ChemInform Abstract: The tert-Butyl Sulf
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V. Levacher; B. Langer Eriksen; M. Begtrup; G. Dupas; G. Queguiner; J. Duflos; J
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Article
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2010
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John Wiley and Sons
β 32 KB
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The tert-Butyl Sulfoximine Group as an Effective ortho-Director of Lithiation: ortho-Metalated S-(tert-Butyl)-S-phenylsulfoximines. -Lithiation of the S-tert-butyl-S-phenylsulfoximines (I) occurs selectively at the ortho-position. Trapping with electrophiles at -78 β’ C affords the orthosubstituted