow.

Segmented catalyst stages in microchannels boost C2+ oxygenate selectivity while maintaining isothermal operation and throughput.

Adamantane derivatives resolve heat resistance and light degradation trade-offs in epoxy resins via composite formulations.

Continuous esterification and hydrogenation integration reduces energy consumption while increasing ethanol selectivity and minimizing by-product formation.

Liquid phase reduction of copper catalyst precursors using controlled hydrogen gas flow prevents solvent purity loss from high temperature by-products.

A bicyclopyrone intermediate synthesis method uses a base-catalyzed docking step followed by ammonium salt ring closure to form the target structure.

Aminoethanol sulfate ester reacts with sulfite and carbon dioxide to form taurine.

A knitted glass fiber fabric separates ionic liquids from organic phases through selective permeability and surface affinity.

Ozone cleaves exocyclic double bonds in formula II precursors to generate reactive intermediates for high-purity trans decaline synthesis.

Tert-butyl nitrite and boron trifluoride etherate synthesize stable diazonium salts, eliminating hazardous reagents required by conventional methods.

Gaseous ammonia in organic solvents achieves 90% yield and >99% purity, resolving scalability issues with conventional aqueous methods.

Optimizing hydrogen partial pressure in a two-reactor series reduces operating costs while maintaining high conversion efficiency.

A base-catalyzed elimination process converts substituted 3-halo-2-fluoropropionic acid derivatives into high-purity 2-fluoroacrylic acid products.

Fluorinated surfactants stabilize fluoropolymer emulsions, resolving environmental toxicity and cost issues in aqueous polymerization.

A process clarifies fermentation broth, distills volatile components, and uses cooling-induced crystallization to separate diammonium succinate from monoammonium succinate.

A ruthenium nanoparticle-activated charcoal-nano-zinc oxide composite catalyst enables one-step gas-phase self-condensation of acetone to methyl isobutyl ketone.

Mixed oxides of cerium and niobium catalyze oxidative cleavage of unsaturated fatty acids using molecular oxygen in solventless conditions.

Direct conjugate addition replaces palladium steps, cutting production costs.

Carbonylation and polymerization stages yield high-purity polylactones, enabling thermolysis to produce organic acids with controlled purity.

Water hydration prevents residue formation in 3-methylthiopropionaldehyde, eliminating costly additives and enabling direct methionine conversion.

Precipitated rare earth hydroxides on zirconia supports enable easy filtration and maintain selectivity above 95% during aldol condensation.

Replacing expensive palladium catalysts with copper complexes enables scalable synthesis of Z-alkenyl insect pheromones without toxic lead additives.

Oxidation with potassium permanganate followed by decarboxylation yields high-purity meso-tartaric acid without manganese contamination.

One-pot synthesis of benzimidazolyl phosphine ligands resolves efficiency-versatility trade-offs in cross-coupling with aryl chlorides.

Cesium-phosphate catalyst converts hydroxyisobutyrate precursors to methacrylates while minimizing methyl isobutyrate by-product formation.