Organic Compound Preparation TRIZ Cases

Optical resonances in nanostructures amplify chiral selectivity, resolving yield loss trade-offs during photochemical separation.

Heterogeneous catalyst enables selective amine production from amino alcohols, eliminating excess diamine waste and reducing energy costs.

A tetraalkylammonium ionomer forms a non-aromatic hydrocarbon backbone for alkaline anion exchange membranes.

Segmenting carbonylation and ammoxidation steps prevents thermal decomposition of beta-lactone intermediates during acrylonitrile synthesis.

A process for producing crystalline L-carnitine uses a mixed solvent of cyclohexane and alcohol to remove water through azeotropic distillation.

Aroma composition replicates canned tuna scent using specific furanone and thiol ratios to resolve the bottleneck of mimicking unique protein-based food aromas.

Glycerol reacts with urea using metal oxide catalysts to form serinol carbamate, avoiding toxic reagents and heavy metals.

Ketonization extends carbon chains to C22-C36, resolving viscosity limits in conventional fatty acid processing.

Ruthenium catalyst enables continuous dimethyl terephthalate hydrogenation at reduced pressures, overcoming palladium limitations.

A transition metal catalyst enables selective dehydroxylation of aldaric acids to produce muconic acids and furans.

Complexing agents stabilize tin nitrate solutions at room temperature, preventing chloride corrosion and ensuring uniform tin distribution.

Molybdenum acidic catalysts hydrolyze cellulose and oxidize carbohydrates into glycolic acid, bypassing complex ionic liquid solvents.

Reduced-pressure distillation at 120 to 190°C separates monoethylene glycol from 1,2-butanediol azeotropes while preventing thermal degradation.

Acid treatment with hydrogen peroxide converts trimethylolpropane bis-linear formal to pure TMP, preventing cyclic formal formation.

Heated pyrolysis reaction tube converts xylene vapor and nitrous oxide into [2,2']paracyclophane at atmospheric pressure.

Novel anthracene derivative acts as a light emitting host in organic electronic devices to enhance charge transport.

Condensing phenol and glyoxylic acid replaces toxic reagents to produce frambione with high biobased carbon content.

Cobalt catalysts drive hydrocarbon oxidation in compressed gas expanded liquids, replacing high temperature requirements with ambient pressure operation.

A one-pot process synthesizes functional polymers by reacting aldehydes with alkyl-zinc compositions using a Lewis acid promoter.

Cyclic dicarboxylic acid structures resolve chain length flexibility contradictions to enhance neprilysin inhibition potency.

Converting 1,4-butanediol to a diester intermediate eliminates MEK impurities found in 2,3-butanediol routes, simplifying separation.

Solid acidic catalyst decomposes high-boiling impurities into volatile compounds, reducing energy consumption and preventing resin poisoning.

Merging ester formation with salt creation eliminates purification steps, achieving purity exceeding 99.5% for pharmaceutical use.

Hydrolyzing dialkoxyalkadienyne compounds yields dienynal pheromones without hazardous oxidation steps.

Composite ester structures balance oxidative stability with biodegradability, replacing petroleum-based lubricants.

A tube-in-tube reactor uses a semi-permeable membrane to separate ethylene from reaction mixtures.

Amorphous calcium phosphate catalyst with optimized Ca/P ratio resolves selectivity and durability trade-offs in 2,3-butanediol conversion.

Aromatic carboxylic acid components modify ester base oils to reduce water affinity and enhance lubricity.

Aryl compounds with partially fluorinated tails serve as starting materials for polyacrylate copolymers and phosphate surfactants.

Replacing organic solvents with phosgene eliminates solid deposits and reduces energy consumption during isocyanate preparation.

Ionic liquids dissolve terephthalic acid selectively, removing 4-carboxybenzaldehyde impurities without expensive catalytic hydrogenation.

Concentrated hydrochloric acid replaces organic solvents to eliminate by-products and raise yield above 90% during halogenation.

Catalytic transesterification produces alkyl lactyllactates at lower temperatures without solvents.

Limiting hydroxypivaldehyde water content to 6.0% slows copper catalyst aging and extends operational period.

Acrylamide mesoporous polymer reagents enable selective aromatic nitro compound reduction, overcoming complex multi-stage processes and low yields.

Reducing acid concentration below 13 wt% eliminates extraction solvents and simplifies DCP production.

A four-step synthetic pathway converts substituted phenylbutanoic acids into 6-substituted menadiones using tetralone intermediates.

Hydrogenating nitro intermediates with a catalyst avoids acidic by-products and eliminates recrystallization.

A two-step method produces 4-hydroxy-2-methylbenzoic acid using carbon dioxide and a removable alkyl group under mild conditions.

Esterification of hydroxyalkanoates with fusel alcohols yields alkoxyalkanoates that resolve biodiesel cold flow gelation while reducing engine sooting.

Monosulfonated catecholate ligands increase coordination complex solubility, preventing precipitation damage in flow batteries.

Attaching a phosphorus group to dicyandiamide creates halogen-free hardeners that eliminate toxic byproducts from incineration.

Replacing platinum group metals with earth-abundant manganese or iron centers maintains high enantioselectivity while eliminating environmental toxicity.

HPLC/MS/MS quantifies tetranor PGDM, a stable metabolite proxy, overcoming instability and low sensitivity of direct PGD2 measurement.

Substituted CDTA bisamide ligands form stable Mn(II) complexes that minimize toxic ion release while maintaining high relaxivity.

Iodine aromatic ring compounds mediate fluorination while enabling easy separation and recovery of the mediator from reaction liquid.

A process treats sodium cyanide with 2-cyano-2-propenoic acid ester to produce high-purity 2,3-dicyanopropionic acid esters.