Organic Compound Preparation TRIZ Cases

Alkaline slurry decomposes lignocellulosic biomass into targeted chemical fragments, converting waste lignin into usable biofuels.

Adding a ketone to the solution generates an enamine, which allows distillation to recover pure tertiary amino alcohol and prevent corrosion.

Replacing unstable neodymium alkoxides with chloride salts maintains high enantiomeric excess while eliminating glove box requirements.

Segmenting extraction with non-polar solvents isolates capsinoids from capsaicin contamination, achieving high purity yields.

Selective pervaporation membrane extracts cyclohexanone from oxidation mixtures, resolving low conversion and high by-product formation.

Converts C-14 phosphate ester to enol ether, then hydrolyzes to pure aldehyde, eliminating toxic reagents.

Hydroisomerized base oil lowers the Brookfield viscosity ratio and eliminates costly viscosity index improvers for better low temperature flow.

Lateral withdrawal in a distillation column removes alkyl alkoxy propionate by-products from crude acrylate mixtures.

Modified carbon blacks with low polyaromatic hydrocarbon concentrations are produced by annealing the surface and attaching chemical groups.

A halogen-free organic solvent route synthesizes memantine from 3,5-dimethyl-1-adamantanol using optimized acid and nitrile equivalents.

A porous crosslinked polyphenoxide resin immobilizes metal cations to catalyze ethylene and carbon dioxide coupling into acrylates.

Nitrate salts and sulfuric acid nitrate alkoxy derivatives of phloroglucinol to produce TATB while minimizing hazardous waste streams.

Dean-Stark apparatus removes water during enzymatic amidation, achieving high yields without toxic reagents.

Hydrogenates methyl acetate intermediates from methanol carbonylation to boost ethanol yield while reducing greenhouse gas emissions.

Segment purification into protection, separation, and deprotection steps to reduce sodium levels below 100 ppb for semiconductor manufacturing.

A one-pot reaction converts phenyl ethyl hydroxy compounds to amines using hydrogen cyanide and water.

Glucose oxidation assisted precipitation synthesizes mixed metal oxides using Fehling's reagent, eliminating high-temperature calcination steps.

Liquid phase segregation in a single reactor enables continuous quaternary salt production, avoiding the complexity and cost of multiple series-connected units.

Alpha-ketoacid decarboxylative condensation with amines achieves chemoselective amide bond formation without external reagents or catalysts.

Mixed metal oxide catalysts contact oxygen and alkane gas streams at linear velocities of at least 10 cm/sec to drive oxidative dehydrogenation reactions.

A raw material feeder distributes liquid compound to multiple evaporation tubes using restriction orifices and nozzle assemblies.

Adiabatic hydrogenation of nitroaromatic compounds minimizes aromatic amine recycling and water introduction to improve economic efficiency.

Palladium nanoparticles on jute stems enable Suzuki-Miyaura reactions in water, replacing toxic zeolite supports with renewable biomass.

Using lithium hydride as a catalyst stabilizes amino compound production during polyamine addition, eliminating ammonia odor generation.

Defined catalyst particle dimensions improve space-time yields while limiting piperazine by-product formation below 20%.

Narrow pore distribution stabilizes catalyst support porosity, maintaining activity against pH swing and temperature exposure during ester production.

A chiral secondary amine catalyst drives the addition of remote gamma-carbon atoms to enals for cyclic beta-amino aldehyde formation.

Fluorinated ester monomer creates a photoresist additive that merges protective film functions to eliminate separate stripping units.

Buffered water extraction increases metal salt solubility, preventing fouling while protecting ligand stability.

An extractive agent with specific BF3 affinity separates monochloroacetic acid from dichloroacetic acid, enabling efficient regeneration.

Segmenting fresh and recycled synthesis gas into parallel reaction units reduces by-product formation while maintaining high methanol production rates.

Phosphorus compounds act as intermediaries to protect polyols from acid-catalyzed degradation, maintaining product quality below 100 APHA color numbers.

A stable plasticized polyvinyl halide composition uses pentaerythritol tetravalerate and an epoxidized unsaturated fatty acid ester.

Optimizing molar ratios and residence time in ruthenium-catalysed transvinylation to achieve high space-time yields.

A paracyclophane film incorporates disulfide functional groups to enable reversible biomolecule attachment via thiol-disulfide interchange reactions.

Elevating reactor inlet water vapor partial pressure above 8 kPa maintains high selectivity while reducing capital costs for moisture control systems.

Sugar alcohol extractant alters relative volatilities in a two-column distillation process, resolving energy-intensive separation of close-boiling diols.

A continuous process uses a composite catalyst system to produce alkylaminoacrylamides with high conversion rates.

Hydroxyapatite-supported metal catalyst converts lactones to alcohols using water as solvent, eliminating salt by-products and complex multi-step processes.

Developing stemospironine salts and polymorphs resolves formulation complexity while enhancing therapeutic effectiveness.

Nitration and hydrogenation of aromatic feeds yield isomeric aromatic amine monomer mixtures with tunable physical properties for high-performance polymers.

Distinct pressure levels in two columns separate aldehydes from olefins, reducing temperature sensitivity and heavy by-product formation.

Functionalized polydicyclopentadiene polymers use reversible crosslinks to resolve the trade-off between high impact resistance and chemical recyclability.

Acid dissolution and precipitation purify iron phthalocyanine catalysts, eliminating organic solvents and precious metals for sustainable oxidation.

Sequential guard beds and catalysts remove sulfur, acetylene, and carbon monoxide from methanol-to-olefins streams to prevent polymerization catalyst poisoning.

Halogen-doped noble metal catalysts enable selective C-O bond cleavage at lower temperatures, preventing aromatic ring saturation.

Orthocarboxylic acid esters replace aldehydes to prevent complex product mixtures and isolate amino acids easily.

Blue-violet light drives metal-free cyanation, eliminating transition metals to simplify purification while maintaining high radiochemical conversion.

Merges homogeneous and heterogeneous catalysts to maintain low free fatty acid levels and stable reaction activity without frequent regeneration.

Maintaining diacrylic acid levels above 550 ppm in the reflux liquid prevents free-radical polymerization, ensuring stable separation efficiency.