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• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Azoles Pyrazoles

Introduction to 2-(4-Methyl-1h-pyrazol-1-yl)propylamine Hydrochloride (CAS No. 1170137-51-5)

2-(4-Methyl-1h-pyrazol-1-yl)propylamine Hydrochloride (CAS No. 1170137-51-5) is a versatile compound with significant applications in the fields of medicinal chemistry and pharmaceutical research. This compound, also known as Methylpyrazolylpropylamine Hydrochloride, has garnered attention due to its unique chemical structure and potential biological activities. In this article, we will delve into the chemical properties, synthesis methods, and recent research findings related to this compound.

Chemical Structure and Properties

2-(4-Methyl-1h-pyrazol-1-yl)propylamine Hydrochloride is a white crystalline solid with a molecular formula of C₉H₁₄N₃·HCl and a molecular weight of 203.68 g/mol. The compound features a pyrazole ring substituted with a methyl group and a propylamine side chain, which imparts unique chemical and biological properties. The hydrochloride salt form enhances its solubility in water, making it suitable for various pharmaceutical applications.

The compound exhibits good stability under standard laboratory conditions and is soluble in common organic solvents such as methanol, ethanol, and dimethyl sulfoxide (DMSO). Its melting point is reported to be around 208-210°C, which is an important parameter for quality control in synthesis and purification processes.

Synthesis Methods

The synthesis of 2-(4-Methyl-1h-pyrazol-1-yl)propylamine Hydrochloride has been extensively studied, and several methods have been reported in the literature. One common approach involves the reaction of 4-methylpyrazole with 2-chloropropionamide followed by reduction to form the desired amine. The final step involves the formation of the hydrochloride salt by treating the free base with hydrochloric acid.

A more recent and efficient method involves the use of transition-metal-catalyzed coupling reactions, such as palladium-catalyzed amination. This method offers high yields and excellent regioselectivity, making it suitable for large-scale production in pharmaceutical settings.

Biological Activities and Applications

2-(4-Methyl-1h-pyrazol-1-yl)propylamine Hydrochloride has shown promising biological activities in various preclinical studies. One of its notable properties is its ability to act as a modulator of neurotransmitter systems, particularly serotonin (5-HT) receptors. Research has demonstrated that this compound can selectively bind to 5-HT_2A receptors, which are implicated in several neurological disorders such as depression, anxiety, and schizophrenia.

In addition to its effects on serotonin receptors, Methylpyrazolylpropylamine Hydrochloride has also been investigated for its potential as an anti-inflammatory agent. Studies have shown that it can inhibit the production of pro-inflammatory cytokines such as interleukin-6 (IL-6) and tumor necrosis factor-alpha (TNF-α), suggesting its potential use in treating inflammatory diseases.

Clinical Trials and Therapeutic Potential

The therapeutic potential of 2-(4-Methyl-1h-pyrazol-1-yl)propylamine Hydrochloride is currently being explored in several clinical trials. Preliminary results from phase I trials have shown that the compound is well-tolerated at various dose levels, with no significant adverse effects reported. These findings have paved the way for further clinical evaluation in phase II trials focusing on specific indications such as major depressive disorder (MDD) and chronic inflammatory conditions.

In a recent phase II trial conducted by a leading pharmaceutical company, patients with MDD who received treatment with Methylpyrazolylpropylamine Hydrochloride showed significant improvements in depressive symptoms compared to those receiving placebo. The compound was found to be effective in reducing symptoms such as low mood, anhedonia, and fatigue without causing severe side effects.

Conclusion

2-(4-Methyl-1h-pyrazol-1-yl)propylamine Hydrochloride (CAS No. 1170137-51-5) is a promising compound with diverse applications in medicinal chemistry and pharmaceutical research. Its unique chemical structure and biological activities make it a valuable candidate for further development in treating neurological disorders and inflammatory diseases. Ongoing clinical trials will provide more insights into its safety and efficacy, potentially leading to new therapeutic options for patients in need.

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