Organic Compound Preparation TRIZ Cases

Complex cardo phenanthrene monomers suppress molecular chain fluidity, enabling optical resins to reach refractive indices of 1.7 or higher.

Reducing pre-formed palladium oxide suppresses particle coagulation, resolving low selectivity in alpha,beta-unsaturated carboxylic acid production.

Selective methylation and catalytic hydrogenolysis produce (R)-2-acetamido-N-benzyl-3-methoxypropionamide with over 99% HPLC purity.

A vinyl acetate distillation column uses CO2-saturated water vapor as a heating medium to lower operational temperatures.

A magnetic dynamic settling system agglomerates catalyst particles using a magnetic field to separate solids from liquid effluent.

Cyclodextrin-based extraction agents resolve the trade-off between separation efficiency and process complexity in coal tar processing.

Iodine-containing vinyl polymer resist composition enhances exposure sensitivity while avoiding expensive reagents and stringent synthesis conditions.

Ion exchange reaction produces onium salt acid generators with controlled pKa values.

Incorporating alkali metals into apatite crystal structures raises unsaturated carboxylic acid yields above 75% during hydroxycarboxylic acid dehydration.

High solids alkaline oxidation converts lignin to soluble products, increasing methane yield by 50 Nm3/ton while suppressing repolymerization.

Sequential cooling of alkane solutions raises CBDv purity above 97 wt% while reducing isolation complexity.

Vacuum molecular distillation separates EPA from sardine oil impurities, avoiding toxic reagents and achieving high purity levels.

A one-pot Michael-Claisen process synthesizes substituted cyclohexane-1,3-dione derivatives using sodium hydride and alpha,beta-unsaturated esters.

Regulating aqueous solution pH to 11 through 13 converts formic acid and esters into formate, preventing apparatus corrosion while maintaining high yield.

Removing acid-sensitive ester groups from acrylamide photoinitiators maintains synthesis ease while ensuring chemical stability in acidic environments.

Novel precursors resolve low solubility and reaction yield bottlenecks in PHIP-SAH methods, achieving high chemical purity.

Segmented reaction zones using Mo-Fe-Bi and Mo-V catalysts minimize cyclopropane isomerization, preventing propionic acid contamination.

Maintaining 200-5000 ppmw cyanide ions prevents catalyst deactivation while increasing IPDA selectivity and yield.

Quaternary ammonium salt-type anthraquinone active material increases solubility in neutral sodium chloride solutions.

Optimized isomer distribution and C11-12 diol content in tricyclodecane dimethanol improve coating solvent resistance without compromising curing rate.

Amorphous alloy catalyst converts syngas into methanol and dimethyl ether, resolving low CO conversion and carbon availability issues.

Alkyl ether amines selectively remove silicate from iron ore while minimizing valuable mineral loss through structural parameter changes.

Esterification converts butanediol into diesters that scrub pyrolysis gas, eliminating complex drying steps and reducing operational costs.

Compressing fresh feed and recycle gas in a single stage eliminates separate compressor units, cutting energy consumption for high CO2 methanol production.

Operating a pressure filter above the solvent boiling point keeps the cake hot, preventing acetic acid condensation and dryer fouling.

Contact-treating a Raney catalyst with organic acids reduces by-product impurities during ketone hydrogenation, achieving high-purity alcohol production.

Molecular sieve adsorption and distillation remove methyl propane impurities from trifluoroiodomethane, preventing tangent pinch behaviors during scale-up.

One-pot synthesis of isosorbide-based methacrylates creates low-viscosity curable resins.

A multilayered woven wire mesh substrate supports a defect-free ceramic membrane for selective molecular separation.

Controlled alkali and alkaline earth promoters in iron catalysts reduce HMI impurities while maintaining AMCPA yield during dinitrile hydrogenation.

Base-free reduction with palladium on carbon produces phenylethylamines without hazardous reagents or complex purification steps.

Platinum-bismuth catalyst converts methanol to formaldehyde at 70°C with high selectivity.

A phase transfer catalyst facilitates mass transfer between immiscible reaction phases in continuous microscale reactors.

Controlled acid value and alkali metal content in 1,6-hexanediol improve polyester hydrolysis resistance without complex catalyst recovery.

An ionic liquid solvent selectively extracts contaminants from crude terephthalic acid, eliminating costly hydrogenation steps and reducing capital expenses.

Liquid solvent systems enable uniform distribution of sticky NBPT inhibitors on urea prills, resolving handling issues that cause nitrogen loss.

A reactive distillation column performs succinic acid esterification while continuously separating dialkyl succinate.

Superatmospheric hydrogen chloride converts crude glycerol to chlorohydrins, reducing chlorine consumption and unwanted by-products.

Jet compressor recycles scrubbed gas using ethylene motive flow, reducing compressor energy consumption and steam requirements.

A chemical process yielding iridium acetate with low halide content through precipitation and acetic acid treatment.

An extractive agent modifies relative volatility to separate monochloroacetic acid from dichloroacetic acid via distillation.

Reforming fuel via catalyst enables switching between combustion modes, resolving narrow operable regions.

Convergent synthesis of FMCA and FMCG reduces step count and cost by preparing carbocyclic intermediates from cyclopentanone derivatives.

Controlling pH during purification removes polymerization-inhibiting unsaturated aldehydes, enabling high-molecular-weight polymer production.

A shell catalyst applies a finely divided multi-element oxide mixture to a support body using a binder.

Ethylene glycol functional groups modify styrene polymers to boost silica filler affinity, resolving dispersibility trade-offs in tire rubber.

Transesterification of cycloaliphatic dicarboxylic acid with carbonate via basic catalysis and distillation removes hazardous phosgene while maintaining yield.

A one-step amination process converts halobenzenes to primary anilines using urea and palladium catalysts.

Installing a high pressure column with integrated heat exchange increases refining capacity while lowering energy consumption.

Phenanthroline-stabilized molybdenum complexes achieve autoactivation via equilibrium, eliminating Lewis acid requirements and improving air stability.