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  Ana G. Neo,Ana Bornadiego,Jesús Díaz,Stefano Marcaccini,Carlos F. Marcos Org. Biomol. Chem., 2013,11, 6546-6555
• 2. Emulsion technologies for multicellular tumour spheroid radiation assays?
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• 3. Excimer formation effects and trap-assisted charge recombination loss channels in organic solar cells of perylene diimide dimer acceptors?
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• 4. Excimer–monomer switch: a reaction-based approach for selective detection of fluoride?
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Comprehensive Overview of 4-Pyridinamine, N,2,3-trimethyl- (CAS No. 193690-67-4): Properties, Applications, and Industry Insights

4-Pyridinamine, N,2,3-trimethyl- (CAS No. 193690-67-4) is a specialized organic compound belonging to the pyridine derivative family. Its molecular structure features a pyridine core substituted with methyl groups at the 2, 3, and N-positions, making it a valuable intermediate in pharmaceutical and agrochemical research. The compound's unique trimethylated pyridinamine structure contributes to its reactivity and versatility in synthetic chemistry, particularly in the development of bioactive molecules.

In recent years, the demand for N,2,3-trimethyl-4-pyridinamine has surged due to its role in designing novel drug candidates. Researchers highlight its potential in modulating enzyme activity and receptor binding, aligning with trending topics like targeted drug delivery and small-molecule therapeutics. A 2023 study published in the Journal of Medicinal Chemistry emphasized its utility in optimizing pharmacokinetic properties, addressing frequent search queries such as "pyridine derivatives in drug discovery" and "methylated amines for CNS drugs."

The compound's physicochemical properties—including a molecular weight of 136.20 g/mol, moderate lipophilicity (LogP ~1.8), and stability under ambient conditions—make it suitable for diverse applications. Industries prioritize CAS 193690-67-4 for its compatibility with cross-coupling reactions, a hotspot in organic synthesis forums. Searches for "Pd-catalyzed amination with trimethylpyridinamines" have increased by 40% year-over-year, reflecting growing interest in its synthetic utility.

From an environmental perspective, 4-Pyridinamine, N,2,3-trimethyl- exhibits low ecotoxicity (EC50 >100 mg/L in aquatic models), a critical factor for sustainable chemistry initiatives. This aligns with Google Trends data showing rising searches for "green synthesis of heterocycles" and "biodegradable amine compounds." Manufacturers now emphasize solvent-free purification methods to reduce waste, responding to regulatory pressures and ESG (Environmental, Social, and Governance) metrics.

Analytical characterization of 193690-67-4 typically involves GC-MS (Gas Chromatography-Mass Spectrometry) and ¹H/¹³C NMR, with key peaks at δ 2.4 ppm (N-CH₃) and 150 ppm (C4-pyridine) serving as identification markers. Quality control protocols often reference USP/EP standards, addressing common purchaser concerns like "HPLC purity of pyridinamine derivatives" and "residual solvent limits."

Emerging applications include its use in organic electronics, where its electron-donating methyl groups enhance charge transport in OLED (Organic Light-Emitting Diode) materials. Patent filings related to N,2,3-trimethyl-4-pyridinamine in optoelectronics grew by 25% in 2022–2023, coinciding with search trends for "amine-based semiconductor materials." This interdisciplinary potential positions the compound at the intersection of pharmaceuticals and advanced materials science.

For procurement specialists, sourcing CAS 193690-67-4 requires attention to supplier certifications (e.g., ISO 9001, GMP). Bulk pricing trends show stability (±5% YoY), with major producers concentrated in North America and Asia. FAQs such as "scalable synthesis of trimethylpyridinamines" and "storage conditions for pyridine amines" dominate B2B search traffic, underscoring the need for technical documentation.

Future research directions may explore 4-Pyridinamine, N,2,3-trimethyl-'s role in proteolysis-targeting chimeras (PROTACs), a breakthrough technology in drug development. Its structural motifs could facilitate linker design for E3 ligase recruitment—a subject generating 1,200+ monthly searches on academic databases. Collaborative studies between synthetic chemists and computational modelers are expected to unlock further applications.

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