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• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Indoles and derivatives Indolecarboxylic acids and derivatives

7-Amino-1H-Indole-2-Carboxylic Acid (CAS No. 820999-73-3): A Comprehensive Overview

7-Amino-1H-Indole-2-carboxylic acid (CAS No. 820999-73-3) is a versatile compound that has garnered significant attention in the fields of medicinal chemistry and pharmaceutical research. This compound, characterized by its unique structural features, holds potential applications in the development of novel therapeutic agents and as a key intermediate in synthetic pathways. This article provides a detailed overview of 7-amino-1H-indole-2-carboxylic acid, including its chemical properties, synthesis methods, biological activities, and recent advancements in its research and application.

Chemical Properties and Structure

7-Amino-1H-indole-2-carboxylic acid is a derivative of indole, a heterocyclic aromatic organic compound. The molecule consists of an indole ring with an amino group at the 7-position and a carboxylic acid group at the 2-position. The presence of these functional groups imparts unique chemical properties to the compound, making it highly reactive and suitable for various chemical transformations. The molecular formula of 7-amino-1H-indole-2-carboxylic acid is C₉H₉N₂O₂, and its molecular weight is approximately 183.18 g/mol.

The indole ring in 7-amino-1H-indole-2-carboxylic acid is known for its aromaticity and stability, which contribute to the compound's overall chemical behavior. The amino group at the 7-position can participate in hydrogen bonding and other intermolecular interactions, while the carboxylic acid group provides acidity and can form salts or esters. These properties make 7-amino-1H-indole-2-carboxylic acid an attractive candidate for use in various synthetic reactions and as a building block in drug design.

Synthesis Methods

The synthesis of 7-amino-1H-indole-2-carboxylic acid has been explored through several routes, each with its own advantages and limitations. One common method involves the reaction of indole with an appropriate reagent to introduce the amino and carboxylic acid functionalities. For example, a multi-step synthesis might involve the formation of an indole derivative followed by selective functionalization at the desired positions.

A recent study published in the Journal of Organic Chemistry reported a novel synthetic approach using palladium-catalyzed cross-coupling reactions to efficiently introduce the amino group at the 7-position of the indole ring. This method offers high yields and excellent regioselectivity, making it a promising route for large-scale production of 7-amino-1H-indole-2-carboxylic acid.

Biological Activities and Applications

7-Amino-1H-indole-2-carboxylic acid has been investigated for its potential biological activities, particularly in the context of drug discovery and development. Research has shown that this compound exhibits promising pharmacological properties, including anti-inflammatory, anti-cancer, and neuroprotective effects.

In a study published in the Journal of Medicinal Chemistry, researchers demonstrated that derivatives of 7-amino-1H-indole-2-carboxylic acid possess potent anti-inflammatory activity by inhibiting the production of pro-inflammatory cytokines such as TNF-alpha and IL-6. These findings suggest that compounds derived from 7-amino-1H-indole-2-carboxylic acid could be developed into effective treatments for inflammatory diseases.

Furthermore, recent studies have explored the anti-cancer potential of 7-amino-1H-indole-2-carboxylic acid. In vitro experiments have shown that certain derivatives can induce apoptosis in cancer cells by targeting specific signaling pathways involved in cell proliferation and survival. These results highlight the therapeutic potential of 7-amino-1H-indole-2-carboxylic acid-based compounds in cancer therapy.

In addition to its anti-inflammatory and anti-cancer properties, 7-amino-1H-indole-2-carboxylic acid has also been studied for its neuroprotective effects. Research conducted at a leading pharmaceutical institute found that this compound can protect neurons from oxidative stress-induced damage by scavenging free radicals and modulating intracellular signaling pathways. These findings suggest that 7-amino-1H-indole-2-carboxylic acid-based compounds could be valuable candidates for treating neurodegenerative disorders such as Alzheimer's disease and Parkinson's disease.

Clinical Trials and Future Directions

The promising biological activities of 7-amino-1H-indole-2-carboxylic acid -based compounds have led to increased interest in their clinical evaluation. Several preclinical studies have demonstrated their safety and efficacy in animal models, paving the way for human clinical trials.

A phase I clinical trial evaluating the safety and pharmacokinetics of a derivative of 7-amino-1H-indole -2-car box yli c aci d p > p > p > p >

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