Quinolizidines. XXVI. : A Synthesis of (±)-Deplancheine
作者： Tozo FUJII , Masashi OHBA , Noriko SASAKI
DOI: 10.1248/CPB.37.2822
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摘要: A formal racemic synthesis of the Alstonia and Aspidosperma alkaloid deplancheine (12) has been achieved in form tetracyclic methyl ketone 11 through «3-acetylpyridine route». The route started with an initial quaternization ketal 5 2-(3-indolyl) ethyl bromide proceeded intermediates 7 8
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