react with alkynoic acids (AAs) to achieve gold‐catalyzed highly selective cascade reactions to furnish novel indole‐fused skeletons. Furthermore, with this powerful gold catalytic system, a library of indole/pyrrole/thiophene/benzene/naphthalene/pyridine‐based nitrogen‐containing heterocyclic compounds (NCHCs) with scaffold diversity and molecular complexity was constructed rapidly using various amine
One-pot synthesis of diverse isoindolobenzoxazinone and isoindoloquinazolinone derivatives through a transition metal-free cascade cyclization
作者:Xin-Ming Xu、Ran Shi、Wenzhong Li、Xuesi Zhang、Sen Chen、Zu-Li Wang、Xiangmin Wang
DOI:10.1016/j.molstruc.2023.135105
日期:2023.6
We herein report a practical and efficient transitionmetal-free cascade cyclization reaction of 2-acylbenzoic acids with various anthranilic acids and anthranilamides to furnish isoindolobenzoxazinones and isoindoloquinazolinones, respectively, in good overall yields. This one-pot synthetic protocol features simple operation, broad substrate scope and good tolerance of functional groups. Furthermore