Organic Compound Preparation TRIZ Cases

Ion-exchange resin and salt exchange enable heteropolyoxotungstate solvates with broader properties and stronger thermal and oxidizing stability.

Strong-base treatment converts FFA and FFE into removable soap, then evaporation and hydrogenation raise fatty alcohol purity with lower loss.

Synthetic grapefruit odor compounds use tailored functional groups and isomers to resist oxidation and hydrolysis while extending aroma life.

Controlled wood chip sizing improves impregnation and supports pretreatment, hydrolysis, and catalytic conversion to renewable mono-ethylene glycol.

A three-lobed catalyst with continuous holes and curved covers improves gas diffusion and packing while limiting pressure drop and abrasion.

Controlled salt formation and crystallisation turn sticky Bempedoic acid into stable sodium salt crystals with better flow and solubility.

A tailored cyclic ether and fluorinated alcohol crystallization route limits oxidation, lowers solvent residue, and preserves reduced coenzyme Q10 purity.

Microbial chain elongation and selective extraction turn ethanol or acetate into hexanoic acid for lower-cost 6-undecanone production.

Controlled oxygen in an ethanol-water catalyst feed stabilizes acetone production while maintaining high space time yield.

Amino acid transient directing groups steer Pd(II)-catalyzed beta- and gamma-C(sp3)-H arylation of primary aldehydes for higher yield and site-selectivity.

One-pot Au-based thermocatalysis converts waste PET into glycolic acid under mild conditions, improving selectivity, scalability, and cost.

CuX2 carboxylates convert arenes and alkenes to esters with high selectivity, avoiding directing groups and enabling catalyst recycling.

Acid-based catalysis directly forms high-purity electron-deficient olefin monomers while avoiding thermolysis and excess by-products.

A nitric oxide, nitric acid, and sulfuric acid mixture nitrates dinitrotoluene at lower temperature while cutting sulfuric acid use and side oxidation.

A two-phase organic-aqueous solvent with an antioxidant suppresses catalyst oxidation, maintains efficiency, and enables catalyst reuse.

A multimodal silica support with meso- and macropores keeps alkali-loaded catalysts selective and suppresses heavy by-products in acrylate synthesis.

A stable thianthrenium BCP reagent replaces impractical propellane, enabling broad photoredox cross-coupling and late-stage drug modification.

A supported non-noble metal catalyst enables atmospheric-pressure coupling of α-H ketones and alcohols with high selectivity, lower cost, and simpler processing.

Continuous or batchwise addition of a higher-boiling non-polar solvent enables clean alcohol removal and high-purity alkali metal alkoxides.

Targeted carrier conjugation and structure-tuned hemiasterlin derivatives improve anticancer activity while addressing safety concerns.

Partial-stream diversion across aldolization, hydrogenation, and column separation controls Cn:C2n alcohol ratios and water content.

A nitric oxide, nitric acid, and sulfuric acid mixture enables lower-temperature TNT nitration with less sulfuric acid use and reduced oxidation.

Aluminum- and phosphorus-modified Mo-Fe oxide catalyst enables high methanol conversion and formaldehyde selectivity at lower reaction temperatures.

Quinone oxidation and precipitation produce sulfonated triarylmethane dyes with minimal desalkylation, no residual salts, and high purity.

Temperature-based control of alcohol feed or reboiler heat stabilizes reactive distillation, cutting methanol contamination and energy use.

A segmented route uses pentaerythritol tetratosylate, catalytic hydrogenation, and crystallization to deliver scalable high-purity diamine salt.

Controlled ethanol recrystallization with crystal seeding yields flaky sodium stearyl fumarate with 5-15 μm particles and reduced caking.

Sequential molecular sieve adsorption and controlled distillation remove diacetone alcohol, boron compounds, moisture, and metals from semiconductor IPA.

Controlled solvent-phase reaction below reflux produces purer quaternary ammonium salts with defined alkyl lengths for targeted antimicrobial activity.

Raw methanol scrubs impurities from crude CO2 before synthesis, protecting the catalyst and enabling lower-emission methanol production.

Ion exchange removes salt before staged distillation, preventing column damage while recovering high-purity ethylene glycol.

A platinum-catalyzed liquid phase with limited water enables selective alcohol oxidation to unsaturated aldehydes at mild temperature and pressure.

An aryl alkyl ether absorbs UV light in methyl methacrylate, limiting dimer and pyruvate formation during storage and preserving polymer properties.

Secondary and tertiary alcohol solvents suppress intermediates and by-products in norbornane dimethanol hydrogenation, easing separation.

A permselective membrane and separate flow chambers improve reactant distribution, remove products, and limit hot spots that shorten catalyst life.

A series reactor process raises conversion while cutting energy use by lowering pressure downstream and increasing temperature stepwise.

Visible-light photocatalysis converts methanol and CO2 to acetic acid at ambient conditions, cutting energy use and simplifying catalyst recycling.

Main-chain scission in an acetal-based photoresist boosts EUV sensitivity, lowers exposure dose, and reduces line edge roughness.

Removing ether before aqueous workup enables clear phase separation, safer Grignard handling, and easier solvent recovery at high yield.

Photocatalytic oxime ether cleavage with SO2 insertion and fluorination enables one-step synthesis of remote cyano sulfonyl fluorides.

A hybridoma-derived monoclonal antibody enables rapid phenacetin residue screening in food with high specificity and 3.0 μg/L sensitivity.

Controlling benzylmonoamine and b* value in diamine-derived diisocyanates helps prevent lens yellowing, striae, and cloudiness.

Functional-group tuning improves blue light absorption, miscibility, and reactivity in ophthalmic materials while simplifying compound incorporation.

A tightly controlled para/meta aldehyde ratio improves green, aldehyde, and floral balance while increasing fragrance diffusibility.

A two-step WOx/ZrOx and mixed oxide catalyst route converts biomass-derived glycerol to acrylic acid with high yield and lower energy use.

Elevated-temperature synthesis and heated precipitation shorten EDDHA collection time while delivering 90%+ purity and 18%+ yield.

A haloalkyl alkoxymethyl ether intermediate cuts hazardous reagents and synthesis steps in industrial pentamethyldocosane production.

Base-catalyzed reaction enables depolymerization of stable polysulfone plastics into reusable chemicals, easing recycling and disposal burdens.

A safer one-pot route replaces hazardous levetiracetam reagents with commercial materials, cutting purification steps and cost.

Direct methane oxidation with reactive distillation and acid recirculation cuts energy use while co-producing methanol and sulfuric acid.