Organic Compound Preparation TRIZ Cases

Hydrozincite heterogeneous catalyst enables continuous synthesis of heavy alkyl acrylates, reducing purification complexity and extending service life.

Composite transition metal malonate anode material enables reversible conversion reactions for lithium ion storage.

A process converts crude phosphorous acid into stable potassium phosphite via reaction with a potassium compound.

Generating isobutylene from t-butyl alcohol to react with acrylic acid, eliminating expensive refining processes.

Specific transition metal catalysts selectively reduce unsaturated carbonyls to alcohols, eliminating separation steps required by conventional hydrogenation.

Intercalating magnesium hydroxide layers with adamantane derivatives resolves low thermal stability and limited surface area constraints.

A biphenyl tetradentate phosphite ligand enhances rhodium catalyst stability in hydroformylation reactions.

Segmented heating apparatus vaporizes combustible gas to reduce stopping time while recovering latent heat.

Dehydrating linear alcohols to dialkyl ethers or hydrogenating to paraffins creates homogeneous materials with narrow melting ranges and high enthalpy.

Natural cinnamaldehyde undergoes catalytic hydrogenation to produce 3-phenylpropan-1-ol, avoiding hazardous petrochemicals and extensive purification steps.

Substituted acridan ring structures resolve the trade-off between hole mobility and thermal stability, enabling high-efficiency organic light-emitting diodes.

Water and dilute acid washing removes carcinogenic impurities without thermal drying, reducing solvent consumption.

Continuous product removal via a backpulse filtration system maintains reactor pressure and prevents catalyst loss during chemical synthesis.

Processing converter gas into enriched synthesis gas produces methanol, reducing CO2 emissions while improving carbon utilization in integrated steel plants.

Optimizing cleavage reaction composition and recycling effluent maximizes phenol and cyclohexanone yield while suppressing by-product formation.

Valorizes monopropylene glycol by-products into acrylic acid, reducing fossil CO2 emissions and improving carbon efficiency.

A condensed phase amine solution captures carbon dioxide and converts it into methanol using a hydrogenation catalyst in a single integrated reactor system.

Crystalline polymorphic forms alpha beta mu of Fingolimod hydrochloride enable stable active pharmaceutical ingredient production.

An alumina cartridge and ascorbic acid eliminate hazardous solvents and autoradiolytic decomposition during [F-18]FDDNP production.

Immobilized ionic polymers catalyze biomass degradation into fine chemicals while preventing catalyst leaching.

Solid paraformaldehyde replaces carcinogenic gas while continuous processing removes isolation bottlenecks to boost production efficiency.

Removing polyvinylpyrrolidone eliminates steric hindrance, enabling high transition metal concentrations and free substrate diffusion in aqueous suspensions.

Inorganic oxide solid catalysts maintain specific surface area during heat treatment of bis(hydroxymethyl)malonic acid ester.

Gold copper catalyst oxidizes alcohols with oxygen gases, achieving high yield and selectivity while minimizing degradation products.

Partial condensation followed by stripping recovers phosgene and hydrogen chloride, reducing energy consumption and solvent usage in isocyanate production.

Silica support doped with titanium and noble metal improves methyl methacrylate selectivity and crush strength.

Chemical synthesis of eremophila-1(10)-11(13)-dien-12,8β-olide overcomes natural source limitations by enabling high-purity production and analogue creation.

Optimized residence time distribution in the oxidative digestion reactor reduces carbon burn losses and eliminates expensive liquor exchange systems.

Synthesizing low-VOC polyamines via nitro reduction and trialkylamine coupling.

A base catalyst complex facilitates the nucleophilic aromatic substitution of urea with nitrobenzene to produce 4,4'-dinitrodiphenylamine.

Chiral catalysis directs enol phosphate isomerization to eliminate inactive (E,E) isomers, achieving over 98% purity while reducing chemical waste.

A segmented main reactor with independently controlled temperature zones manages o-xylene concentration during gas phase oxidation.

Segmented distillation columns dry methacrolein while recovering methanol, reducing impurities that hinder downstream oxidative esterification.

Decomposing diaryliodonium salts removes cold iodine contamination, enabling rapid infusion and improved tumor uptake.

Single device coating process eliminates transfer steps to prevent noble metal abrasion and improve yield.

Replacing chloride with bromide or iodide in the Pt-DPEphos system boosts hydroformylation yield and selectivity.

A composite oxide catalyst limits pentavalent antimony on particle surfaces to boost acrylonitrile yields from cheaper propane feedstocks.

Condensing reaction liquid in a dedicated column reduces nitric acid waste concentration below 4.0% by weight, minimizing nitrogen loss during ester production.

Segmented hydrogenation steps optimize temperature and pressure to convert biomass-derived dicarboxylic acids into high-purity diol monomers.

Purifying dinitrotoluene to limit carbon dioxide prevents catalyst poisoning during hydrogenation, extending service life and improving product purity.

Alkane promoter partitions low-water liquid mixture into distinct phases, resolving incomplete separation under high-acid conditions.

Convert high-boiling carboxylic acid to anhydride, bypassing difficult distillation of close boiling point mixtures.

Continuous acid-catalyzed dehydration of biobased alcohols yields structural isomers, reducing petroleum dependence and neutralization steps.

Molybdenum and vanadium mixed oxides catalyze allyl alcohol oxidation to acrylic acid in a single gas phase step.

Tumbling granulation at 1 to 35 G produces shaped catalysts with controlled particle size and high mechanical strength.

Amine adduct hardener cures epoxy resins at low viscosity, eliminating volatile thinners and blushing effects in cold conditions.