Organic Compound Preparation TRIZ Cases

Replacing corrosive Lewis acids with disposable bentonite clay reduces by-products and simplifies purification in vitamin E and K production.

Ester plasticizer derived from cyclohexanediol and carboxylic acid improves tensile strength in polyvinyl chloride resin compositions.

Co-solvent solvolysis produces blendable biomass oil that maintains emulsion stability with fossil recipients, avoiding phase separation.

Optimizing ethanol conversion via azeotropic water removal shifts equilibrium toward higher n-butanol production.

A magnesium N-acetyltaurinate dihydrate manufacturing process uses ethanol and water washing to achieve high yield.

Group VIII metal catalysts enable direct C-N bond formation from ammonia, eliminating harsh nitration conditions and surrogate reagents.

Amino acid catalysts facilitate para-hydroxycinnamic acid production while minimizing decarboxylation side reactions.

A two-zone process vaporizes ester products to remove them from the reaction mixture while retaining the acid catalyst.

Recycling dewatered organic phase prevents catalyst hydrolysis and resolves lump formation during terephthalic acid conversion.

Bis(4-(trifluoromethoxy)phenyl) oxalate forms a protective solid electrolyte interphase on the negative electrode.

High shear rates accelerate DHHB crystallization, resolving slow solidification bottlenecks and ensuring uniform particle morphology.

Isomer-controlled cyclohexane dimethanol acrylates solve solid-state handling issues while delivering abrasion-resistant coatings.

Replacing carcinogenic methyl triflate with 2-methylpentanoic anhydride enables high-yield synthesis of aggregation pheromones.

Recycling a polymerization inhibitor into the reactor prevents clogging and stabilizes continuous methacrolein production.

An ethyl ester precursor compound enables nucleophilic fluorination to synthesize radioactive amino acids without introducing methanol residues.

Gold nanoparticles under 7 nm on cerium oxide carriers achieve high 3-HPA yields from allyl alcohol, resolving low conversion bottlenecks in biomass routes.

Carboxylic acid reductase enzymes convert fatty acids to aldehydes without harsh pressure or temperature, preventing double bond isomerization.

Suspo-emulsion processing converts slimy catalyst residues into filterable granules.

Sequential compression stages with inter-stage cooling separate liquid monomer fractions for polymerization.

Chiral iridium complexes resolve the trade-off between conversion rate and isomer selectivity during the hydrogenation of gamma,delta-unsaturated ketones.

Phenolic compounds suppress polymerization during fluoromonomer distillation, preventing equipment clogging from solid deposition.

Imide derivative and aromatic hydrocarbon blend increases anthraquinone solubility to 180 g/L, resolving low conversion rates.

Trihalo aluminum complexes with neutral ligands improve electron acceptance and eliminate inert gas requirements.

Non-aqueous ionic liquids selectively absorb excess alcohol from ether-hydrocarbon effluents, preventing water-laden recycling that deactivates catalysts.

Switching hydrogenation feed between pure and mixed diamino-diphenyl methane restores catalyst activity without shutdown.

Fractional distillation separates saturated fatty acid alkyl esters to reduce viscosity in ester polyol synthesis.

Tannase enzyme hydrolyzes sumac tannins to release gallic acid, overcoming low yields and high costs of conventional extraction.

A solvent-free reaction of tetrabromophthalic anhydride with polyhydric aliphatic alcohol and alkylene oxide produces low-viscosity diester compositions.

One-pot cyclization of halogenated biphenyls yields perfluoroalkylating agents while recycling dibenzothiophene byproducts.

Vacuum distillation separates water and ethanol azeotropes from ethyl lactate, preventing hydrolysis and oligomerization.

Aqueous crystallization isolates alanine N-acetic acid precursors in solid form for stable storage.

Controlled metal phosphate compositions suppress carbonaceous deposition and maintain catalyst activity during glycerin dehydration.

Reductive catalysis converts polyols and carbonyls into monoethers, resolving low selectivity in conventional alkoxylation.

Converts biomass-derived muconic acid to terephthalic acid using isomerization and dehydrogenation steps, reducing fossil fuel dependence.

A microscopy immersion oil combines two distinct diesters to prevent mutual crystallization and extend service life.

Multi-stage oxidation process recycles unreacted hydrocarbons via inter-stage condensation, resolving yield losses from staged oxygen arrangements.

Cracking residue streams recovers phenol for recycling, reducing substance loss and improving yield in bisphenol-A synthesis.

Condensing guaiacol with glyoxylic acid and oxidizing the product yields vanillin with 75 to 100 percent bio-based carbon content.