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- W211601963 abstract "Abstract : At-100 deg a bromine or iodine atom attached to an aromatic nucleus can be replaced rapidly through halogen-metal exchange with butyllithium. Since at this low temperature many functional groups show a surprising unreactivity toward organolithium reagents, it has been found possible to generate many phenyllithium reagents having a functional group at the ortho, meta or para position. Functionalized phenyllithium reagents have great synthetic utility. Reaction with electrophiles, such a methyl iodide, bromine, benzaphenone, cyclohexonone, phthalic anhydride, benzoate esters, diphenyl disulfide or ethylene oxide replaces the aryl lithium atom resulting in a benzene ring with two functional groups. Usually, allowing the functionalized aryllithium to warm up results in an interaction between the lithium atom and the functional group. A useful example of such an interaction is the self condensation of lithium ortho-lithio benzoates to yield ortho-benzoylbenzoic acid." @default.
- W211601963 created "2016-06-24" @default.
- W211601963 creator A5046047944 @default.
- W211601963 date "1978-03-15" @default.
- W211601963 modified "2023-09-24" @default.
- W211601963 title "Synthesis of Benzoylbenzoic Acids Substituted Anthraquinones and Related Materials." @default.
- W211601963 doi "https://doi.org/10.21236/ada054264" @default.
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