Organic Compound Preparation TRIZ Cases

Microreactor synthesis of perfluoropolyoxyalkylene peroxides avoids ozone-depleting solvents while enabling precise control over backbone structure variations.

A dividing wall column separates crude methacrylic ester streams to achieve high purity levels.

Patterned transport surfaces with vacuum sources prevent cross-machine weave and z-direction bounce, ensuring accurate registration of transferable media.

Replacing expensive palladium with a ruthenium catalyst reduces production costs while maintaining high selectivity in biphenylamine synthesis.

Microorganisms ferment carbon monoxide into ethanol and acetic acid for esterification.

Activated allenes undergo one-pot electrophilic amination and reduction to synthesize vicinal diamines without tethers.

Beta diketones promote carbonation of metal bases to produce overbased barium carboxylates without phenolic compounds.

A process converts aspartic acid to cyanoacetates using a beta-ester intermediate and halogenating agent.

Removing bases from the synthesis prevents tetrachloroamide impurity formation, eliminating tedious purification steps and lowering production costs.

Alkaline solvent conditions enable high-yield formate production from carbon dioxide and hydroxy hydrocarbons while eliminating ammonia by-products.

Mutant BsteE esterase variants catalyze diastereoselective hydrolysis of difluoromethyl cyclopropane substrates.

A pyrolytic method using a eutectic solvent mixture to form carbon-supported metal species in a single step.

Host-guest composite prevents crystallization to extend luminescence lifetime and reduce operating voltage.

Biomass gasification fuels the reformer to reduce CO2 emissions and improve hydrogen-to-carbon ratios.

Transamination with a carbon oxide delivering agent synthesizes higher ethylene amines, avoiding toxic ethylene dichloride and complex purification steps.

A chemical synthesis process uses formic acid and sodium carbonate to produce the target compound with improved purity.

Citric acid monohydrate treatment yields stable trans-Clomiphene monocitrate crystals that resolve impurity contamination and poor water solubility issues.

Specific hydrocarbon substituents on para-phenylenediamine derivatives improve monomer solubility, preventing premature precipitation during polymerization.

Biocatalytic oxidation of ester intermediates with alkane hydroxylase improves conversion efficiency while minimizing by-product formation.

Selective allylic substitution using copper catalysts reduces manufacturing costs and improves isomeric purity for tomato leafminer pheromones.

PtI2 and thixantphos form a catalyst complex that boosts aldehyde yield and selectivity beyond conventional platinum halides.

Alpha-hydroxysulfonic acid replaces mechanical cell disruption to prevent emulsion formation, enabling rapid lipid extraction and simultaneous conversion.

Controlling liquid phase inflow timing between 10% and 70% of the separation cycle reduces low boiling point mixture content, accelerating alcohol removal.

Controlling the crystallinity of a molybdenum and vanadium catalyst resolves the trade-off between yield and operational stability during propane oxidation.

Lewis acid catalyzed Scriabine reaction synthesizes beta-santalol, avoiding lengthy multi-step processes and expensive reagents.

A method converts biomass-derived furanics into phenolic compounds using a Diels-Alder cycloaddition reaction with dienophiles.

Phenol-based liquid-liquid extraction isolates gabapentin directly, eliminating ion-exchange resins and reducing saline waste.

A process recycles aqueous nitric acid from the product stream back to the nitration reactor, avoiding energy-intensive distillation of large water volumes.

Oxygen-containing olefins prevent polyaddition side reactions during furan cycloaddition, increasing yield and simplifying oxidation steps.

Aromatization-hydrolyzation of 2-(cyclohexenylidene) malononitrile produces 2-aryl malonamide without expensive metal catalysts.

A reusable ionic catalyst complex enables efficient polymer degradation into oligomers and monomers.

Monohalogenated benzene reacts with formaldehyde and amide compounds in high-concentration acidic liquid to form bisamide intermediates.

Thermal decomposition of ammonium taurinate eliminates sodium sulfate waste streams, raising taurine yield above 90 percent.

Segmented synthesis and temperature control produce pure (Z)-isomers, avoiding difficult E-isomer separation.

Segmented lithiation and sulfinyl removal replace complex catalysts, boosting purity and industrial feasibility.

Liquid-liquid extraction with an amine solvent separates alkylene glycols from water, reducing energy-intensive distillation requirements.

Polyamide nanofiltration membranes separate diols from fermentation broths, removing sugars and proteins to increase distillation yield.

Composite silica carriers anchor phosphoric acid to prevent efflux and corrosion while sustaining high catalytic activity.

A catalytic hydrodechlorination process uses nitrogen gas stripping to remove dissolved hydrogen from the liquid product stream.

Controlling methyl iodide ratios and condensing at 0-35°C resolves instability in low-water acetic acid carbonylation processes.

Segmenting hydroxide feeding across two reactor chambers increases pseudoionone yield while managing selectivity against hydroxy pseudoionone.

Pre-flasher vessel enriches acetic acid while consuming methyl acetate, reducing catalyst deactivation and carbon monoxide losses.

Cyclic ethers bearing primary amino groups react with fumaric acid esters to form polyaspartic acid ester compositions.

Magnesium and alkali metal compounds catalyze ester synthesis, reducing alcohol waste while maintaining high yield.

Segmented extraction and distillation purify the ester, resolving purity versus processing time trade-offs.

Trityl protection suppresses racemization during methylation, achieving high chiral purity without low-temperature conditions.