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  Wenwu Liu,Yaoguang Huang,Limeng Wu,Wenjie Liu,Xiaowen Jiang,Zihua Xu,Qingchun Zhao New J. Chem. 2022 46 19342

Pyrrolidin-3-amine hydrochloride (CAS No. 122458-34-8): A Versatile Building Block in Modern Chemistry

Pyrrolidin-3-amine hydrochloride (CAS No. 122458-34-8) is a highly valuable chemical intermediate with broad applications in pharmaceutical research, material science, and specialty chemistry. This white to off-white crystalline powder, with its unique pyrrolidine amine structure, has become increasingly important in the development of novel bioactive compounds and functional materials.

The molecular structure of Pyrrolidin-3-amine HCl features a saturated five-membered nitrogen-containing ring, which provides excellent stability and reactivity for various chemical transformations. Researchers particularly value its secondary amine functionality, which makes it an ideal precursor for creating complex molecular architectures. Current trends in medicinal chemistry show growing interest in this compound as a scaffold for CNS-targeting drugs and enzyme inhibitors.

In pharmaceutical applications, Pyrrolidin-3-amine hydrochloride salt serves as a crucial building block for drug discovery programs. Its structural features are frequently incorporated into molecules targeting neurological disorders, with recent studies exploring its potential in neuroprotective agents and cognitive enhancers. The compound's water solubility (enhanced by the hydrochloride salt form) makes it particularly useful in formulation development.

The synthesis and applications of CAS 122458-34-8 have gained attention in response to several industry trends. First, the growing demand for nitrogen heterocycles in drug development has increased its importance. Second, its role in creating biodegradable polymers aligns with current sustainability initiatives in materials science. Third, its potential in asymmetric synthesis makes it valuable for producing chiral pharmaceuticals.

Quality specifications for Pyrrolidin-3-amine HCl typically include purity ≥98% (HPLC), with strict controls on residual solvents and heavy metals. Analytical methods such as NMR spectroscopy and mass spectrometry are commonly used for characterization. The compound's stability under various conditions has been extensively studied, showing excellent shelf life when stored properly in cool, dry environments.

From a commercial perspective, Pyrrolidin-3-amine hydrochloride has seen steady demand growth in recent years. Suppliers typically offer the compound in research quantities (gram to kilogram scale) with options for custom synthesis and purity grades. The global market for such fine chemicals is expanding, particularly in regions with strong pharmaceutical and biotechnology sectors.

Recent scientific literature highlights innovative uses of 122458-34-8, including its incorporation into metal-organic frameworks (MOFs) and as a ligand in catalytic systems. These applications leverage the compound's nitrogen donor properties and structural rigidity. Additionally, its derivatives show promise in bioconjugation chemistry for diagnostic applications.

Safety considerations for handling Pyrrolidin-3-amine hydrochloride follow standard laboratory protocols for amine compounds. While not classified as hazardous under current regulations, proper personal protective equipment (PPE) including gloves and eye protection is recommended. The compound's material safety data sheet (MSDS) provides comprehensive handling and storage guidelines.

The future outlook for Pyrrolidin-3-amine HCl appears promising, with research focusing on its enantiopure forms and novel derivatives. As structure-activity relationship (SAR) studies continue to reveal new biological activities, this compound will likely maintain its position as an important tool in molecular design and chemical synthesis across multiple disciplines.

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