• 1. Concerning the 1,5-stereocontrol in tin(iv) chloride promoted reactions of 4- and 5-alkoxyalk-2-enylstannanes: trapping intermediate allyltin trichlorides using phenyllithium
  Lindsay A. Hobson,Eric J. Thomas Org. Biomol. Chem. 2012 10 7510
• 2. Concerning the 1,5-stereocontrol in tin(iv) chloride promoted reactions of 4- and 5-alkoxyalk-2-enylstannanes: trapping intermediate allyltin trichlorides using phenyllithium
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• 3. Unexpected structural motifs in diamine coordination compounds with allyllithium
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• 4. Photolabile acetals as profragrances: the effect of structural modifications on the light-induced release of volatile aldehydes on cotton
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• 5. Efficient one-pot preparation of 6-methylsulfanyl-5-phenyl-2,3-dihydro-1H-pyrrolizine from 2-tert-butylsulfanyl-3-phenyl- or pyrrolidin-1-yl-cyclopropenethiones
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• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Benzene and substituted derivatives
• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives
• Other Chemical Reagents Organic Metal Reagents

Phenyllithium (CAS No. 591-51-5): A Comprehensive Overview in Modern Chemical Research

Phenyllithium, with the chemical formula C?H?Li, is a significant organolithium compound characterized by its unique reactivity and structural properties. Its CAS number, 591-51-5, identifies it as a distinct chemical entity within the broader category of organometallic compounds. This compound has garnered considerable attention in the field of synthetic chemistry due to its role as a versatile intermediate in organic transformations and its applications in pharmaceutical research.

The structure of phenyllithium features a lithium center bonded to a phenyl group, resulting in a highly reactive species that is sensitive to moisture and air. This reactivity makes it a valuable tool in the synthesis of complex organic molecules, particularly in the construction of carbon-carbon bonds. The compound's ability to act as a nucleophile and base has been exploited in various synthetic pathways, making it an indispensable reagent in modern organic synthesis.

Recent advancements in the study of phenyllithium have focused on its applications in pharmaceutical development. Researchers have leveraged its unique reactivity to develop novel methodologies for constructing biologically active molecules. For instance, studies have demonstrated its utility in the synthesis of heterocyclic compounds, which are prevalent in many pharmaceuticals. The ability to introduce lithium into complex molecular frameworks has opened new avenues for drug discovery, particularly in the design of small-molecule inhibitors and agonists.

One of the most intriguing aspects of phenyllithium is its role as a precursor to more complex organometallic species. Its reactivity with various electrophiles allows for the formation of carbon-carbon bonds, which are fundamental to constructing intricate molecular architectures. This property has been particularly useful in cross-coupling reactions, where phenyllithium serves as a key intermediate. Such reactions are pivotal in the synthesis of natural products and pharmacologically relevant compounds.

The use of phenyllithium in catalysis has also been explored, with researchers investigating its potential as a ligand or co-catalyst in various transformations. Its ability to coordinate with transition metals has led to novel catalytic systems that enhance reaction efficiency and selectivity. These findings have implications not only for academic research but also for industrial applications, where optimizing synthetic routes is crucial for cost-effective and sustainable chemical production.

In addition to its synthetic applications, phenyllithium has been studied for its potential roles in materials science. Its unique electronic properties make it a candidate for use in organic electronics, where it could contribute to the development of new materials for optoelectronic devices. While this area of research is still nascent, the promise of phenyllithium as a building block for advanced materials is significant and warrants further investigation.

The handling and storage of phenyllithium require stringent conditions due to its sensitivity to environmental factors such as moisture and air. Typically, it is stored under an inert atmosphere, such as argon or nitrogen, to prevent degradation. These conditions necessitate specialized equipment and protocols, which are standard practice in research laboratories working with organometallic compounds.

From a safety perspective, while phenyllithium is not classified as a hazardous material under standard definitions, proper handling procedures must be followed to mitigate any potential risks associated with its reactivity. Personal protective equipment (PPE), including gloves and safety goggles, is essential when working with this compound. Additionally, laboratories must be equipped with fume hoods and other safety apparatuses to ensure safe usage.

The future prospects for phenyllithium are promising, with ongoing research aimed at expanding its utility across multiple domains. As synthetic methodologies continue to evolve, the role of this compound is expected to grow, particularly in the context of green chemistry initiatives that emphasize sustainable and efficient synthetic routes.

In conclusion,phenyllithium (CAS No. 591-51-5) remains a cornerstone of modern chemical research due to its unique properties and broad applicability. From pharmaceutical synthesis to materials science,its versatility makes it an invaluable tool for chemists worldwide. As new discoveries are made,the potential uses for this compound will undoubtedly continue to expand, solidifying its place as a key player in the advancement of chemical science.

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