• 1. An atomistic mechanism for the degradation of perovskite solar cells by trapped charge?
  Eunhak Lim,Jiyoung Heo,Seong Keun Kim Nanoscale, 2019,11, 11369-11378
• 2. An integrated process of CO2 capture and in situ hydrogenation to formate using a tunable ethoxyl-functionalized amidine and Rh/bisphosphine system?
  Yu-Nong Li,Liang-Nian He,Xian-Dong Lang,Xiao-Fang Liu,Shuai Zhang RSC Adv., 2014,4, 49995-50002
• 3. An intensified π-hole in beryllium-doped boron nitride meshes: its determinant role in CO2 conversion into hydrocarbon fuels?
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• 4. An amide probe as a selective Al3+ and Fe3+ sensor inside the HeLa and a549 cell lines: Pictet–Spengler reaction for the rapid detection of tryptophan amino acid?
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• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Benzothiazoles Benzothiazoles
• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Benzothiazoles

1,3-Benzothiazole-6-Carboxamide (CAS No. 101084-51-9): A Comprehensive Overview

1,3-Benzothiazole-6-carboxamide (CAS No. 101084-51-9) is a versatile organic compound that has garnered significant attention in the fields of medicinal chemistry and pharmaceutical research. This compound belongs to the class of benzothiazoles, which are known for their diverse biological activities and potential therapeutic applications. In this comprehensive overview, we will delve into the chemical structure, synthesis methods, biological properties, and recent advancements in the research and development of 1,3-benzothiazole-6-carboxamide.

Chemical Structure and Properties

1,3-Benzothiazole-6-carboxamide is characterized by its unique molecular structure, which consists of a benzothiazole ring fused to a carboxamide functional group. The benzothiazole moiety is a heterocyclic compound with a six-membered ring containing sulfur and nitrogen atoms. The carboxamide group adds polarity and hydrogen bonding capabilities to the molecule, influencing its solubility and reactivity. The chemical formula of 1,3-benzothiazole-6-carboxamide is C₉H₇N₃O₂S, with a molecular weight of approximately 225.23 g/mol.

The physical properties of 1,3-benzothiazole-6-carboxamide include its appearance as a white to off-white crystalline solid. It is slightly soluble in water but exhibits better solubility in organic solvents such as dimethyl sulfoxide (DMSO) and dimethylformamide (DMF). These solubility characteristics make it suitable for various applications in both laboratory research and pharmaceutical formulations.

Synthesis Methods

The synthesis of 1,3-benzothiazole-6-carboxamide can be achieved through several routes, each with its own advantages and limitations. One common method involves the reaction of 6-chlorobenzothiazole with ammonia or an amine derivative under appropriate conditions. Another approach involves the cyclization of 2-aminothiophenol with an appropriate carboxylic acid or ester in the presence of a coupling agent.

A recent study published in the Journal of Organic Chemistry reported a novel one-pot synthesis method for 1,3-benzothiazole-6-carboxamide. This method utilizes microwave-assisted synthesis to enhance reaction efficiency and yield. The use of microwave technology not only reduces reaction time but also minimizes side reactions, leading to higher purity products.

Biological Properties and Applications

1,3-Benzothiazole-6-carboxamide has been extensively studied for its biological activities, which include antimicrobial, anti-inflammatory, and anticancer properties. These activities are attributed to the unique electronic and steric properties of the benzothiazole ring system.

In antimicrobial studies, 1,3-benzothiazole-6-carboxamide has shown promising results against a range of bacterial and fungal pathogens. A study published in the Journal of Medicinal Chemistry demonstrated that derivatives of this compound exhibit potent activity against multidrug-resistant strains of Staphylococcus aureus and Candida albicans. The mechanism of action involves disruption of cell membrane integrity and inhibition of essential enzymes involved in microbial metabolism.

The anti-inflammatory properties of 1,3-benzothiazole-6-carboxamide have also been explored in preclinical studies. Research conducted at the University of California found that this compound effectively inhibits the production of pro-inflammatory cytokines such as TNF-α and IL-6 in lipopolysaccharide-stimulated macrophages. These findings suggest potential applications in treating inflammatory diseases such as rheumatoid arthritis and inflammatory bowel disease.

In the realm of cancer research, 1,3-benzothiazole-6-carboxamide has shown promise as an anticancer agent. A study published in Cancer Research reported that this compound selectively induces apoptosis in various cancer cell lines while sparing normal cells. The mechanism involves activation of caspase-dependent pathways and inhibition of cell cycle progression at the G2/M phase.

Clinical Trials and Future Prospects

The promising preclinical results have led to increased interest in advancing 1,3-benzothiazole-6-carboxamide-based compounds into clinical trials. Several pharmaceutical companies are currently investigating these compounds for their potential therapeutic applications.

A Phase I clinical trial conducted by a leading pharmaceutical company evaluated the safety and pharmacokinetics of a novel derivative of 1,3-benzothiazole-6-carboxamide. The trial demonstrated favorable safety profiles with no serious adverse events reported at therapeutic doses. These findings have paved the way for further Phase II trials to assess efficacy in specific disease indications.

In addition to its direct therapeutic applications, 1,3-benzothiazole-6-carboxamide-based compounds are being explored as drug delivery systems due to their ability to enhance solubility and bioavailability. Research at Harvard University has shown that encapsulating these compounds in nanoparticles can improve their delivery to target tissues while reducing systemic toxicity.

Conclusion

1,3-Benzothiazole-6-carboxamide (CAS No. 101084-51-9) is a multifaceted compound with significant potential in various areas of medicinal chemistry and pharmaceutical research. Its unique chemical structure confers diverse biological activities that make it an attractive candidate for developing new therapeutic agents. Ongoing research continues to uncover new applications and improve our understanding of its mechanisms of action. As clinical trials progress, it is anticipated that this compound will play an increasingly important role in advancing medical treatments for a range of diseases.

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