• 1. Aggregation-induced emission based on a fluorinated macrocycle: visualizing spontaneous and ultrafast solid-state molecular motions at room temperature via F?F interactions?
  Mei Zhang,Jingjing Guo,Tingting Liu,Zhanyu He,Majeed Irfan,Zujin Zhao,Zhuo Zeng J. Mater. Chem. C, 2020,8, 14919-14924
• 2. Alternative mixtures to R-600a. Theoretical assessment and experimental energy evaluation of binary mixtures in a commercial cooler: Mélanges alternatifs au R-600a. évaluation théorique et évaluation énergétique expérimentale de mélanges binaires dans un refroidisseur commercial.
  DanielCalleja-Anta,DanielSánchez,LauraNebot-Andres,RamónCabello,RodrigoLlopis
• 3. An approach to C–N activation: coupling of arenesulfonyl hydrazides and arenesulfonyl chlorides with tert-amines via a metal-, oxidant- and halogen-free anodic oxidation??
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• 4. An amphipathic trans-acting phosphorothioate RNA element delivers an uncharged phosphorodiamidate morpholino sequence in mdx mouse myotubes?
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• 5. An antioxidative galactomannan extracted from Chinese Sesbania cannabina enhances immune activation of macrophage cells?
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• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Benzothiophenes 1-benzothiophenes

Benzo[b]thiophene-3-carboxylic acid, methyl ester (CAS No. 22913-25-3): A Comprehensive Overview

Benzo[b]thiophene-3-carboxylic acid, methyl ester, with the chemical identifier CAS No. 22913-25-3, is a significant compound in the realm of organic chemistry and pharmaceutical research. This heterocyclic aromatic compound belongs to the benzo[b]thiophene family, characterized by its fused benzene and thiophene rings. The presence of a carboxylic acid methyl ester group at the 3-position enhances its utility in synthetic chemistry and biological applications.

The structural uniqueness of Benzo[b]thiophene-3-carboxylic acid, methyl ester makes it a valuable intermediate in the synthesis of more complex molecules. Its benzo[b]thiophene core is a privileged scaffold in medicinal chemistry, frequently employed in the development of drugs targeting various therapeutic areas. The compound's ability to undergo diverse chemical transformations, such as nucleophilic substitution and condensation reactions, underscores its versatility in synthetic protocols.

In recent years, there has been growing interest in the pharmacological potential of benzo[b]thiophene derivatives. Studies have highlighted their role in modulating biological pathways associated with inflammation, neurodegeneration, and cancer. The carboxylic acid methyl ester functionality not only influences the compound's solubility and metabolic stability but also serves as a reactive site for further derivatization, enabling the creation of novel bioactive molecules.

One of the most compelling aspects of Benzo[b]thiophene-3-carboxylic acid, methyl ester is its application in the development of small-molecule inhibitors. Research has demonstrated its efficacy in inhibiting enzymes involved in signal transduction pathways critical for disease progression. For instance, studies have shown that derivatives of this compound exhibit potent activity against kinases and other targets relevant to oncology and immunology.

The synthesis of Benzo[b]thiophene-3-carboxylic acid, methyl ester typically involves multi-step organic reactions, starting from readily available precursors such as thiophene derivatives. Advanced synthetic methodologies, including palladium-catalyzed cross-coupling reactions and enzymatic resolutions, have been employed to achieve high yields and purity. These techniques not only streamline the production process but also enhance the scalability of the synthesis for industrial applications.

The pharmacokinetic properties of Benzo[b]thiophene-3-carboxylic acid, methyl ester have been extensively studied to optimize its therapeutic potential. Preclinical trials have revealed favorable absorption, distribution, metabolism, and excretion (ADME) profiles, suggesting its suitability for oral administration. Additionally, structural modifications have been explored to improve bioavailability and reduce potential side effects.

In conclusion, Benzo[b]thiophene-3-carboxylic acid, methyl ester (CAS No. 22913-25-3) is a multifaceted compound with significant implications in pharmaceutical research and development. Its unique structural features and versatile reactivity make it an indispensable tool for chemists and biologists alike. As ongoing research continues to uncover new applications and therapeutic benefits, this compound is poised to play a pivotal role in the next generation of medicinal innovations.

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