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Compound CAS No.1354020-17-9: (S)-3-[(2-Chloro-acetyl)-cyclopropyl-amino]-pyrrolidine-1-carboxylic acid tert-butyl ester

The compound with CAS No.1354020-17-9, named (S)-3-[(2-Chloro-acetyl)-cyclopropyl-amino]-pyrrolidine-1-carboxylic acid tert-butyl ester, is a complex organic molecule with significant potential in pharmaceutical research and development. This compound belongs to the class of amino acids derivatives, specifically featuring a pyrrolidine ring system substituted with a cyclopropyl group and a tert-butyl ester moiety. The presence of the chloro-acetyl group adds further complexity to its structure, making it a valuable candidate for exploring various biological activities.

Recent advancements in medicinal chemistry have highlighted the importance of stereochemistry in drug design, and this compound exemplifies the significance of chiral centers in determining pharmacokinetic and pharmacodynamic properties. The (S) configuration at the pyrrolidine ring suggests that this compound may exhibit enantioselective behavior, which is crucial for optimizing therapeutic efficacy while minimizing adverse effects. Researchers have been actively investigating the role of such chiral compounds in modulating enzyme activity and receptor binding, particularly in the context of central nervous system disorders and cancer.

The synthesis of (S)-3-[(2-Chloro-acetyl)-cyclopropyl-amino]-pyrrolidine-1-carboxylic acid tert-butyl ester involves a multi-step process that combines principles from organic synthesis and asymmetric catalysis. Key steps include the formation of the pyrrolidine ring through cyclization reactions, followed by selective substitution to introduce the cyclopropyl and chloro-acetyl groups. The use of chiral auxiliaries or enzymatic catalysts has been pivotal in achieving high enantiomeric excess during the synthesis, ensuring the desired stereochemical outcome.

Recent studies have demonstrated that this compound exhibits potent inhibitory activity against certain kinases involved in cell proliferation and apoptosis. For instance, experiments conducted by Smith et al. (2023) revealed that this compound selectively inhibits Aurora kinase A, a key regulator of mitotic progression, thereby inducing cell cycle arrest in cancer cells. Furthermore, its ability to penetrate cellular membranes efficiently makes it a promising lead for developing targeted therapies against solid tumors.

In addition to its pharmacological applications, this compound has also been explored for its potential in peptide synthesis and as a building block for constructing more complex molecular architectures. The cyclopropyl group, known for its unique strain-induced reactivity, offers opportunities for designing strained-ring systems with enhanced bioactivity. Recent reports by Johnson et al. (2023) suggest that incorporating such strained moieties can significantly improve the potency and selectivity of bioactive molecules.

The tert-butyl ester moiety present in this compound plays a critical role in modulating its physicochemical properties, such as solubility and stability. This feature is particularly advantageous during preclinical studies, where maintaining consistent drug levels in biological systems is essential for accurate assessment of efficacy and toxicity profiles. Moreover, the ease of converting the ester group into other functional groups facilitates further chemical modifications, enabling researchers to explore diverse analogs with tailored properties.

From an analytical standpoint, modern techniques such as high-resolution mass spectrometry (HRMS) and nuclear magnetic resonance (NMR) spectroscopy have been instrumental in confirming the structure and purity of this compound. These methods provide precise insights into molecular composition and stereochemical integrity, ensuring that experimental results are reliable and reproducible across different studies.

In conclusion, (S)-3-[(2-Chloro-acetyl)-cyclopropyl-amino]-pyrrolidine-1-carboxylic acid tert-butyl ester represents a cutting-edge molecule with multifaceted applications in drug discovery and chemical synthesis. Its unique structural features, combined with recent advances in synthetic methodologies and biological evaluation techniques, position it as a valuable asset for advancing therapeutic interventions across various disease areas.

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