Organic Compound Preparation TRIZ Cases

Polyacid-promoted zirconium oxide catalysts enable efficient hydrogenation of sugars and glycerol into polyols under aqueous conditions.

A supported bimetallic Pd-M catalyst performs both alcohol carbonylation and oxalate hydrogenation, reducing process complexity and energy consumption.

Silica core-layered double hydroxide particles disperse copper ions to boost stability and activity while lowering metal loading.

A bisoxime ester photoinitiator with specific molecular substituents enhances photosensitivity and thermal stability in photocurable compositions.

Neutral catalysts convert alkali ditaurinate to taurine, eliminating inorganic salt waste from acid neutralization.

Heating synthesis gas above the decomposition temperature of carbonyl compounds prevents catalyst deterioration in hydrocarbon synthesis reactors.

Dissymmetric phosphonium salts stabilize rhodium catalysts, preventing precipitation and crystallization during acetic acid production.

Extended branched alcohol surfactants reduce surface tension through controlled carbon chain extension.

Neutralizing hydrolysis acid with a weak base resin removes toxic barium residues, ensuring high purity GMMA for medical contact lenses.

Replacing sulfuric acid with aluminium triflate prevents corrosion while maintaining catalyst activity.

Hydrogenolysis converts byproducts into parent alcohols during ethanol upgrading, eliminating excessive 1-butanol production.

Ruthenium catalysts streamline tetracyclic heterocycle synthesis, reducing steps and waste while achieving higher yields.

A heterogeneous noble metal catalyst enables oxidative esterification of methacrolein to methyl methacrylate.

A cyclopentaquinazoline synthesis method combines indanone condensation with chiral chromatography for efficient enantiomer separation.

Liquid pre-wetting fills catalyst pores to prevent hot spots and over-conversion during Fischer-Tropsch reactor startup.

Ammonia reacts with 4-nitro-substituted-chlorobenzene followed by hydrogenation to produce 2-substituted-1,4-benzenediamine without additional purification.

Camphorsulfonate salt resolution replaces chromatography to boost olodaterol purity and yield while cutting costs.

Segmented catalyst zones with varying void fractions control temperature profiles and reduce by-product formation during phthalic anhydride production.

Sequential organic and aqueous extractions remove humins to achieve 95% purity while minimizing solvent consumption.

Cross-current and counter-current extraction stages recover concentrated acids from nitrated crude products, eliminating wastewater pollution.

Heating the mixture to 180°C with oleylamine prevents aggregation and distortion, boosting luminous efficiency and durability.

Zoned temperature control in a cooled reactor minimizes by-product formation while maximizing methanol conversion rates.

Solid acid catalysts convert bioethanol into aniline and styrene, eliminating fossil fuel depletion while maintaining high production efficiency.

Guerbet alcohol blends enhance aviation fuel electrical conductivity while reducing greenhouse gas emissions.

Segmenting the liquid mixture into small droplets increases surface area, improving oxygen mass transfer and reducing solvent combustion waste.

Non-polymeric N-aralkyl alpha-carbonyl functional amines increase total base number while maintaining low sulfated ash and seal compatibility.

Separated ion exchange resins reduce chlorine and metal ions to meet semiconductor purity standards.

Metal oxide photocatalysts convert carbon dioxide to formic acid, eliminating expensive coenzyme requirements.

Hydrogenation reduction of polycyclic acetal compounds yields polyether diols with cyclohexane rings and neopentyl glycol structures.

A method generates metal alkoxides in situ from alcohols and metal hydroxides to synthesize alkyl aryl ethers.

A mixed oxide catalyst gains mechanical strength through a controlled reduction treatment followed by secondary calcination.

Selective separation isolates 2-methylbutanal impurities from isomeric decenals, reducing waste and lowering manufacturing costs.

Bio-based epoxide carbonylation produces beta-lactone intermediates for acrylonitrile synthesis.

Partitioned heat exchange in a double-tube reactor controls hotspots to resolve low selectivity and yield issues in ethylene glycol production.

A cyclopropanation process uses bromochloromethane with zinc and copper catalysts to form cyclic compounds.

High-pressure water dehydrates alpha-hydroxyisobutyric acid to methacrylic acid, eliminating dimeric by-products and catalyst losses.

A one-pot synthesis method stabilizes ortho-anions to produce Formula I compounds at ambient temperature.

Alkenone product serves as reaction medium for halogenated precursor synthesis, reducing by-product formation and improving yield.

Catalytic asymmetric hydrogenation replaces stoichiometric chiral auxiliaries, resolving racemic mixtures without material loss.

Multi-section vacuum distillation splits impurities to achieve sub-ppm purity while lowering energy consumption.

Flowing epoxides and amines through a microreactor accelerates synthesis, bypassing bulky microwave equipment constraints.

Direct rectification separates alkyl trifluoroacetates from aqueous media, resolving azeotropic barriers that hinder standard distillation.

Recrystallized clathrate crystal polymorph ensures consistent curing properties and preservation stability across varying epoxy resin types.

A recirculation loop with a distillation column removes water as an azeotrope during alkyl acrylate esterification.

Meta-type ester-containing aromatic diamines lower dielectric constants in polyimide resins.

Side draws in one column separate impurities, eliminating pre-run columns to lower capital costs.

Chiral substituted tartaric esters form diastereomeric salts with racemic cyanoethanol ester.

Aryloxyalkylene amine synthesis via 2-oxazolidinone intermediates and polyalkylene polyamines.

Hydroxypropyl betaine zwitterionic geminal liquids modify rock wettability and disperse asphaltenes in high-temperature, high-pressure reservoirs.