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Chari, Helv. 59, 2592.[9] K. Hostettmnnn & A . Jacot-Guillarmod, Helv. 57, 1155. 423,45 (1976).Springer, New York. 1970. Total Synthesis of Indole and Dihydroindole Alkaloids. XV').Further Chemistry of Vindoline SummaryThe general reactivity of various sites in the vindoline series has been investigated. The facility of electrophilic substitution at C(15) and the effect of steric crowding on reactions at C(4) are discussed. At the basic nitrogen sites, oxidations with mercuric acetate and potassium permanganate are also discussed.

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Im Hinblick auf die biologischen Eigenschaften von Bisindol‐Alkaloiden, die an dem Na‐Atom formyliert sind, werden Methoden zur Demethylierung oder Oxidation am N3?‐CH3 von Verbindungen mit Vindolin‐Gerüst untersucht.

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