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Introduction to 2-(Benzobthiophen-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS No. 171364-86-6)

2-(Benzobthiophen-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, identified by its Chemical Abstracts Service (CAS) number 171364-86-6, is a specialized organoboron compound that has garnered significant attention in the field of synthetic chemistry and pharmaceutical research. This compound belongs to the class of boron-containing heterocycles, which are widely recognized for their utility in cross-coupling reactions and as intermediates in the synthesis of complex organic molecules. The structural features of this compound, particularly its benzobthiophene moiety and tetramethyl-substituted dioxaborolane backbone, make it a versatile building block for constructing biologically relevant scaffolds.

The benzobthiophen-3-yl substituent in the molecular structure imparts unique electronic and steric properties to the compound. Benzobthiophenes are known for their aromaticity and stability, which can be advantageous in the design of drug candidates that require robust molecular frameworks. The presence of a boron atom at the 1,3,2-dioxaborolane position enhances the compound's reactivity in palladium-catalyzed cross-coupling reactions, such as Suzuki-Miyaura couplings. These reactions are pivotal in modern medicinal chemistry for the efficient construction of carbon-carbon bonds, enabling the synthesis of novel heterocyclic compounds with potential therapeutic applications.

In recent years, there has been a surge in research focused on developing new methodologies for boron-containing compounds due to their broad spectrum of biological activities. The tetramethyl-substituted dioxaborolane core provides a stable handle for further functionalization while minimizing unwanted side reactions. This makes 2-(Benzobthiophen-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane an attractive intermediate for researchers aiming to explore novel pharmacophores. Studies have demonstrated its utility in generating libraries of substituted benzobthiophenes through streamlined synthetic routes.

One of the most compelling aspects of this compound is its potential application in the development of small-molecule inhibitors targeting various disease-related pathways. For instance, benzobthiophene derivatives have shown promise as kinase inhibitors and antiviral agents. The boronate functionality allows for selective modifications at specific positions within the molecule, enabling fine-tuning of pharmacokinetic properties such as solubility and bioavailability. This level of structural control is crucial for optimizing drug-like characteristics and improving therapeutic efficacy.

Recent advancements in computational chemistry have further enhanced the understanding of how 2-(Benzobthiophen-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane interacts with biological targets. Molecular modeling studies have revealed that the benzobthiophene ring can adopt multiple conformations depending on the surrounding environment, which may influence binding affinity and selectivity. These insights are being leveraged to design next-generation compounds with improved binding profiles. Additionally, green chemistry principles have been integrated into synthetic protocols involving this compound to minimize environmental impact while maintaining high yields and purity.

The pharmaceutical industry has also embraced flow chemistry techniques to streamline the synthesis of complex boronate esters like 2-(Benzobthiophen-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane. Flow systems offer advantages such as scalability and reproducibility, which are essential for industrial production. By automating reaction conditions and purification steps, researchers can accelerate the discovery process and reduce costs associated with traditional batch methods.

Another area where this compound has shown significant promise is in materials science. Boron-containing heterocycles are increasingly being explored as components in organic electronics due to their ability to form stable conjugated systems. The electronic properties of benzobthiophen-3-yl derivatives make them suitable candidates for use in light-emitting diodes (LEDs), organic photovoltaics (OPVs), and other optoelectronic devices. The tetramethyl substitution enhances thermal stability while preserving electronic delocalization across the aromatic system.

In conclusion,2-(Benzobthiophen-3-yl)-4,4,5tetramethyl 1 32dioxaborolane (CAS No 17136486) represents a valuable tool for synthetic chemists pharmaceutical researchers and materials scientists alike Its unique structural features offer opportunities for designing novel biologically active compounds advanced materials with tailored electronic properties The ongoing research into this compound underscores its importance as a building block in modern chemical synthesis

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