Organic Compound Preparation TRIZ Cases

A two-stage hydrogenation process uses an activated nickel metal foam catalyst to convert C13 aldehydes into alcohols with high selectivity.

A conductive polymer composition with betaine compounds enables antistatic performance on hydrophobic resist surfaces.

LiBH(Et)3 reduction of compound VII overcomes low yields to enable efficient ivabradine production.

Thermally decomposed hydrotalcite mixed with metal oxides converts ethanol into n-butanol, replacing energy-intensive hydroformylation processes.

Acetylates cystine with acetyl chloride in methanol to produce NDAC disodium salt, eliminating sulfurous by-products and complex purification.

A cobalt catalyst with a cubic phase structure enables efficient alcohol production from carboxylic acids, resolving low industrial activity.

A dual heterogeneous catalyst cluster produces dimethyl carbonate without dehydrating agents.

Sequential silver-salt complexation and solvent extraction purify polyunsaturated fatty acids despite oxidation, isomerization, and degradation risks.

Segmenting mixed sugar streams into isolated alditols and converted glycols reduces cascading purification losses while maintaining high overall yield.

Hydrogenating ethylenediaminediacetonitrile over a catalyst to produce triethylenetetramine with high selectivity.

Hydrocyclones fluidize salt in MEG streams using swirling motive fluids, reducing system footprint and eliminating centrifugal filters.

A composite plasticizer blends cyclohexane diester and citrate materials to enhance tensile strength and elongation in resin formulations.

A methyl methacrylate composition with controlled impurity levels enables polymerization into molded bodies.

A rotating packed bed reactor with solid oxide catalysts purifies ethylene glycol through controlled hydrogenation.

Butanol washes dialkyl succinate from azeotropic overhead streams to recover over 90% of product losses and reduce effluent organic loading.

Optimized pore volume ratios suppress side reactions and powdering, maintaining high conversion rates under high load conditions.

Enzymatic oxidation replaces harsh chemical synthesis to produce high-purity long chain amino and dibasic acids while eliminating dangerous reaction conditions.

Heat exchange pre-heats solvent-acetic acid mixtures to reduce energy consumption in olefin production.

Chelating resin with thiourea groups captures iridium catalyst from liquid streams.

A continuous tubular reactor synthesizes metal salts and complexes in a single pot with controlled particle size.

Phosphoric acid catalyzes esterification of glycol ethers, removing water as an azeotrope to eliminate charcoal purification needs.

N,N-dihexylbutyramide solvent facilitates aqueous extraction of glycolaldehyde, preventing rhodium catalyst decomposition during separation.

Acetylene side chains adjust refractive indices to achieve 110-160 nm retardation, preventing external light reflection.

An ester mediator directs P-O conversion to dialkyl phosphites while simultaneous distillation removes carboxylic acid by-products, reducing impurities.

Limiting tetracycloparaffins in the base oil reduces thin-film friction and manufacturing costs while maintaining oxidative stability.

Boron-based catalysts enable selective para cycloaddition of isoprene and acrylic acid, suppressing polymerization to produce bio-based terephthalic acid.

Diluting bisphenol-A residue with polyalkylaromatic bottoms or phenol stream reduces viscosity for conventional handling.

A quaternary ammonium compound reduces deposit buildup in direct injection engines.

Titanium catalysts paired with alpha hydroxyl acids prevent hydrolysis and discoloration, eliminating toxic tin byproducts.

Ethylene and propylene carbonates prevent TMHQ precipitation during synthesis, eliminating solvent switching costs.

Retinoid-conjugated cationic liposomes target stellate cells to reduce HSP47 expression and inhibit hepatic fibrosis.

Reductive amination of benzaldehyde with L-valine salts followed by N-acylation to produce the Valsartan intermediate.

Bis-aminophosphine catalysts enable selective alkyl acrylate dimerization with reduced by-product formation.

A solvent-free dehydration and purification process recovers high-purity biobased acrylic acid using controlled water condensation.

Catalytic transalkylation converts complex alkylphenols into phenol and xylenes, reducing energy intensity compared to thermal dealkylation.

Direct voltage electrophoresis replaces chemical demulsifiers to separate nitrobenzene phases, reducing water consumption during neutral washing.

Porous metal oxide catalyst selectively depolymerizes corn lignin into phloretic acid derivatives with high yields.

Segmented base washing extracts phenols from coal tar, reducing hydrogen consumption in hydroprocessing while enabling transalkylation to high-value xylenes.

Replacing nickel with a copper catalyst lowers conversion costs and hydrocarbon impurities while enabling single-step production of MIBC and IBHK plus TMN.

Compressed carbon dioxide selectively extracts formic acid from the reaction mixture, avoiding energy-intensive separation of stabilizers and catalysts.

Solid Lewis acidic zeolites catalyze carbohydrate conversion into lactic acid and esters, reducing energy-intensive base neutralization.

Treating natural oil feedstocks with reducing agents diminishes catalyst poisons, improving conversion rates while lowering required catalyst loadings.

Tributylamine mediates thionylchloride addition to carboxylic acids, resolving the contradiction between simple batch operations and high purity yields.

Titanium-modified silica supports optimize noble metal distribution to improve methyl methacrylate selectivity and efficiency.

Excess carboxylic acid and automated feedback control reduce energy consumption while maintaining product purity below 0.01% acetic acid content.

Controlled pore volume activated carbon removes turbidity-causing precipitates while preserving chlorogenic acid content in acidic drinks.

N-oxyl compounds stabilize tertiary alkyl esters against polymerization, preventing fouling and toxicity from hazardous PNP stabilizers.

Polymeric aminoketone compounds absorb UV light to enhance crosslinking density, reducing migratable species in food packaging.

A terephthalate plasticizer composition blends specific alkyl chains to improve elongation retention in heat-resistant resins.

Chiral amine salts facilitate asymmetric hydrogenation of unsaturated carbonyls, reducing dihydropyridine residues to simplify purification and lower costs.