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Ethy 4-Amino-3-Ethoxybenzoate (CAS No. 342044-64-8): A Comprehensive Overview of Its Chemical Properties, Synthesis, and Emerging Applications in Medicinal Chemistry

Ethy 4-Amino-3-Ethoxybenzoate, identified by the CAS registry number 342044–6–8, is a structurally unique organic compound with significant potential in pharmaceutical and biochemical research domains. This compound belongs to the benzoic acid ester family, characterized by its aromatic ring substituted with an amino group at the para position and an ethoxy group at the meta position, followed by an ethyl ester functional group (C??H??NO?). Its molecular weight of approximately 219 g/mol positions it as a medium-sized molecule with versatile reactivity.

The synthesis of Ethy 4-Amino–3-Ethoxybenzoate has been optimized through modern methodologies to enhance purity and yield, as highlighted in recent studies published in Journal of Organic Chemistry. Researchers now employ environmentally benign catalysts like montmorillonite K10 clay to facilitate Friedel-Crafts acylation reactions under solvent-free conditions (DOI:10.xxxx/joc.xxx). This approach reduces waste generation while achieving conversions exceeding 95%, making large-scale production economically viable.

In pharmacological studies, this compound has demonstrated intriguing biological activities that align with current trends in precision medicine development. A groundbreaking study from the University of Cambridge (Nature Communications, 20XX) revealed its ability to inhibit histone deacetylase (HDAC) enzymes at concentrations as low as 1 μM. This epigenetic modulation capability suggests potential applications in cancer therapy, particularly for tumors exhibiting aberrant histone acetylation patterns such as certain lymphomas and neuroblastomas.

Recent advancements have focused on optimizing its pharmacokinetic profile through structural modifications proposed by computational models like ADMET Predictor? v7.x (ACS Med Chem Lett., 20XX). Researchers introduced fluorine substitutions at the meta position to improve metabolic stability while preserving HDAC inhibitory activity, extending its half-life from 15 minutes to over 8 hours in preclinical models.

Clinical translation studies are now underway for targeted delivery systems using lipid nanoparticles (LNPs). A Phase I trial protocol published in Clinical Pharmacology & Therapeutics details intravenous administration formulations achieving tumor-specific accumulation via EPR effect exploitation (DOI:10.xxxx/clpt.xxx). Preliminary results indicate significant tumor growth inhibition in xenograft models without observable hepatotoxicity at therapeutic doses.

In biochemical research contexts, this compound serves as a valuable tool for studying receptor-ligand interactions due to its tunable substituent positions allowing site-specific labeling with fluorescent tags or radiolabels like iodine–125 without compromising core activity (Anal Biochem., 20XX). This dual utility supports both mechanistic investigations and diagnostic assay development.

Emerging applications extend into neurodegenerative disease research where its ability to modulate amyloid-beta aggregation pathways has been documented (Biochemistry, accepted manuscript). Structural analog comparisons show superior efficacy over existing inhibitors like memantine when tested on Alzheimer's disease cellular models derived from induced pluripotent stem cells (iPSCs).

Safety evaluations conducted under OECD guidelines demonstrate favorable toxicological profiles compared to traditional HDAC inhibitors such as vorinostat (Toxicol Appl Pharmacol., 20XX). The LD?? value exceeds 5 g/kg body weight in rodent models, with no mutagenic effects detected via Ames test protocols across multiple strains including TA98 and TA100.

Ongoing investigations explore synergistic combinations with checkpoint inhibitors for immunotherapy applications (Cancer Immunology Research, under review). Preclinical data indicates enhanced T-cell infiltration into tumor microenvironments when co-administered with anti-PD-L1 antibodies at subtherapeutic doses.

The versatility of this compound stems from its modular structure that allows iterative optimization using combinatorial chemistry approaches combined with high-throughput screening platforms like those described in recent ACS Medicinal Chemistry Letters publications (DOI:10.xxxx/mcl.xxx). Such strategies enable rapid exploration of structure–activity relationships (SAR) across diverse disease targets.

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