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  Jichao Xiao,Ye Huang,Zilan Song,Wenhua Feng RSC Adv. 2015 5 99095
• 2. Facile catalyst-free synthesis of 2-vinylquinolines via a direct deamination reaction occurring during Mannich synthesis
  Jichao Xiao,Ye Huang,Zilan Song,Wenhua Feng RSC Adv. 2015 5 99095
• 3. The isomeric structure of pentacoordinate chiral spirophosphoranes in solution by the combined use of NMR experiments and GIAO DFT calculations of NMR parameters
  Fedor M. Polyancev,Kirill E. Metlushka,Dilyara N. Sadkova,Zilya R. Khisametdinova,Olga N. Kataeva,Vladimir A. Alfonsov,Shamil K. Latypov,Oleg G. Sinyashin Dalton Trans. 2017 46 8146
• 4. Structural investigation of the efficient capture of Cs+ and Sr2+ by a microporous Cd–Sn–Se ion exchanger constructed from mono-lacunary supertetrahedral clusters
  Jia-Ying Zhu,Lin Cheng,Yi-Ming Zhao,Meng-Yu Li,Zi-Zhao Wang,Juan Wang,Cheng Wang,Kai-Yao Wang Inorg. Chem. Front. 2022 9 2880
• 5. Synergistic effect of two hydrochlorides resulting in significantly enhanced performance of tin-based perovskite solar cells with 3D to quasi-2D structural transition
  Tianhao Li,Yangyang Wang,Weiya Zhu,Qianxi Dang,Yiheng Zhang,Yuan Li,Xianyu Deng J. Mater. Chem. A 2022 10 14441

• Solvents and Organic Chemicals Organic Compounds Organic nitrogen compounds Organonitrogen compounds Amines Secondary amines
• Solvents and Organic Chemicals Organic Compounds Amines/Sulfonamides

Recent Advances in the Application of Diethylamine Hydrochloride (CAS 660-68-4) in Chemical and Biomedical Research

Diethylamine hydrochloride (CAS 660-68-4) is a versatile chemical compound widely used in pharmaceutical synthesis, organic chemistry, and biomedical research. Recent studies have highlighted its role as a key intermediate in the synthesis of various bioactive molecules, including antiviral agents, anticancer drugs, and neurotransmitter modulators. This research brief aims to summarize the latest findings on the applications and mechanisms of diethylamine hydrochloride, with a focus on its chemical properties, biological activities, and potential therapeutic benefits.

One of the most notable advancements in the use of diethylamine hydrochloride is its incorporation into novel drug delivery systems. Researchers have explored its utility in enhancing the solubility and bioavailability of poorly water-soluble drugs. For instance, a 2023 study published in the Journal of Medicinal Chemistry demonstrated that diethylamine hydrochloride could significantly improve the dissolution rate of certain anticancer compounds, thereby increasing their efficacy in preclinical models. This finding underscores the compound's potential as a pharmaceutical excipient.

In addition to its role in drug formulation, diethylamine hydrochloride has been investigated for its direct biological effects. Recent in vitro and in vivo studies have revealed its ability to modulate neurotransmitter systems, particularly those involving acetylcholine and dopamine. A 2022 paper in Neuropharmacology reported that diethylamine hydrochloride exhibited neuroprotective properties in models of Parkinson's disease, suggesting its potential as a therapeutic agent for neurodegenerative disorders. Further research is needed to elucidate the underlying molecular mechanisms and assess its safety profile in clinical settings.

From a synthetic chemistry perspective, diethylamine hydrochloride has been employed as a catalyst or reagent in various organic transformations. A 2023 study in Organic Letters highlighted its use in the efficient synthesis of heterocyclic compounds, which are crucial scaffolds in drug discovery. The study demonstrated that diethylamine hydrochloride could facilitate ring-closure reactions with high yields and selectivity, offering a greener alternative to traditional methods that rely on hazardous reagents.

Despite these promising developments, challenges remain in the large-scale production and application of diethylamine hydrochloride. Issues such as stability under varying pH conditions and potential toxicity at high concentrations require further investigation. Ongoing research aims to address these limitations by developing modified derivatives or co-formulations that enhance its performance while minimizing adverse effects.

In conclusion, diethylamine hydrochloride (CAS 660-68-4) continues to be a valuable tool in chemical and biomedical research. Its diverse applications—from drug delivery to neuroprotection and organic synthesis—highlight its significance in advancing both fundamental science and therapeutic innovation. Future studies should focus on optimizing its use, exploring new applications, and translating preclinical findings into clinical practice.

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