Organic Compound Preparation TRIZ Cases

Chiral catalyst enables selective hydrogenation of compound 2, achieving high enantiomeric purity while reducing process complexity and production cost.

Precipitation forms ferulic acid granules with median diameter above 400 micrometers, eliminating dust explosion risks while maintaining dissolution properties.

Water-induced precipitation stabilizes menthyl lactate, preventing the melting point drop and acidic odor that degrade solid storage quality.

Carboxylic acid reduces glycerol viscosity, enabling high conversion rates without solvent dilution.

Carbonating alkali metal carboxylate solutions in alcohol eliminates sulfuric acid use, preventing sodium sulfate waste and corrosive conditions.

In-situ catalyst activation via base treatment avoids mechanical damage during reactivation, improving conversion.

Removing inert gases before reforming reduces reactor volume and operating costs while increasing synthesis gas hydrogen content.

Ia3d mesoporous indium oxide prevents particle aggregation during hydrogenation, maintaining catalytic activity and stability.

Continuous liquid-phase dehydration converts 3-hydroxypropionic acid to acrylic acid using an inert organic solvent.

Sequential impregnation creates a shell-type catalyst structure that enhances vinyl acetate selectivity while reducing carbon dioxide generation.

Lithium removal in vapor stream protects ion exchange resin, maintaining catalyst stability and purity.

A magnetic separation apparatus uses an inner cylindrical vessel to absorb and release magnetic particles from solid-liquid mixtures.

Carboxylic acid reduces catalyst precursor fracturing during calcination to stabilize particle size and distribution.

Synthesizing etheramines from bio-sourced 2-octanol resolves silicate removal selectivity while improving ecotoxicological profiles.

Selective crystallization isolates L-carnitine from racemic mixtures using a second solvent with low solubility.

Novel dissymmetric N,N-dialkylamides extract uranium and plutonium from acid solutions.

Hydrophobic solvent extraction overcomes azeotrope formation to purify ethylene glycol from three- and four-carbon diols.

Immobilizing palladium on a solid support eliminates complex purification steps while maintaining catalytic activity for biaryl synthesis.

A chiral anion phase-transfer catalyst solubilizes cationic electrophiles to enable enantioselective fluorination reactions.

Radial-axial reactor design with internal heat-exchange winding tubes reduces pressure drop while maintaining uniform temperature distribution.

Dialkyl imidazolium ionic liquid solvent reduces 4-carboxybenzaldehyde and para-toluic acid contaminants, eliminating catalytic hydrogenation steps.

Fluoroformates of alcohols undergo fluorination with elemental fluorine at 20°C or higher, avoiding hydroxyl decomposition and reducing energy consumption.

Copper, manganese, and cerium complexes suppress polymerization to eliminate facility cleanings.

Dividing the fixed-bed reactor into two sequential zones controls hot spot temperatures to prevent catalyst degradation and increase yield.

Hydrothermal liquefaction decomposes cellulose acetate waste into acetic acid and diethyl phthalate, preventing substance loss from landfill disposal.

Microporous nickel particles catalyze condensation polymer breakdown in alcohol, enabling simple filtration to prevent catalyst loss.

Transforming viscous AHU-377 into a crystalline salt via parameter changes resolves industrial handling difficulties while maintaining high purity.

Extractive distillation with glycerol separates high purity diols while avoiding azeotropes and reducing energy consumption.

Enzymatic hydrolysis converts homofarnesylnitrile to acid while holding the E,E double bond configuration, avoiding base-catalyzed isomerization.

Excess acid esterification reduces reaction time while lowering pour points to resolve tropical climate lubricant performance trade-offs.

Metal-organic framework catalysts selectively cleave aryl-ether bonds in lignin, avoiding complex mixtures and enabling catalyst reuse.

Nitrogen gas stripping removes carboxylic acid contaminants from oleum, enabling economical recycling and reducing toxic effluents.

A molybdenum-bismuth-cobalt catalyst uses controlled bismuth concentration gradients to drive hydrocarbon oxidation reactions.

Reduced enediamines derived from p-phenylenediamine extend efficacy duration while maintaining additive compatibility in tire components.

Phosphoric acid-treated wood carbon removes impurities to lower odor levels without complex purification steps.

A supported catalyst using nickel, copper, and molybdenum components synthesizes polyether amine with high conversion rates.

A pyrrolidine catalyst enables asymmetric aldol reactions with high enantiomeric excess.

Ammonium isethionate converts alkali isethionate to taurine, recovering byproducts to eliminate inorganic salt waste and boost yield.

Transition metal-phosphate catalysts convert ethanol into methylbenzyl alcohols with 60% selectivity, bypassing aromatic feedstock shortages.

Hydrogenating compound II with water-containing palladium catalyst in dioxolane prevents oxidized impurity formation.

Estolide esters derived from high unsaturation vegetable oils modify polymer matrices to enhance tensile properties and thermal stability.

Oxidative dehydrogenation converts saturated carboxylic acid byproducts into unsaturated acids using mixed metal oxide catalysts.