• 1. The synthesis of dehydrotryptophan and dehydrotryptophan-containing peptides
  Harveen Kaur,Amanda M. Heapy,Margaret A. Brimble Org. Biomol. Chem. 2011 9 5897

Chemical Profile of 4-Bromo-1,1-dimethoxybutane (CAS No. 24157-02-6)

4-Bromo-1,1-dimethoxybutane, identified by the Chemical Abstracts Service Number (CAS No.) 24157-02-6, is a significant organic compound widely utilized in synthetic chemistry and pharmaceutical research. This molecule, featuring a brominated alkyl chain with two methoxy substituents, has garnered attention due to its versatile reactivity and potential applications in the development of novel bioactive molecules.

The structural framework of 4-Bromo-1,1-dimethoxybutane consists of a four-carbon backbone, where the first carbon is dimethylated (1,1-dimethoxy), and the fourth carbon is brominated. This unique configuration imparts distinct chemical properties that make it a valuable intermediate in organic synthesis. The presence of both bromine and methoxy groups allows for selective modifications via nucleophilic substitution or elimination reactions, enabling the construction of more complex molecular architectures.

In recent years, 4-Bromo-1,1-dimethoxybutane has been explored in the context of drug discovery and medicinal chemistry. Its structural features are particularly relevant in the synthesis of chiral compounds and heterocyclic scaffolds, which are prevalent in modern pharmacophores. For instance, researchers have leveraged this compound to develop intermediates for kinase inhibitors and other therapeutic agents targeting neurological and inflammatory disorders. The bromine atom serves as a versatile handle for further functionalization, while the methoxy groups can be selectively removed or modified to introduce additional pharmacological functionalities.

One notable application of 4-Bromo-1,1-dimethoxybutane is in the synthesis of β-lactam derivatives, which are critical in antibiotic development. The compound’s ability to undergo regioselective reactions allows for the construction of complex β-lactam cores with high precision. Additionally, its role in cross-coupling reactions, such as Suzuki-Miyaura or Buchwald-Hartwig couplings, has been investigated for the preparation of biaryl structures found in many active pharmaceutical ingredients (APIs). These transformations highlight the compound’s utility as a building block in synthetic organic chemistry.

The pharmaceutical industry has also shown interest in 4-Bromo-1,1-dimethoxybutane for its potential use in developing antiviral and anticancer agents. By serving as a precursor for constrained cyclic ethers or aziridines, this compound contributes to the synthesis of molecules capable of inhibiting viral proteases or disrupting tumor cell proliferation. The growing body of literature underscores its significance as a synthetic intermediate with broad applicability across multiple therapeutic areas.

From an industrial perspective, the production and handling of 4-Bromo-1,1-dimethoxybutane require careful optimization to ensure high yields and purity. Advances in catalytic systems and green chemistry principles have enabled more efficient synthetic routes, reducing waste and energy consumption. These improvements align with global efforts to promote sustainable chemical manufacturing practices while maintaining high standards of product quality.

Furthermore, computational studies have played a crucial role in understanding the reactivity patterns of 4-Bromo-1,1-dimethoxybutane. Molecular modeling techniques have been employed to predict reaction outcomes and guide experimental design. Such computational approaches not only accelerate the discovery process but also provide insights into mechanistic details that are essential for refining synthetic methodologies.

The safety profile of 4-Bromo-1,1-dimethoxybutane is another critical consideration in its application. While it is not classified as a hazardous material under standard regulatory frameworks, proper handling protocols must be followed to minimize exposure risks. Storage conditions should be controlled to prevent degradation, and personal protective equipment (PPE) is recommended during laboratory operations involving this compound.

Future research directions may explore novel derivatives of 4-Bromo-1,1-dimethoxybutane with enhanced biological activity or improved synthetic accessibility. Innovations in flow chemistry and continuous manufacturing could further streamline its production process, making it more cost-effective for large-scale applications. As drug discovery continues to evolve toward more sophisticated molecular targets, compounds like 4-Bromo-1,1-dimethoxybutane will remain indispensable tools for medicinal chemists.

In conclusion,4-Bromo-1,1-dimethoxybutane (CAS No. 24157-02-6) represents a versatile and valuable intermediate in synthetic chemistry with significant implications for pharmaceutical research. Its unique structural features enable diverse functionalizations，making it instrumental in developing novel therapeutic agents across various disease domains。With ongoing advancements in synthetic methodologies and computational chemistry，the role of this compound is poised to expand，contributing further to innovation in drug discovery and chemical manufacturing。

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