Synthesis of Xantheno[1,9-<i>cd</i>]azepines: Electrophilic Cyclization of Carbamates and<i>N</i>-Acyliminium Ions
作者:Domingo Domínguez、Alberto García、Eduardo Gómez
DOI:10.1055/s-2004-832825
日期:——
Tetracyclic xantheno[1,9-cd]azepines and pentacyclic pyrrolo[1,2-a]xantheno[1,9-cd]azepines can be synthesized by assembling the azepine ring via cyclization of tertiary carbamates and N-acyliminium ions, respectively.
四环的xantheno[1,9-cd]azepines和五环的pyrrolo[1,2-a]xantheno[1,9-cd]azepines可以通过分别将三级氨基甲酸酯和N-酰亚胺离子的环化反应组装azepine环而合成。