作者: Franz Bracher , Dirk Hildebrand
DOI: 10.1002/JLAC.1993199301132
关键词:
摘要: β-Carboline Alkaloids, II. – Tributyl(1-ethoxyvinyl)stannane as a C2-Building Block in the Syntheses of Alkaloids 1-Acetyl-β-carboline (4) is prepared by palladium-catalyzed coupling 1-chloro-β-carboline (1) with tributyl(1-ethoxyvinyl)stannane (3) and subsequent hydrolysis aqueous acid. Reduction 4 NaBH4 gives alkaloid 5. Nitramarine (7) annomontine (9) are from one-pot conversions acetyl group to quinoline or an aminopyrimidine ring, respectively.