Organic Compound Preparation TRIZ Cases

Treating hydroformylation products with acid and polyol resolves low yield and multi-step complexity in unsaturated aldehyde synthesis.

A porous ceramic support immobilizes a rhodium catalyst system via washcoating to enable efficient recycling of short-chain olefin hydroformylation processes.

Far-red anthraquinone fluorophores enable multi-color imaging by providing spectral separation from fluorescent proteins and resistance to photo-bleaching.

A heterogeneous ruthenium catalyst enables one-step hydrogenation of iso-alpha-acids to hexahydro-iso-alpha-acids.

A silica-alumina support with a palladium and gold eggshell layer enhances catalytic activity in vinyl acetate production.

A rhodium catalyst shifts double bond isomerization equilibrium toward internal positions, enabling selective nucleophilic addition at the beta carbon.

Selective halogenation of phenol derivatives with sulfuryl chloride minimizes byproduct formation and improves yield for dicamba production.

Direct amine contact with carboxylic acid mediates N-acylation, reducing hazardous reagent use and waste in methionine synthesis.

A zeolite catalyst with a two-dimensional channel system produces acetic acid and dimethyl ether from methanol feedstock.

Recycles hydrogen bromide in aminocarboxylic acid synthesis, minimizing reactor fouling and effluent generation through purified sodium bromide conversion.

Phase separation and selective distillation remove water from methacrolein while capturing methanol to reduce impurities in oxidative esterification.

Alicyclic dicarbonyl halides disrupt charge transfer in polyamide-imide films, eliminating residual yellow color while maintaining optical properties.

Segmenting purge gas into hydrogen and carbon streams adjusts synthesis gas stoichiometry, boosting methanol conversion while minimizing methane slip.

Replacing ethylene oxide with glycolaldehyde eliminates explosive polymerization risks while enabling high-yield production of diethanolamine.

Replacing sodium borohydride with cysteine prevents hydrogen gas generation during 15-hydroxy fatty acid synthesis.

Dithiothreitol reduces di-N-acetylcystine dimethylester to N-acetylcysteine amide, eliminating chromatography for high enantiomeric purity.

Adjusting catalyst concentration and residence time compensates for lower aromatic alcohol conversion using di(C2-C4)alkyl carbonates.

Metalation and Suzuki coupling synthesize spirobifluorene derivatives for organic electroluminescent devices.

Optical irradiation above the desorption threshold separates enantiomers from a coated support, eliminating foreign chemical contamination risks.

Water injection creates azeotropes to separate t-butyl alcohol impurities from isopropyl alcohol despite similar boiling points.

Guanidine-modified HEUR polymers preserve viscosity stability during heat aging and pH drops.

A nitro-containing bisoxime ester photoinitiator absorbs 395 nm light to initiate polymerization in photocurable compositions.

Reacting anhydrides with hydrogen peroxide produces diacyl peroxides while separating and recycling the resulting carboxylic acid.

A divided wall column and decanter purify C1-C4 (meth)acrylic esters, reducing energy consumption and thermal degradation.

Hydration of maleic anhydride using tubular and stirred tank reactors for rapid malic acid production.

A plasticizer composition combines cyclohexane polyester with perhydride to enhance thermal stability and mechanical properties.

A potassium-rich plant composition catalyzes organic synthesis reactions under milder conditions.

A process for oxidative cleavage of vicinal diols recycles the aqueous catalyst phase by adding a base to adjust the pH.

A two-step electrochemical and chemo-catalytic oxidation process converts furanic compounds into maleic acid using molecular oxygen.

Mixture of constitutionally isomeric bisphosphites boosts aldehyde yield by 24% compared to reference mixtures.

Formula 2 compounds replace tranilast to eliminate hyperbilirubinemia while maintaining anti-fibrotic activity.

A diphosphite compound with a 2,4-methylated outer unit forms a ligand-metal complex to enhance n/iso selectivity in hydroformylation reactions.

Iodinating o-methylbenzoic acid with iodine and potassium persulfate in mixed acid solvent to produce 2-methyl-5-iodobenzoic acid.

A zinc dicarboxylate catalyst manufacturing method uses excess dicarboxylic acid to produce fine, uniform particles.

Combining triphenylphosphine and diphenylcyclohexylphosphine with rhodium resolves the contradiction between high iso-selectivity and catalytic activity.

A one-step process converts fluorinated olefins into partially fluorinated alkyl ethers using cyanide anions in water and organic solvent.

pH-adjusted extraction isolates the acid byproduct from ozonolysis, converting waste into valuable flavor ingredients.

Segmented chlorination of 4,4-difluoro-3-oxobutanoic acid ester reduces chlorine consumption and waste while improving regioselectivity.

Replacing iridium catalysts with chiral amine starting materials lowers manufacturing costs while maintaining high enantiomeric purity.

Branched monodispersed polyethylene glycol protects hydrophobic drugs via a nested architecture.

A water-soluble phosphine catalyst enables efficient palladium recovery through simple aqueous extraction in telomerization reactions.

Regenerating heterogeneous catalysts by washing deposited tungsten species to restore activity.

Replacing deactivated catalyst sections with lower activity material extends operational time and reduces deactivation rates in partial oxidation processes.

One-pot synthesis eliminates metal residue toxicity while maintaining oxidation efficiency for clinical safety.

A catalyst with metal and acid functionalities converts levoglucosanol into 1,2,5,6-hexanetetrol.