Organic Compound Preparation TRIZ Cases

A (meth)acrylic acid collecting apparatus separates organic byproducts from mixed gas using specific absorption solvents and azeotropic distillation.

An acid catalyst converts aminomethanol intermediates into highly reactive imines, enabling mild reaction conditions that prevent product discoloration.

A Grignard reagent reacts with N-formylpiperidine to produce 3-methyl-4,4-dialkoxy-1-butyraldehyde under mild conditions.

Azeotropic distillation with optimized phenol-water ratios minimizes heat source loss and steam consumption during cumene-based phenol purification.

Dimethylcyclohexylamine forms a homogeneous azeotrope with MEG to enable selective distillation from 1,2-BDO mixtures.

Aldol condensation uses high-purity fumed silica to produce unsaturated ketones and aldehydes in the gas phase.

A bismuth molybdenum catalyst with controlled surface atomic ratios enhances selectivity for target products during gas phase oxidation reactions.

Vacuum distillation separates the product to eliminate corrosive strong acids and recycle byproducts for improved selectivity.

Silica microspheres template porous layered transition metal dichalcogenides to increase lattice edge exposure and active site density.

Two-column pressure swing distillation breaks the methanol methyl methacrylate azeotrope, cutting energy use by fifty percent.

Segmented reactors with staged reagent addition control exothermic heat and viscosity, reducing acetone cyanohydrin decomposition losses.

Mitsunobu reaction converts enantiomerically enriched alcohol to phthalimido derivative, avoiding toxic sodium azide and low yields from chromatography.

Suspending terephthalic acid in alcohol prevents lump formation during metered addition, ensuring stable reactor operation and high conversion rates.

Adding acetic acid via n-octane carriers to low temperature Fischer-Tropsch reactors reduces CO2 production while maintaining catalyst activity.

A two-stage process converts glycerol to hydroxyacetone, then reduces it with amines to yield propylene glycol and amino alcohols.

High-pressure carbon dioxide reacts with liquid hydrazine derivatives to produce stable solid carbazic acid powder.

N-sulfonamide reagents react with thioether groups to form labeled compounds, bypassing mass spectrometry complexity while maintaining measurement precision.

Recyclable heterogeneous catalyst enables complete conversion of olefins to hydroperoxy alcohols at moderate temperatures, avoiding high energy consumption.

Alkylstyrene carbonylation using organometallic catalysts produces phenylindane dicarboxylic acid monomers with high chemo-selectivity.

A continuous process using a nickel-phosphite catalyst system to produce 3-pentenenitrile from butadiene and hydrogen cyanide.

Annular unsupported multimetal oxide catalysts reduce hotspot temperatures during propene oxidation, enhancing catalyst longevity and product selectivity.

A copper-based catalyst system co-feeds synthesis gas and acetate to synthesize ethanol.

Replaces cryogenic butyl lithium with isopropyl magnesium chloride to perform metal halogen exchange, eliminating low selectivity and hazardous conditions.

Shredded waste undergoes indirect heating in an anaerobic desorption unit to vaporize hydrocarbons.

Methanol synthesis plate reactor merges reaction and cooling zones in one pressure shell, eliminating external piping to reduce capital costs.

Segmenting the column into stripping and enriching sections reduces energy requirements while maintaining high product purity.

Reacting water and calcium oxide with esters produces calcium carboxylates, where heating evaporates methanol to reduce waste and energy consumption.

A vaporizer divider plate positioned below the gas-liquid interface minimizes heat transfer to protect catalyst ligands.

An aluminum chloride-amine complex enables sequential dehydration and dealkylation in a single vessel, eliminating intermediate isolation steps.

A glycol vaporization separator purge stream undergoes pH reduction to form an acid stream, which is then distilled into overhead and bottoms fractions.

Replacing expensive rhodium with palladium achieves a 99:1 syn/anti ratio, eliminating prohibitive production costs.

A one-step catalytic process converts renewable polyhydroxy compounds into ethylene glycol using a composite transition metal catalyst.

Segmented catalyst beds in multizone reactors manage exothermic heat to boost alkyl mercaptan yield and conversion rates.

Alkaline saponification converts ester intermediates into cannabinoids, avoiding acid-catalyzed by-products and improving yield.

Removing DGN impurities from DMAPN feedstock prevents catalyst deactivation and secondary reactions during hydrogenation.

Catalyst-free thermal treatment at 200-500°C drives ketoacid C-C coupling, reducing processing costs while avoiding uncontrollable polymerization.

Fresh acidic ionic liquid catalyst combines with a metal and Bronsted acid to generate Lewis acidic components.

Selective precipitation of crystalline cannabinoid carboxylic acid salts removes impurities early, reducing process complexity and production time.

Distillation removes water from methacrolein before oxidative esterification to produce methyl methacrylate.

Concentrated silicone lubricant mixtures reduce waste and cleanup by eliminating dilution errors.

Solvent-based amorphization of trisodium sacubitril valsartan improves stability and pharmacokinetic profiles for heart failure treatment.

A palladium catalyst mediates coupling of haloisobenzofuran-1,3-dione with ethyne to produce high-purity bis(isobenzofuran-1,3-dione).

Replacing expensive D-serine with (S)-benzyl glycidyl ether reduces production costs while maintaining high enantiopurity.

A base and acylating agent isomerize 3-(Z)-unsaturated carboxylic acids to the 3-(E)-isomer below 180°C without transition metal catalysts.

Fluorinated sulfonium compounds enable sulfoacetic acid ester formation, resolving the trade-off between synthesis simplicity and resist composition stability.

Segmented temperature stages convert polysaccharides into levulinic acid while minimizing humin byproduct formation that reduces yield.