Organic Compound Preparation TRIZ Cases

Specific cationic lipid structures complex anionic drugs electrostatically, supporting intracellular delivery while reducing cytotoxicity.

Pyrolysis converts waste plastics into recycled propylene for cyclobutane diol polyester, adding recycled content while reducing disposal impacts.

Heteroatom-modified cerium oxide nanorods catalyze CO2 and methanol to improve DMC yield and suppress by-products under moderate conditions.

Vinylether intermediates enable scalable cyclopentyl carboxylate production through hydrolysis and hydrogenation without harmful reactants.

Precise pore geometry helps a metal–organic framework release adsorbed water, carbon dioxide, and hydrogen more readily.

Heterogeneous catalysts selectively oxidize glycerol to 1,3-dihydroxyacetone, reducing by-products and enabling high space-time yields.

High pheromone costs limit agricultural pest control; transition-metal olefin metathesis enables cost-effective routes to Z-rich pheromones and precursors.

An acid-excess reaction with suitable catalysis suppresses disproportionation in glycerol (meth)acrylate esters, supporting storage for up to 8 months at 30°C.

A one-pot phase-transfer reaction improves α-functionalized ketone yield and purity while avoiding elaborate purification steps.

Existing sandalwood materials lack natural odor complexity; combined derivatives provide woody, creamy, persistent notes with greater tenacity.

Limited chromane synthesis routes are expanded through cooperative catalysis, enabling reductive annulation and broad bioactivity.

Combining ring opening and elimination in one vessel avoids intermediate isolation while supporting high-yield vitamin A derivative production.

Water extraction moves alkyl hydroperoxide into an aqueous phase while dialkyl peroxide stays organic, followed by concentration for higher purity.

Harsh carbonate reservoirs challenge conventional chemicals; citric acid-based additives in seawater adsorb on rock and improve oil displacement.

Controlled nitric acid with sulfuric acid or oleum limits side reactions, delivering regioselective, near-quantitative preparation at room temperature.

An inert liquid phase distributes heat during ethylene glycol diacetate cracking, improving vinyl acetate selectivity and limiting reactor fouling.

Controlled sodium and aluminium levels in a tantalum-supported catalyst improve 1,3-butadiene activity and yield from ethanol and acetaldehyde.

Halogens, epoxidation agents, and carbenes functionalize diverse polyaromatic molecules before polymerization, enabling lower-CO2 material production.

Starting with glucose, the process uses glucaric acid potassium salt and an alkyl adipate intermediate to make adipic acid with lower emissions.

A Rh catalyst activates arene C–H bonds with styrenes and an oxidant, producing selective stilbene derivatives without pre-functionalization.

This methyl methacrylate formulation uses α-olefins and methyl isobutyrate to retain transparency and heat resistance while preventing coloration.

Hydrogen peroxide and vanadium oxide convert lignin or ferulic acid into vanillin with high selectivity and water as the only by-product.

Controlled-pH reverse flotation uses cationic collectors to remove silicate while retaining iron recovery for direct-reduction concentrates.

Fiber binding and controlled CuO-silica composition preserve catalyst strength and activity during high-pressure neopentyl glycol production.

Controlled metal distribution in phosphine resin pellets forms an eggshell catalyst that improves n-butyraldehyde selectivity and catalyst recovery.

Promoted copper on alumina replaces hazardous chrome-containing catalysts, maintaining hydrogenation activity while improving yield, impurity resistance, and catalyst life.

This case replaces costly sodium dithionite with hydrogen or electrochemical reduction to form controlled anthraquinone derivatives.

Acetone pre-oxidation converts impurities before hydrogenation for high-purity isopropanol.

Four optimized VTiO layers address yield loss and catalyst aging in phthalic anhydride production without reactor changes.

This case uses low-dose dicarboxylic acid monoesters to improve fuel lubricity while reducing cost, acidity, and emulsification.

This case replaces inefficient organozinc transmetallation with direct organoaluminum substitution of alpha-(halomethyl) acrylates.

TOPO-based extraction removes alcohols from fermentation media and limits product inhibition.

This case uses organic alkali at 50-90°C to convert cis esters to trans products with less waste and simpler scale-up.

This case uses α-olefin and carboxylate compounds in methyl methacrylate resin to limit coloration while preserving transparency and heat resistance.

This commercial-scale process uses HPLC monitoring and flash chromatography to reduce desethyl impurity below 0.1%.

A heat-storage start-up heater supplies activation energy and reduces shutdown losses during fluctuating renewable energy input.

A staged tower uses side-cut withdrawal and high-boiling reflux to recover dimethylolbutanal while preserving hydrogenation reactivity.

A tank buffer and single distillation column maintain methanol purity as renewable energy availability fluctuates.

Copper-bound carbonate catalyst bodies resist stress during hydrogenation.

A Cu-Zn-Al-Si-Pd/Au catalyst in a fixed-bed reactor converts carbon oxide to methanol at 180-250°C, reducing energy use.

Flash and absorption separation limit alcohol carryover and propylene loss.

A controlled 0.01–1.5 wt% water range limits impurities and supports stable, high-yield production of aromatic bis ether compounds.

A palladium, aryl bidentate phosphine, and acid additive system delivers high conversion and selectivity in ester synthesis.

Oxygen-ratio control suppresses polymerization during acrylic monomer distillation.

Replacing costly Ruppert-Prakash reagents, iron catalysis and DMF enable ketone conversion through decarboxylative polyfluoroalkylation.

Ester- and epoxide-functional CNSL compounds plasticize cellulose acetate, lowering glass transition temperature and improving flexibility.

A porous C3N4 support stabilizes hydrogenation and retro-aldol metal sites, limiting metal loss during glycol production.

This case replaces Birch-style conditions with mechanochemical magnesium, solvated electrons, and amine protonation for controlled reduction.

This case uses layered catalysts and reaction-bath temperature control to stabilize yield and limit catalyst degradation.

Ion exchange resin catalysts in adiabatic reactors improve monoethylene glycol selectivity while reducing evaporation and energy demands.