Organic Compound Preparation TRIZ Cases

A heterogeneous catalyst concentrates noble metals in the outer shell of large particles to boost catalytic activity.

Thermal elimination with metal salt catalysts in polar aprotic solvents resolves low selectivity by achieving high beta-gamma alpha-beta ratios.

Triallylamine replaces pyridine catalysts in acrolein and methylmercaptan synthesis, eliminating high-boiling impurities that plague conventional processes.

Ortho-substituted bidentate diphosphanes enable palladium-catalyzed carbonylation of unreactive aromatic chlorides to achieve near-quantitative yields.

Solid acid catalyst converts fructose to levulinic acid in ethylene glycol solvent, enabling easy separation and reuse while eliminating wastewater generation.

Continuous process using acid polymeric heterogeneous catalysts eliminates sodium butyrate waste streams while maintaining at least 92% selectivity.

Ruthenium complex with acidic additives drives 1,4-hydrogenation of dienes to cis alkenes, replacing toxic solvents and Lewis acids for higher yield.

Acid-catalyzed synthesis of tetrahydropentalenyl-metal complexes eliminates platinum contamination, preventing polyolefin degradation.

Sterically hindered alcohols prevent esterification during preparative-scale chiral chromatography, maintaining high yield and purity of carboxylic acids.

Replacing acid or titanium catalysts with a divalent zinc variant reduces reaction time while preventing precipitation and maintaining product stability.

Pt/TiO2 catalyst drives stereoselective hydrogenation of phthalates, resolving poor conversion and low product purity inherent in conventional methods.

Non-toxic HDAC inhibitors activate retinoic acid signaling to expand renal progenitor cells, accelerating recovery from acute kidney injury.

Bridged binuclear catalysts merge two tin centers with alkyl bridges to reduce extractability and improve filterability in ester and urethane reactions.

Base generator catalyzes siloxane condensation to form dense SiO2 network, preventing side etching during hydrofluoric acid washing.

Dynamic ligand exchange stabilizes rhodium complexes in hydroformylation, preventing metal loss and ligand degradation at elevated pressures.

A methanol synthesis loop integrates boiling water and radial flow converters to optimize catalyst temperature control.

Optimizing solvent systems for benzylsulfonyl dipeptide coupling eliminates chromatography, resolving poor solubility bottlenecks.

A continuous reactor with a rectification column distills butyl acrylate, unreacted butanol, and water as a ternary azeotrope for phase separation.

Direct synthesis of a novel ketone eliminates camphorated impurities while delivering pure amber notes with two-week substantivity.

Merging coupling and deprotection steps eliminates impurities and reduces process complexity while achieving high purity.

Nanofiltration treats electrodialysis waste streams to recover betaines, reducing organic freight and increasing product yield.

MxAl(1-x)O(3-x)/2 carrier loaded with palladium reduces reaction pressure while maintaining catalyst stability.

Integrated heat exchanger tubes surrounded by coolant in a loop-Venturi reactor enhance heat dissipation and space-time yields during exothermic reactions.

A two-step catalytic process converts t-butyl chloride and vinyl acetate into 3,3-dimethylbutyraldehyde using aluminum trichloride or iron trichloride.

Replacing toxic lead and mercury cathodes with non-toxic metals minimizes gas evolution while achieving high conversion rates for valeric acid.

Segmenting fixed-bed reactor zones with independent heat control optimizes catalyst activity and reaction conditions.

Sequential impregnation with drying steps creates a core-shell structure that boosts vinyl acetate selectivity while lowering precious metal costs.

Beta-amino acid electrolytes replace toxic stabilizers to prevent uncontrolled deposition and edge weakness in metal layers.

Carbon-carbon bond forming condensation transforms C3-C5 oxygenates into C6+ compounds, reducing hydrogen consumption during subsequent hydrotreatment.

Elevating liquid reaction temperature in a secondary reactor boosts acetic acid yield during methanol carbonylation.

Biosynthetic production of capsinoids via heterologous expression of capsiate synthase and acyltransferase in microbial hosts.

Replacing hazardous NaH with sodium alkoxide maintains reaction efficiency while eliminating combustion risks during aminoimidazole carboxylate production.

Aldehyde-modified acrylate polymers form crosslinked networks to resolve the trade-off between chemical durability and production complexity.

Hexachloroacetone reacts with hydroxyl compounds using a metal salt catalyst to produce carbonate compounds selectively.

A bifunctional linker joins proteins to active agents via selective amine reaction and stable triazole formation.

Synthesizing mixed carbon length Guerbet alcohols from primary alcohol mixtures to produce tailored surfactant compositions.

Segmented catalyst layers regulate hot spot temperature fluctuations during fixed bed multitubular reactor operation.

Multi-function catalyst converts ethanol to para-xylene with high selectivity, reducing capital-intensive separations for polymer-grade production.

Alkyl peroxodisulfuric acid derivatives initiate radical sulfonation of alkanes with sulfur trioxide to produce high-purity alkanesulfonic acids.

Copper catalysts drive cyclization of halo-substituted benzamide intermediates to synthesize tafamidis.

Triphenylphosphine stabilizes rhodium organopolyphosphite catalysts in continuous hydroformylation processes.

Oxidative dehydrogenation converts ethane to ethylene using a catalyst and oxygen feed.

Heterogeneous catalysts hydrolyze methacrylic acid esters, eliminating sulfuric acid waste and reducing energy consumption during production.

Modified Caro's acid overcomes lignin condensation by enabling stable aromatic ester production with reduced water content.

Ionic liquids replace organic solvents and strong acids during dialkoxyalkane cleavage, eliminating hazardous waste disposal.

Esteramides replace viscous polyamides to lower pour points below zero, eliminating solvent needs and improving low-temperature handling.

A selective oxidation reactor system converts methane, carbon dioxide, and steam into acetic acid using a specific catalyst.

A polylactide composition combines an elastomeric polymer and a phthalate-free plasticizer to achieve high elongation at break.

High-pressure oxygenate synthesis eliminates gas recycling and carbon dioxide removal by converting synthesis gas directly to gasoline.

Segmented reactor stages process synthesis gas to optimize methanol yield and reduce carbon oxide loss.