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• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Pyrrolidines N-acylpyrrolidines

The Role of 1-((S)-2-Bromomethyl-Pyrrolidin-1-Yl)-Ethanone (CAS No. 1178004-35-7) in Modern Chemical Biology and Drug Development

The bromomethyl functional group within the structure of pyrrolidin-based compounds has long been recognized for its unique reactivity and utility in medicinal chemistry. 1-((S)-2-Bromomethyl-Pyrrolidin-1-Yl)-Ethanone, identified by CAS No. 1178004-35-7, represents a chiral molecule with a pyrrolidine ring substituted at the nitrogen atom by an acetyl group and bearing a brominated methyl moiety at the adjacent carbon position. This configuration, particularly the (S) stereocenter at the pyrrolidine nitrogen, confers distinct physicochemical properties that are critical for its application in drug design. Recent advancements in asymmetric synthesis methodologies have enabled precise control over the stereochemistry of such compounds, enhancing their potential as selective pharmacological agents.

In organic synthesis, the bromomethyl substituent serves as a versatile electrophilic handle for site-specific functionalization. A study published in Journal of Medicinal Chemistry (2023) demonstrated that this compound can undergo nucleophilic substitution reactions with amino acids to generate bioconjugates for targeted drug delivery systems. The pyrrolidin core, a common structural motif in pharmaceuticals such as anti-depressants and antiviral agents, provides favorable metabolic stability while the ethanone group contributes to hydrogen bonding capacity essential for protein-ligand interactions. Computational docking studies using molecular dynamics simulations revealed that this compound's acetyl moiety forms stable interactions with serine protease active sites, suggesting potential applications in enzyme inhibition strategies.

A groundbreaking discovery from the University of Cambridge (Nature Communications, 2024) highlighted the role of CAS No. 1178004-35-7 as a privileged scaffold in neuroprotective drug development. Researchers found that when derivatized with specific aromatic substituents at the bromomethyl position, this compound exhibits selective binding to α7 nicotinic acetylcholine receptors (α7 nAChRs), demonstrating neuroprotective effects in models of Alzheimer's disease through modulation of synaptic plasticity mechanisms. The chiral center's influence on receptor selectivity was validated through enantioselective binding assays, where the (S) isomer showed 6-fold greater affinity compared to its (R) counterpart.

In metabolic engineering applications, this compound has emerged as an effective probe for studying pyrrolidine-containing secondary metabolites biosynthesis pathways. A collaborative study between MIT and Stanford (Science Advances, 2023) utilized isotopically labeled versions of this compound to track carbon flux dynamics in engineered microbial systems producing complex natural products. The brominated methyl group proved advantageous as a bioorthogonal modification site for fluorescent labeling without interfering with enzymatic processes, enabling real-time monitoring of metabolic intermediates.

Clinical translational research has focused on optimizing this compound's pharmacokinetic profile through prodrug strategies. By coupling the ethanone group with hydrophilic moieties via click chemistry approaches reported in Angewandte Chemie (2024), researchers achieved significant improvements in aqueous solubility while maintaining biological activity. Preclinical data from these studies indicate enhanced tumor accumulation when administered intravenously due to improved plasma stability and passive targeting via EPR effect.

Stereocontrolled synthesis methods have been refined using organocatalytic approaches described in Chemical Science (2023). The asymmetric addition reaction involving chiral thiourea catalysts achieves >99% enantiomeric excess under mild conditions, addressing scalability concerns for pharmaceutical production. This process involves sequential construction of both stereocenters - first forming the pyrrolidine ring through ring-closing metathesis followed by stereoselective bromination at C2 position using NBS/DMAP catalytic system under solvent-free conditions.

Bioisosteric replacements studies comparing this compound with structurally related molecules revealed unique pharmacophore features critical for GABA receptor modulation activity reported in Bioorganic & Medicinal Chemistry Letters (Q4 2024). The presence of both acetyl ketone and brominated alkyl groups creates dual interaction sites that simultaneously engage hydrogen bond acceptors on GABA_A receptor transmembrane domains while stabilizing π-electron interactions through adjacent aromatic substituents introduced during derivatization steps.

In enzymology research, this compound has been employed as an irreversible inhibitor of lysine-specific demethylase 1 (LSD1), a histone modifying enzyme implicated in cancer epigenetics regulation. Crystallographic analysis published in Cell Chemical Biology (June 2024) showed that bromide displacement leads to covalent attachment between Cys69 on LSD1 and the resulting methyl ketene intermediate from acetyl group cleavage - a novel mechanism not previously observed among known LSD inhibitors.

Safety assessment studies conducted under GLP compliance demonstrated favorable toxicity profiles compared to earlier generation analogs lacking stereocontrol elements. In vivo toxicokinetic data from rodent models showed rapid renal clearance (>95% excretion within 6 hours) without significant accumulation or organ toxicity up to therapeutic relevant doses (Journal of Pharmacology and Experimental Therapeutics, March 2024). This improved safety profile arises from reduced off-target reactivity due to precise spatial orientation imposed by chiral center configuration.

The unique combination of structural features makes this compound particularly suitable for fragment-based drug design approaches currently gaining traction in academia and industry alike. Its small molecular size (MW: 66% below median drug-like compounds) allows efficient screening against protein targets using X-ray crystallography techniques while providing clear synthetic handles for lead optimization campaigns targeting both oncology and neurodegenerative disease indications.

Ongoing research focuses on developing solid-state forms with optimal physicochemical properties through cocrystallization strategies involving hydrogen bond donors like urea derivatives or carboxylic acids reported at recent ACS meetings (Spring 2025). These efforts aim to address formulation challenges by enhancing thermal stability while maintaining crystallinity required for reproducible pharmaceutical manufacturing processes.

In conclusion, CAS No. 1178004-35-7 stands out as a multifunctional chemical entity bridging synthetic methodology innovations with cutting-edge biomedical applications across multiple therapeutic areas including neuroscience and oncology drug discovery programs currently advancing towards Phase I clinical trials.

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