Organic Compound Preparation TRIZ Cases

Replacing bromine with sodium hypochlorite eliminates toxic by-products and corrosive hazards while maintaining reaction effectiveness.

Adsorbing dye impurities over multiple media during synthesis eliminates discoloration and reduces manufacturing complexity.

Monophosphine addition prevents rhodium clustering and ligand degradation, reducing replenishment costs while maintaining regioselectivity.

A synthesis route converts alkyl benzene to indeno-fused naphthol through a succinic acid intermediate.

A flexible monoethylene glycol purification process adapts operating modes based on salt content to optimize energy use and maintain high solvent purity.

Rotary pressure drum filter separates TMCD solids from slurry while reducing filter cloth fouling through controlled particle size distribution.

Perfluorinated chiral triols resolve achiral agent limitations by achieving high binding constants for selective anion coordination.

Ruthenium catalyst with phosphine ligands overcomes slow reaction rates and low selectivity in glycolic acid hydrogenation.

Calcining a composite precursor containing calcium silicate enhances conversion ratio and selectivity during 7-octenal production.

Alkaline catalysis of norbornane diols with acetylene yields divinyl ethers that maintain water stability while enabling high ultraviolet light transmission.

Reducing reaction pressure during hydroformylation maintains rhodium activity while improving linear dialdehyde selectivity despite water presence.

A continuous process maintains base catalyst concentration during aldol condensation to produce 2-(1-hydroxyalkyl)cycloalkanone.

Segmenting the purification into two columns with water as an intermediary reduces energy input while maintaining high product purity.

Dissolved chloride salt accelerates methyl lactate esterification, enabling efficient phase separation without separate purification steps.

A Strecker synthesis process for methylglycine-N,N-diacetic acid trialkali metal salts limits free hydrocyanic acid concentration during reaction.

Solid acid catalyst enables formaldehyde hydrocarboxylation at moderate temperatures and pressures.

A catalytic process precipitates unsaturated carboxylic acid salts from reaction mixtures for mechanical separation.

Piperidine catalyzes regioselective polycyclotrimerization of diaroylacetylenes to produce soluble hyperbranched triaroylbenzene polymers.

Electrolytic hydrogen synthesis converts flue gas CO2 into hydrocarbon fuels using reserve electrical energy.

A nanocrystalline copper supported manganese dioxide catalyst performs liquid phase glycerol oxydehydration to acrylic acid.

Controlled thermal treatment of mixed oxide precursors reduces volume shrinkage, preserving mechanical strength for stable methanol synthesis reactors.

Porous activated carbon fibers disperse nano-zinc oxide to improve heat dissipation, preventing temperature runaway during ibuprofen rearrangement.

Optimized reaction parameters and intermediate purification steps resolve yield and purity trade-offs in Roflumilast manufacturing.

Palladium catalyzed cross coupling stabilizes adapalene yields, resolving industrial scale control issues.

A method for preparing (2S,3S)-3-amino-bicyclo[2.2.2]octane-2-carboxylate using chiral reductive amination and ester configuration flips.

A method producing redox-active Ti(IV) coordination compounds directly as flow battery electrolytes using hydrous titanium oxide precipitation.

Continuous hydrobromination process using gaseous hydrogen bromide in aliphatic solvents to synthesize omega-bromoalkanoic esters.

Segmenting the anode into distinct sub-layers balances charge injection, resolving operating voltage stability deterioration over time.

Replacing organic solvents and extreme cold with water and mild cooling reduces energy consumption while maintaining product selectivity.

Optimized molecular structure enables effective hydrate dispersion at high water-cuts, reducing inhibitor dosage costs.

Direct spray-drying eliminates complex crystallization steps to produce stable zinc or magnesium lactate powders with superior flowability for tabletting.

A biosensor device modulates local pH gradients using segmented working electrodes and electrochemically active agents.

A hydromethanation process uses a dedicated syngas generator to supply hydrogen and carbon monoxide directly to the reactor.

A polyester polymer with controlled ester groups maintains polyolefin-like crystallinity and melt temperature.

Improved Cabozantinib synthesis uses alternative solvents and bases to achieve high yield without column chromatography.

Solid acid catalysts drive stereoselective cyclodehydration of diols, preserving chirality and eliminating organic solvents.

Merging reaction steps and optimizing parameters increases yields of RORγt antagonist intermediates while reducing cycle time.

Treat 1-aminocyclopropanecarboxylic acid hydrochloride with tertiary amine to crystallize the 0.5 hydrate form for subsequent dehydration.

Esterified alkenyl succinic acid compounds restore engine wear protection in low-sulfur diesel fuels while maintaining lower viscosity.

Molten salt catalyst converts lactic acid to acrylic acid via liquid phase dehydration.

Hybrid methylene bis-anilines provide stable two-component liquid resin systems with low reactivity and high mechanical properties.

A homogeneous catalyst recycles liquid-phase ethanol and C2+ oxygenates to enhance C3+ monohydric alcohol production.

Heating propargyl alcohol intermediates without oxidizing agents or bases prevents photo-oxidation impurities and eliminates hazardous base usage.

Segmented heterogeneous catalysts enable direct lactic acid synthesis from 1,2-propanediol, eliminating alkaline hydrolysis steps and solid residue generation.

Coupling fullerene with doped triarylamine derivatives boosts solar conversion efficiency while lowering production costs compared to silicon.

A continuous flow process converts oxalic acid to glycolic acid using a supported metal catalyst in a fixed bed reactor.

A method transforms ethanol into acetic acid using specific enzymes to isolate non-exchangeable hydrogen isotopes for precise measurement.

Sequential airlift reactors remove oxidation inhibitors to maintain high selectivity, preventing by-product formation during cumene hydroperoxide production.

Guard bed purification of biomass-derived succinic anhydride prevents catalyst poisoning and extends lifetime during THF production.