Organic Compound Preparation TRIZ Cases

MoBiFe catalyst with specific XRD peak ratios converts ammonia to acrylonitrile while suppressing CO2 side reactions.

Rhodium catalyst with organophosphorous ligands converts dilute olefins to branched oxygenates, resolving catalyst degradation in high alkane streams.

Solid base supported Ca/Na on silica catalysts enable selective aldol condensation while avoiding salt contamination from homogeneous processes.

Partial conversion electrodialysis separates lactic acid from fermentation broth while minimizing power consumption through continuous salt recycling.

Ester prodrugs improve water solubility and local delivery while eliminating fibrotic effects from alcohol.

Hydrochlorinating glycolic acid with absorbed hydrogen chloride yields monochloroacetic acid while eliminating dichloroacetic acid by-products.

High-temperature direct amidation suppresses unwanted 1,4-adduct formation and eliminates costly activating reagents during synthesis.

Segmented temperature profiles and ammonia stripping reduce thermal degradation by-products in methylglycine-N,N-diacetic acid trialkali metal salt synthesis.

Nucleophilic substitution on halogenated precursors boosts specific radioactivity and yield of 18F-labeled BPA for PET diagnostics.

Norbornene-based liquid crystal alignment film undergoes photoreaction with polarized ultraviolet light to create anisotropic molecular orientation.

Heterogeneous sulfonated polyaromatic resin enables easy separation of acrylic acid from reaction mixture while achieving high yields via direct carboxylation.

Staggered baffle trays in distillation columns facilitate cascading liquid flow to reduce differential pressure fluctuations.

Triarylamine-based organic compounds balance low refractive index and carrier transport to improve outcoupling efficiency in OLEDs.

Potassium salt in monoethylene glycol mediates demethylation of Venlafaxine under phase transfer conditions.

Neutralizing alkyl salicylic acid with calcium oxide and carbon dioxide eliminates inorganic halides, reducing residual carbon values.

Hydrolyzing alpha-fluoromethoxycarboxylic ester yields sevoflurane, bypassing high-temperature fluorination hazards.

Segmented distillation removes ether impurities during decarboxylation to achieve 99.90% purity for pharmaceutical use.

Trialkyl orthoformate replaces traditional reagents to eliminate alcohol by-products and control exothermic heat release during synthesis.

A multi-step synthesis employs cis-trans isomerization and chiral catalysis to resolve the trade-off between raw material availability and enantiomeric purity.

Replacing sodium cyanide with isothiocyanate removes hazardous handling requirements while maintaining high purity and yield.

A process synthesizing single isomer naphthacene compounds from symmetrically substituted 1,1-diarylpropargyl alcohols using controlled heating.

Replacing stoichiometric sodium sulfate with a catalytic amount of sodium hydroxide eliminates large amounts of gas and residue waste during synthesis.

An integrated process converts renewable glycerides into paraffins and polyols using combined hydrolysis and hydroprocessing steps.

Solvent-free chlorination of 2-chloro-6-nitrobenzonitrile avoids expensive equipment and costly raw materials required by traditional ammoxidation routes.

Vapor-phase catalysis with palladium-alumina converts acetone and 2-aminoethanol to 2-(isopropylamino)ethanol, overcoming liquid-phase scalability limits.

Lipase-catalyzed hydrolysis resolves racemic mixtures to achieve high optical purity without specialized supercritical fluid chromatography facilities.

Near-infrared spectroscopy probe measures fluid characteristics in cumene hydroperoxide cleavage, eliminating filter maintenance and valve malfunctions.

Zinc oxide addition to vanadium phosphorus oxide shaped bodies improves selectivity and stability, reducing the required catalyst quantity.

Pressure swing system separates formaldehyde from crude acrylic acid streams using reversible oligomer formation and controlled phase transitions.

Replacing hazardous Grignard reagents with zinc-based chemistry to produce (S)-2-amino-5-chloro-alpha-cyclopropyl acetylene safely.

Sequential low and high-temperature phosgenation suppresses side reactions while maintaining high productivity.

A reductive amination process synthesizes 2-methoxymethyl-1,4-benzenediamine using quinone monoxime intermediates and optimized catalysts.

Low equivalent weight fluorinated ionomers maintain physical integrity and ionic conductivity at elevated temperatures without excessive swelling.

Fluidized bed reactor uses recirculating heat-carrying particles to fragment sugar feedstock into C1-C3 oxygenates.

Vacuum distillation separates concentrated sulfuric acid from waste acid generated during Zoalene nitration for direct reuse.

Maintaining below 3 weight percent unsaturated reactants favors chain transfer over extension, increasing product yield per gram of initiator.

A segmented catalytic process converts ethanol to dialkyl ethers using base and acid catalysts.

Activated carbon supported cobalt catalyst synthesizes mixed linear alpha-alcohols from synthesis gas via modified Fischer-Tropsch process.

Conjugated diene compounds undergo intramolecular sigmatropic rearrangement to form novel structures with high geometrical selectivity.

Counter-current esterification recycles unreacted succinic acid and mono-esters to maintain catalyst activity while removing impurities.

A nitroreductase biocatalyst converts aromatic nitro compounds to amines using a disproportionation agent.

A spirobiindane preparation process uses crystallization to yield high purity derivatives.

Macroporous basic ion exchange resin converts beta-keto-allenes to alpha,gamma-dienones, eliminating solvent neutralization and enabling continuous operation.

Introducing gas to expel ammonia generated by reacting urea and alkyl carbamate with aliphatic alcohol improves conversion rates and reduces reaction time.

Controlled reduction of nickel particles prevents sintering and removes aluminum impurities from traditional leaching methods.

Converts carbon monoxide by-products from oxidative dehydrogenation into hydrogen via water gas shift, reducing energy demand while increasing alkene yield.

Adding organic acid to ethoxylated amine reactors reduces glycol ether byproducts, eliminating foaming and color formation issues.

Mixing lactic acid with oligomers suppresses pyrolysis and prevents tube clogging during evaporation.