Organic Compound Preparation TRIZ Cases

A cyclic polyphenol compound enhances radiation-sensitive resist compositions for semiconductor manufacturing.

Replacing volatile solvents with an ionic liquid eliminates azeotrope formation, preventing difficult purification while reducing water consumption.

Protecting phenol groups before cyclization reduces POCl3 consumption and reaction temperature while preventing side reactions that lower yields.

Hydroxyl protecting groups create steric hindrance during nitration, reducing regioisomers and achieving high purity for large-scale manufacturing.

A gas-phase oxidation catalyst uses a solid acid support with controlled H0 strength to enhance acrylic acid production.

Distilling optically active fluorocarboxylic acid esters with an organic base reduces fluoride ion concentration below 10ppm without generating wastewater.

Oxygen removal below 10,000 ppm prevents oxidation of methylenediphenyldiamine, eliminating diarylmethane dyes that degrade product color quality.

Ketals from levulinic esters and epoxidized fatty acids replace toxic petroleum plasticizers in PVC.

Acetic acid serves as an extractant to separate vinyl acetate from ethyl acetate, reducing energy consumption and material loss during distillation.

A sulfonate extraction method prepares lisinopril intermediates using (R)-2-hydroxy-4-phenylbutyrate and trifluoroacetyl lysine salts.

Direct oxidative cleavage converts unsaturated vegetable oils into saturated monocarboxylic acids and polyfunctional triglycerides using hydrogen peroxide.

A dividing wall column separates isopropyl alcohol from water to reduce energy consumption and investment costs in azeotropic mixtures.

Palladium-deposited metal oxide layer on iron alloy carrier enables selective hydrogenation reactions.

Epoxidation and ring-opening reactions modify vegetable oil esters to improve oxidative stability while maintaining low fluidity temperature.

Using dialkyl imidazolium ionic liquids during para-xylene oxidation reduces purification time and eliminates catalytic hydrogenation steps.

Crystallizing hydroxycarboxylic acid aqueous solutions avoids thermal polycondensation, enabling high purity without yield loss.

Fusel oil extracts levulinic acid from lignin waste with amine synergists, recycling raffinate to cut costs and waste.

Esterifying bio-based succinic acid followed by catalytic hydrogenation produces 1,4-butanediol while reducing petrochemical reliance.

Ruthenium metathesis introduces polar groups to polyolefins, resolving energy waste and by-product issues from multi-step functionalization.

Segmenting penetration and injection functions reduces intraneural injury risk.

Preheating the flash vessel prevents adiabatic cooling, keeping acetic acid concentration above 70% in the crude product stream.

A two-stage condensation system prevents hydroxypivalaldehyde precipitation by separating vapor condensation into moderate and low temperature stages.

Alkali ions stabilize cobalt catalysts during diol hydrogenation, preventing acid-induced degradation and side reactions.

A bimetallic coordination metal-organic framework material assembles covalent charge carrier layers and ion layers to achieve high electrical conductivity.

Dynamic energy input reduces foaming in esterification, shortening cycle times and improving yield.

High-boiling solvents enable simultaneous salt splitting and dehydration, eliminating purification facilities and reducing waste generation.

A two-stage liquid phase hydrogenation process converts acetone to iso-propanol using controlled temperature profiles.