Organic Chemistry TRIZ Cases

Tailored CYP11B2 inhibitors address MR-antagonist off-target effects by blocking aldosterone synthesis without suppressing cortisol production.

Difficult-to-purge dimethylamine and pyrrolidine are addressed with alternative protecting and leaving groups that ease intermediate purification.

A specific amine compound in the hole transport region improves charge mobility, luminous efficiency, and light emitting element service life.

Controlled hydroxymethylation and phenol condensation improve structure control and yield while preserving rigidity, toughness, and low resin viscosity.

Bioderived fermentation and multi-step purification remove offensive flavors from 1,3-butylene glycol for neutral-taste food and beverage use.

High reactivity makes rhodamine dyes costly to synthesize; sulfonate groups and defined substituents support simpler production.

A fluorine-containing ether lubricant balances polar adhesion with perfluoropolyether chemical resistance to suppress spin-off from magnetic media.

A one-step aromatic amine–coumarin reaction produces markers for selective lipid-droplet and mitochondria imaging with low cytotoxicity.

Treatment resistance is addressed by recruiting androgen receptor to cereblon E3 ligase, enabling ubiquitination and proteasomal degradation to reduce AR levels.

Naphthobisbenzofuran compounds with dibenzofuranyl, dibenzothiophenyl, or carbazolyl groups target blue chromaticity and emission efficiency.

Selective TLR7, TLR8, and TLR9 antagonism targets autoimmune inflammation in SLE while addressing toxicity from nonspecific immunosuppression.

Broad immunosuppressive drugs can cause significant toxicity; oral compounds selectively antagonize TLR7, TLR8, and TLR9 for SLE treatment.

Peroxide-based cleaning formulations use two synergistic stabilizers to maintain active-ingredient stability, color, fragrance, and shelf life.

A high-HOMO compound and emitting auxiliary layer balance charges, block exciton transfer, and extend organic device lifetime.

Bicyclic compounds inhibit WRN helicase, disrupting DNA repair to trigger cell-cycle arrest and apoptosis in MSI-H cancer models.

By binding the EED subunit instead of EZH2’s SET domain, these compounds inhibit PRC2 despite activating EZH2 mutations.

Conventional pyrrole synthesis uses hazardous acids and solvents; apple juice catalysis enables high-yield reactions under mild aqueous conditions.

Specific heterocyclic compounds tune charge transport in OLED layers to raise efficiency, lower driving voltage, and extend device lifetime.

Blue-to-green OLEDs need emitters that balance efficiency and stability; these TADF organic molecules target 420–520 nm emission and photoluminescence quantum yields of 20% or more.

Dithio-, thio-, and mercapto-containing additives intercept reactive oxygen species to preserve implanted analyte indicator signal integrity.

A carbapenem-linker-fluorophore probe releases fluorescence after enzyme hydrolysis, enabling sensitive detection across carbapenem-resistant bacteria.

Novel fused bicyclic heterocycles target NAMPT with sub-μM IC50 activity while addressing pharmaceutical-property limits in cancer therapy.

Meniscus coating can trigger acceptor aggregation and crystal growth; a ternary layer preserves morphology and efficiency across larger organic solar cells.

Deuterium-substituted host and dopant molecules limit wavelength shift and crystallization while lowering voltage and extending OLED life.

Controlled ratios of two polythiol compounds balance reaction rate and glass transition temperature, suppressing stria and white turbidity in optical lenses.

Orally available PCSK9 compounds target the tradeoff between LDLR enhancement, injection complexity, and the cost of cholesterol therapy.

DHODH inhibition by a Formula 1 pyrazine derivative blocks pyrimidine synthesis and supports anti-tumor activity against resistant cancers.

Selective blockade of TLR7, TLR8, and TLR9 reduces autoimmune inflammation while addressing toxicity from broad immunosuppression.

Dual MEK/RAF and MEK/KSR activity addresses weak efficacy from single-agent inhibitors while CNS penetration supports treatment of CNS cancers.

Binding UV absorbers to pentaerythritol and trimethylolpropane backbones improves organic-solvent solubility and long-term coating protection.

Polymorph, hydrate, solvate, and co-crystal selection addresses the tradeoff between HIV inhibitor stability, storage, and bioavailability.

These compounds inhibit SCD1, disrupt fatty acid synthesis, and induce ER stress and UPR to reduce cancer cell growth.

Substituted coumarin derivatives support 450–460 nm excitation, improving spectral separation and fluorescence stability for multiplex nucleic acid sequencing.

Thiazole bridges connect donor and acceptor chromophores to support blue-green OLED emission while improving electrochemical stability.

High-energy exposure activates hypervalent iodine in the resist, improving contrast and resolution while reducing LWR in EUV and EB micropatterning.

Limited receptor knowledge and few animal orthologs complicate development; selective MRGPRX2 modulators target mast-cell activation and histamine release.

Modified anhydride chemistry forms polyimide films with lower dielectric constant and loss for 5G boards.

Specific SHC/HAC substitutions improve conversion rates and selectivity when making (−)-Ambrox from homofarnesol for fragrances.

A Formula (1) compound in the photoelectric conversion film targets insufficient 460 nm blue-light response and raises quantum efficiency.

Fused imidazopyridine compounds target BTK to modulate B-cell signaling and reduce autoantibody-driven inflammation.

Exciton diffusion into the electron transport layer is reduced with a Formula 1 compound that supports mobility, low voltage, and longer OLED life.

Rapid tagging with activated procaine supports mild pH 7–9 labeling of N-glycans, helping prevent degradation while enabling fluorescence and mass spectrometry.

Chronic inflammatory skin diseases lack topical AhR therapies; isoquinoline compounds activate AhR to reduce IL-17A and strengthen the skin barrier.

UV-sensitive photovoltaic films can decay and yellow; naphthotriazole converts UV to visible light while improving stability.

CTPS1-selective aminopyrimidine and pyrazine derivatives address weak isozyme selectivity and cellular permeability while reducing T- and B-cell proliferation.

Compound A synthesis uses controlled reductive amination, acid treatment, and coupling steps to limit impurities and deliver purity above 95%.

Flavor-modifying compounds pair with sucrose or sucralose to reduce bitter and metallic aftertaste while shaping sugar-like sweetness onset and linger.

Rigid heterocyclic materials for OLED organic layers target high driving voltage, limited service life, and poor thermal stability.

Novel spirobifluorene compounds provide thermally stable OLED materials that sublime without decomposition while supporting longer device lifetime.

Isoform-targeted CDK2, CDK4, and CDK6 compounds address limited inhibitor efficacy and specificity while supporting anti-proliferation activity across cancers.