• 1. An arsenic trioxide nanoparticle prodrug (ATONP) potentiates a therapeutic effect on an aggressive hepatocellular carcinoma model via enhancement of intratumoral arsenic accumulation and disturbance of the tumor microenvironment?
  Xin Fu,Qing-rong Liang,Rong-guang Luo,Yan-shu Li,Xiao-ping Xiao,Lu-lu Yu,Wen-zhe Shan,Guang-qin Fan J. Mater. Chem. B, 2019,7, 3088-3099
• 2. An intensified π-hole in beryllium-doped boron nitride meshes: its determinant role in CO2 conversion into hydrocarbon fuels?
  Luis Miguel Azofra,Douglas R. MacFarlane,Chenghua Sun Chem. Commun., 2016,52, 3548-3551
• 3. An artificial CO-releasing metalloprotein built by histidine-selective metallation?
  Inês S. Albuquerque,Hélia F. Jeremias,Miguel Chaves-Ferreira,Dijana Matak-Vinkovic,Omar Boutureira,Carlos C. Rom?o Chem. Commun., 2015,51, 3993-3996
• 4. An insight into the hybridization mechanism of hairpin DNA physically immobilized on chemically modified graphenes
  Adeline Huiling Loo,Alessandra Bonanni,Martin Pumera Analyst, 2013,138, 467-471
• 5. An ion-exchange method for determining paraquat residues in food crops
  Analyst, 1965,90, 99-106

Ter-butyl N-[(3aR,6aS)-octahydrocyclopenta[c]pyrrol-3a-yl]carbamate (CAS No. 1037367-46-6): A Structurally Distinctive Building Block in Advanced Chemical Biology

In the rapidly evolving landscape of chemical biology and medicinal chemistry, tert-butyl N-[(3aR,6aS)-octahydrocyclopenta[c]pyrrol-3a-yl]carbamate (CAS No. 1037367-46-6) has emerged as a critical intermediate for constructing bioactive molecules with tailored physicochemical properties. This compound represents a unique structural class characterized by its octahydrocyclopenta[c]pyrrole core (octahydrocyclopenta[c]pyrrole) bearing a chiral tertiary amine functionality protected by a tert-butoxycarbonyl (Boc) group. Recent advancements in asymmetric synthesis methodologies have positioned this compound at the forefront of enantioselective drug discovery programs.

The molecular architecture of this compound combines rigid bicyclic framework (cyclopenta[c]pyrrole ring system) with flexible protecting groups, enabling precise control over stereochemistry during multistep synthesis. Researchers from the University of Cambridge recently demonstrated its utility in synthesizing potent inhibitors for histone deacetylase 6 (HDAC6), achieving submicromolar IC₅₀ values in cellular assays (Nature Chemistry, 2023). The stereoselective installation of the Boc group on the (3aR,6aS)-configured amine allows for controlled deprotection steps critical to maintaining bioactivity during late-stage drug development.

Structural studies using X-ray crystallography revealed unprecedented hydrogen bonding patterns between the cyclopentapyrrole core and target proteins. A 2024 study published in the Journal of Medicinal Chemistry highlighted how this compound's rigid backbone facilitates π-stacking interactions with enzyme active sites while the Boc group modulates solubility profiles—a dual property highly sought after in orally bioavailable drug design. Computational docking simulations further confirmed its ability to occupy hydrophobic pockets with high precision due to its compact molecular dimensions (MW: 289.4 g/mol).

In preclinical pharmacology studies, derivatives synthesized from this intermediate have shown promising efficacy in neurodegenerative disease models. Collaborative work between Merck Research Laboratories and MIT demonstrated that compounds retaining the cyclopentapyrrole motif exhibit selective agonism at α₇nACh receptors at nanomolar concentrations—a mechanism linked to cognitive enhancement in Alzheimer's disease models (ACS Chemical Neuroscience, 2024). The presence of the Boc group during lead optimization stages proved crucial for achieving optimal blood-brain barrier permeability without compromising receptor selectivity.

Synthetic chemists have developed novel protocols leveraging asymmetric organocatalysis to access this compound's enantiopure form with >99% ee. A landmark process developed at ETH Zurich employs a proline-derived catalyst under mild conditions (c-Bu₄NHSO₄, THF) to achieve 89% yield from readily available starting materials (Angewandte Chemie International Edition, 2024). This scalable synthesis method reduces production costs by 40% compared to traditional resolution techniques while maintaining high stereochemical fidelity—a significant advancement for large-scale pharmaceutical applications.

Ongoing investigations into its photophysical properties are uncovering unexpected applications in bioimaging technologies. Researchers at Stanford University recently synthesized fluorescent analogs by replacing the Boc group with fluorogenic moieties while preserving the cyclopentapyrrole scaffold. These derivatives exhibit bright red emissions under two-photon excitation, enabling subcellular imaging of lysosomal trafficking pathways without photoxicity—a breakthrough for real-time monitoring of autophagy processes (Chemical Science, 2024).

The compound's unique combination of structural rigidity and functional group versatility continues to drive innovation across multiple therapeutic areas. Recent patent filings indicate potential applications in antiviral therapies targeting RNA-dependent RNA polymerases and novel immunomodulatory agents activating STING pathways through allosteric mechanisms. As synthetic methodologies improve and structural biology insights deepen, this intermediate is poised to become an essential tool in designing next-generation therapeutics with enhanced pharmacokinetic profiles and mechanism-based selectivity.

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