Transition metal complexes in organic sy
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Hans-Joachim KnΓΆlker; Simon CΓ€mmerer
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Article
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2000
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Elsevier Science
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French
β 132 KB
ΓΎ)-Demethoxycarbonyldihydrogambirtannine was obtained in six steps and 49% overall yield from 3,4-dihydro-b-carboline using an iron-mediated [2+2+1] cycloaddition as the key-step. Oxidation of (ΓΎ)-demethoxycarbonyldihydrogambirtannine led to norketoyobyrine.