Microwave-Assisted Synthesis of 1,3-Disubstituted β-Carbolines from α-(Alkylideneamino)nitriles and Gramine
作者:Till Opatz、Julien Letessier、Heiner Detert、Katharina Götz
DOI:10.1055/s-0031-1289675
日期:2012.3
Reaction of deprotonated α-(alkylidenamino)nitriles with gramine in the presence of tributylphosphine furnishes α-substituted imines of tryptophane nitrile. Their subsequent intramolecular cyclization followed by dehydrocyanation and oxidation affords 1,3-disubstituted β-carbolines.
在三丁基膦存在下,去质子化的δ-(亚烷基氨基)腈与庚胺反应,生成色氨酸的δ-取代亚胺。随后,它们在分子内发生环化反应,再经过脱氢氰化和氧化反应,得到 1,3-二取代的 δ-羰基化合物。