Organic Compound Preparation TRIZ Cases

Tungsten catalyzed oxidation of benzyl alcohol to aromatic aldehydes using hydrogen peroxide under controlled pH conditions, eliminating toxic metal waste.

Adding an amine base suppresses thermal degradation and tetrahydrofuran side products, enabling high-yield purification of E,E-homofarnesol.

Basic hydrolysis reduces reaction time to one hour and minimizes by-products during memantine synthesis.

Hydrolyzing cyclic alkyleneureas with limited water at high temperatures yields alkyleneamines while minimizing salt waste and corrosion.

A heating device for polymerizable materials uses counter-gravity flow and gas injection to maintain uniform oxygen concentration.

Hydrothermal synthesis at 100 to 300°C creates active M1 phase catalysts, eliminating energy-intensive high-temperature treatments.

Pressurizing and mixing side discharge streams with bottom discharge streams extends reboiler fouling cycles during phenolic decomposition.

Racemic amine resolution using tartaric acid derivatives isolates the chiral intermediate via selective crystallization.

Polar solvent extraction separates heavy lube oils into distinct phases, resolving high temperature distillation costs and inefficiency.

Introducing recycled ethers into the reactor improves catalyst activity and operating life while reducing carbon dioxide by-products.

Lipophilic hydroxylamines scavenge free radicals in hydrocarbon media, preventing precipitation and equipment fouling during vinyl monomer storage.

Removing dehalogenation suppressors from the reaction system eliminates metal contaminants and separation steps while maintaining high selectivity.

Low-pressure ethanolamine reactors paired with ammonia strippers recycle ammonia, reducing water vaporization energy while maintaining product purity.

Segmented catalyst zones in a continuous flow reactor convert carbohydrates to ethylene glycol, eliminating batch cycling hazards and high agitation powdering.

Oxidizing aldehydes with oxygen eliminates chloride waste streams, converting harmful byproducts into benign water and carbon dioxide.

Modified phenylglyoxalic esters decompose into low-migratability fragments, eliminating malodorous benzaldehyde generation in food packaging coatings.

High nickel content catalyst with specific zirconium ratio enhances amine selectivity during nitro group hydrogenation reactions.

Conjugating benzamide residues with water-soluble oligomers reduces bioavailability and metabolism to minimize side effects like tardive dyskinesia.

Convert methane to methyl trifluoroacetate using oleum and trifluoroacetic acid, enabling high-purity methanol production without sulfuric acid impurities.

High basicity density in a mixed phosphate catalyst suppresses by-product formation during lactic acid dehydration, eliminating complex purification needs.

A composite SiO2-ZrO2 supported copper catalyst prevents particle sintering at high temperatures, maintaining 100% oxalate conversion and ethanol selectivity.

Heating resveratrol glycolate below 45°C and mixing with glycol solvents resolves stability and clumping issues in topical applications.

A pincer ruthenium catalyst converts carbon dioxide and hydrogen into formamide compounds, replacing stoichiometric reagents to eliminate silicon by-products.

Hydrogenated cardanol acrylates lower cytotoxicity while maintaining fast cure speeds.

A continuous plug flow reactor system produces arylamines using a single solvent and palladium catalyst under pressure.

Staged ozonolysis with reflux removes water to shift equilibrium, increasing ester yields above 97% while reducing ozone consumption.

Polysubstituted 3-benzylmenadione derivatives overcome drug resistance in blood-feeding parasites through targeted molecular modifications.

Segmented rearrangement and hydrogenation steps optimize yields while enabling solvent-free operation and catalyst reuse.

Solid acid catalysts hydrate dihydropyran intermediates to produce 1,5-pentanediol, eliminating noble metal requirements and reducing reaction temperatures.

Segmented nucleation and growth chambers decouple crystal formation events to eliminate post-processing milling requirements.

Long-chain alkyl titanate catalysts resist hydrolysis during bis-hydroxyalkylene dicarboxylate synthesis, reducing reaction time.

A shell catalyst coating uses silica sol to bind molybdenum and iron oxides on a nonporous support.

Tungsten and Group 8 to 10 metal catalysts convert sucrose feed into ethylene glycol and propylene glycol mixtures.

Bitumen mixing with distillation residue enables continuous thin-film evaporation, reducing oligomerization and energy consumption during diisocyanate recovery.

Chemo-enzymatic synthesis establishes high optical purity in the anti-cancer prodrug OBI-3424.

A diazoalkane production method uses a phase transfer catalyst and inorganic base to generate N-alkyl-N-nitroso compounds without organic solvents.

Magnesia-alumina composite support enables high-yield hydrogenation of aromatic polycarboxylic acids at low pressure, reducing equipment costs and safety risks.

Base-catalyzed cyclization eliminates catalytic reduction and chiral separation steps, reducing heavy metal waste and operational complexity.

A continuous liquid phase hydrogenation process using a chromium-free copper catalyst converts dialkyl oxalates into monoethylene glycol.

Multi-stage synthesis produces alkali metal salts without intermediate isolation, eliminating complex purification steps and reducing solvent toxicity.

A two-step one-pot process reacts glycolaldehyde with an aminating agent using a reactive organic fluid to form unsaturated intermediates.

A modified synthesis process produces magnolol analogs using a mild deprotection step.

Dual recycle steps in continuous acrolein production resolve selectivity and catalyst life trade-offs while reducing waste generation.

Para-substituted triphenyl phosphine ligands paired with diphenyl stabilizers maintain catalyst activity while reducing ligand usage amounts.

A hydroformylation process converts butadiene into 1,6-difunctionalized hexane derivatives using a transition metal catalyst and dihydric alkanol.

Ammoniated distillable alcohol neutralizes acidic components in polyol waste, preventing carbon dioxide formation and preserving foam mechanical properties.