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591-51-5[Li].[c]1ccccc1NHKJPPKXDNZFBJ-UHFFFAOYSA-N591-51-5DTXSID20883453Phenyllithium is a colorless crystalline solid or dark brown to black solution, It is soluble in polar solvents such as ethers and tertiary amines but insoluble in hydrocarbons. Concentrated solutions in volatile solvents are pyrophoric but can be safely handled under inert atmosphere.
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용도Phenyllithium Solution (1.9M in Dibutyl Ether) is used as catalyst in the synthesis of pharmaceuticals. Used in the preparation of sulfonamides as well as in the preparation of orally bioavailable inhibitors of lipoprotein-associated phospholipase A2.
Phenyllithium is usually prepared in the laboratory from bromobenzene and lithium metal in diethyl ether. Since phenyllithium cleaves ether, the solution must be used within a day or refrigerated. Industrially, it is produced from chlorobenzene and lithium metal dispersion in a benzene-ether mixture. A potentially useful and inexpensive process is one in which benzene is metalated by n-butyllithium in the presence of di-tertiary amines.
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