The palladium(0)-catalyzed amination followed by palladium(II)-catalyzed oxidative cyclization of the resulting diaryl-amine provides a short route to a series of 6-oxygenated carbazole alkaloids: glycozoline, 3-formyl-6-methoxycarbazole, methyl 6-methoxycarbazole-3-carboxylate, glycozolinine (glycozolinol), glycomaurrol, micromeline, and eustifoline-D.
钯 (0) 催化胺化,然后
钯 (II) 催化氧化环化所得二芳基胺为一系列 6-氧化
咔唑生物碱提供了一条捷径:糖唑啉、3-甲酰基-6-甲氧基
咔唑、甲基 6 -甲氧基
咔唑-3-羧酸盐、糖唑啉(糖唑啉醇)、糖尿酮、微梅林和eustifoline-D。