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  • Title: The first regiospecific, enantiospecific total synthesis of 6-oxoalstophylline and an improved total synthesis of alstonerine and alstophylline as well as the bisindole alkaloid macralstonine.
    Author: Liao X, Zhou H, Wearing XZ, Ma J, Cook JM.
    Journal: Org Lett; 2005 Aug 04; 7(16):3501-4. PubMed ID: 16048327.
    Abstract:
    A Wacker sequence has been modified to rapidly generate ring E of (-)-alstonerine, (+)-6-oxoalstophylline, and (-)-alstophylline via a domino process. This one-pot sequence provides facile entry into the dihydropyranyl enone unit of many Alstonia alkaloids. [structure: see text]
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