Organic Compound Preparation TRIZ Cases

Segments glycerol conversion into dehydrogenation and reductive amination steps to minimize byproduct formation while utilizing inexpensive crude feedstocks.

Silane-treated glass fibers reinforce molybdenum-bismuth catalysts, preventing breakage during handling while maintaining high yield of unsaturated aldehydes.

Amine catalysts condense methyl ketones into unsaturated ketones, reducing water removal costs and extending catalyst lifetime.

High-pressure mixed phase nitration of propane with dilute nitric acid improves selectivity while mitigating reactor corrosion.

Converting d-glucaro-1,4,6,3-dilactone with rhenium and noble metals eliminates benzene-based byproducts while maintaining production efficiency.

Mixing silica with carboxylic acid first improves metal dispersibility, resolving the contradiction between acrylonitrile selectivity and yield.

Segmenting the mother acid stream into partial flows reduces energy consumption while increasing yield and purity of recovered acrylic acid.

Segmenting the rotary filter feed zone resolves purity-flow trade-offs by directing low-solid filtrate to catalyst recovery while recycling high-solid streams.

Parallel jet loop reactors with shared recirculation resolve scalability limits by maintaining high slenderness ratios without increasing installation height.

Specific ligand structures stabilize unstable methylidene intermediates, preventing decomposition and boosting conversion and selectivity in ethenolysis.

Molten salt hydrates dissolve cellulose to enable high-yield sugar recovery while preventing glucose degradation during hydrolysis.

Solid promoters enable high-yield acrylic acid production from abundant feedstocks while simplifying separation through adsorption.

Low-phosphate phosphite ligands stabilize zerovalent nickel catalysts to produce dicyanonorbornane, preventing phenol-induced coloring.

Optimized Mo/V/Sb catalyst improves ethylene selectivity, and solvent extraction simplifies acetic acid recovery from complex aqueous streams.

Novel cationic lipids form lipid nanoparticles protecting nucleic acids from plasma nuclease digestion while enabling efficient intracellular delivery.

Two-column distillation removes low and high boiling impurities from 1,2-propanediol, eliminating odor-intensive substances while maintaining energy efficiency.

Controlled partial reduction of 3-methyl-1,5-cyclopentadecanedione with NaBH4 prevents diol side reactions and simplifies separation.

A diamine-based compound mediates esterification to produce high-purity (meth)acrylic acid esters from sterically hindered alcohols.

Zirconium and hafnium compounds enable high oxidation rates in halogen-free systems, eliminating corrosion from bromide promoters.

Phosphorous pentoxide and methanesulfonic acid catalyze cycloalkyl acrylate ester cyclization to substituted cyclopentenones at controlled temperatures.

Ruthenium on zirconium oxide prevents sintering and coke formation during aromatic hydrogenation, maintaining conversion rates.

Integrated tray column reactive distillation achieves high cyclic carbonate conversion and diol purity without water-fed purification steps.

Staggered catalyst replacement in parallel oxidation reactors stabilizes selectivity and simplifies removal lines.

Low molecular weight (meth)acrylic oligomers function as tackifiers in adhesive compositions.

Erucyl amidopropyl cationic surfactants maintain stability and achieve ultra-low interfacial tension in high temperature, high salinity carbonate reservoirs.

Segmenting hydrogenation stages suppresses side reactions and reduces cyanobenzylamine content without excessive solvent use.

Uses controlled oxidation of isobutanol to produce 2,5-dimethylhexadiene, avoiding overoxidation losses from high-temperature oxygen co-feeds.

Fumed silica catalyst sustains activity during vapor-phase aldol condensation, resolving productivity-reliability trade-offs in ketone production.

Introducing antimony into a palladium-bismuth catalyst system resolves low selectivity issues in methyl methacrylate production via oxidative esterification.

A mixed catalytic system with a microwave absorber optimizes glycolytic depolymerization of polyethylene terephthalate.

Acrylic acid rectification enriches acetone to inhibit free-radical polymerization, preventing precursor aldehyde induced losses.

Catalytic pyrolysis converts polyurethane waste into reusable aromatic amine compounds at industrial scale.

Concentrating noble metals in the outer region of a heterogeneous catalyst improves selectivity during oxidative esterification of methacrolein and methanol.

Synthesizing zwitterionic polyurethane hydrogels via protected diol polymerization enables controlled hydration levels.

Carbon-based Ru-Sn composite catalyst deposits precious and transition metals onto carbon support via deposition-precipitation.

A gas-introducing mixer disperses hydrogen into reaction solutions via a rotating hollow shaft.

Bifunctional chiral organocatalyst facilitates Michael addition of nitro compounds to produce unnatural gamma-amino acids with high optical purity.

A weak acid cation exchange resin separates basic amino acids from microbial cultures using ion exchange mechanisms.

Asymmetric cycloaddition replaces resolution to produce (1R,3S)-3-amino-1-cyclopentanol with high optical purity while minimizing material waste.

Merging reaction and neutralization into one pot eliminates multi-step complexity while maintaining high yield of fluorinated salts.

A continuous process converts gamma-butyrolactone with potassium hydroxide to yield aqueous gamma-hydroxybutyrate at neutral pH.

Hierarchical VPO catalyst pores reduce internal diffusion resistance, boosting maleic anhydride conversion efficiency.

Converting unrefined neodecanoic acid waste into metal carboxylates reduces production costs while maintaining high hydrogen sulfide scavenging effectiveness.

A resveratrol preparation method using metal catalysts to achieve high purity and yield through a one-pot process.

A flow reactor oxidizes metallic iron to form Fe(III) chelates without generating inorganic anion waste.

Segmenting hydrodeoxygenation and dehydration into separate beds prevents double bond isomerization, ensuring high alpha-olefin selectivity.