Organic Compound Preparation TRIZ Cases

Silane coupling agents modify metal salt surfaces to improve dispersibility and crystallinity in filled polyolefin resins.

Selective crystallization isolates L-carnitine from racemic mixtures using specific solvent solubility parameters, eliminating complex auxiliary agents.

Porous composite materials with co-catalysts produce performic acid, resolving equilibrium limitations and corrosion issues.

Suspend red crystals in moist organic solvent to remove impurities and achieve decolorization.

Monosulfonated catecholate ligands bind to titanium centers to form highly soluble coordination complexes for electrochemical energy storage.

Optimized phosphotungstic acid catalysis achieves high yields and conversion rates while reducing safety risks from concentrated hydrogen peroxide.

ZrO2-supported ruthenium catalyst resolves low space-time yields and rapid deactivation by maintaining high activity for demanding substrates.

Chlorination of 4-methoxybenzylamine hydrochloride with hydrogen peroxide and hydrochloric acid followed by tertiary amine recrystallization.

A Rh(I)-catalyzed tandem process converts propargyl vinyl ethers to (E,Z)-dienals, eliminating toxic reagents and improving atom efficiency.

Replacing explosive 2,4-dinitrophenolate with nitrate anions eliminates safety hazards while maintaining catalytic activity for mass production.

Mono neo-alcohol esters deliver moderate polarity for polar additive solubility while maintaining high oxidation stability.

A bifunctional catalyst merges basic sites with nickel nanoparticles to drive retro-aldol condensation and hydrogenation.

Solvent extraction recovers phenol from aqueous waste streams, reducing consumption and complexity in bisphenol-A production.

Adjusting sulfuric acid concentration to 98.0-100.0 wt% suppresses methacrylonitrile and acetone generation, improving polymer quality.

Vinylogous amide protecting groups enable scalable sphingoid base production, resolving low yield and safety hazards in traditional extraction.

A fragrance composition containing methyl dihydrojasmonate with controlled cis isomer content combined with a specific compound.

Peroxycarboxylic acid oxidizes organic impurities in monochloroacetic acid, preventing thermal decomposition and discoloration during storage.

Evaporate water or add sodium chloride to increase aqueous phase density, resolving insufficient separation at low acid catalyst levels.

Replacing halogen reagents with halogen-free catalysts eliminates toxic byproduct removal steps while increasing polymer molecular weight and yield.

A demulsifier enables rapid phase separation during aromatic nitro compound washing stages.

Carboxylic acid recrystallization increases solubility to reduce solvent volume and energy consumption while maintaining purity.

Conformationally rigid protecting groups stabilize unstable organoboronic acids for storage and enable controlled deprotection during reaction.

Trichlorosilane reduces nitro groups to amines with an organic base, eliminating metal contamination from catalytic hydrogenation.

A sulfided catalyst with molybdenum, vanadium, and cobalt converts syngas into mixed alcohols.

A radical polymerization initiator generates acid to enable chemically amplified resist patterning.

Limiting acrylic acid dimer in raw materials prevents alkylene glycol diacrylate generation, ensuring hydroxyalkyl acrylate preservation stability.

A peptide production method uses one-pot operations with water-acetonitrile precipitation to remove residual amino acids.

Catalytic palladium system achieves selective ortho-halogenation, resolving low purity and yield issues in pharmaceutical intermediate synthesis.

Elevated temperature hydrolysis of DHDNDP yields DADNE, preventing sudden frothing and shortening reaction time.

Internal plate heat exchangers condense acrylic acid vapors concurrently with liquid flow, reducing pressure drop and polymerization risks.

A pressure swing adsorption system adjusts synthesis gas ratios to enable methanol production from organic waste streams.

Chromium 4-hydroxyisoleucinate resolves insufficient glucose uptake in diabetes by activating GLUT4 transporters to improve insulin resistance.

A method prepares taurine, methyltaurate, and methyltaurine by reusing mother liquor with methylamine.

Oxidants decolorize L-carnitinenitrile chloride solutions into transparent products.

Replacing hazardous chromium reagents with nucleophilic displacement raises synthesis yields from 15% to 70%.

A montmorillonite-supported metal oxide catalyst composition enables acylation of glycerol with acetic acid.

Ketal protection enables silica separation and reduced pressure distillation, resolving energy-intensive purification bottlenecks for magnetic media lubricants.

Ammonium isethionate enables cyclic taurine synthesis through continuous ammonolysis and mother liquor recycling.

Hexa-coordinate iron(II) complexes with tetradentate diimino-diphosphine ligands catalyze asymmetric hydrogenation of ketones and imines.

A process produces unsaturated quaternary ammonium salts by reacting methyl chloride with excess tertiary amine in water and separating the phases.

Hydrocarboxylation of formaldehyde uses a homogeneous acid catalyst and hydrophilic solvent extraction to separate glycolic acid esters from carboxylic acids.

A continuous flow tubular reactor enhances heat and mass transfer during acid-catalyzed decomposition of aryl hydroperoxides.

Branched metal carboxylates improve thermal and oxidative stability while controlling friction coefficients and fuel economy in limited slip differentials.

Segmented baffles resolve the contradiction between circulation speed and local heat transfer coefficient, preventing catalyst-damaging hot spots.

Ruthenium catalyst enables mild hydrogenation of glyceryl-tris-(3-hydroxybutyrate) ester, achieving over 99% purity without chromatographic purification.

Silylation prevents water-induced diol formation, resolving the contradiction between high reaction speed and operability in hemiaminal production.

One-pot condensation of bis-(2,4-dialkoxyphenyl) monomers with formaldehyde yields macrocyclic cage molecules.