An Expedient Route to Imidazo[1,4]diazepin-7-ones via A Post-Ugi Gold-Catalyzed Heteroannulation
作者:Amit Kumar、Zhenghua Li、Sunil K. Sharma、Virinder S. Parmar、Erik V. Van der Eycken
DOI:10.1021/ol400526a
日期:2013.4.19
A novel diversity-oriented post-Ugi/gold(I)-catalyzed heteroannulation process for the synthesis of imidazo[1,4]diazepin-7-ones is elaborated. The scope and limitations of the protocol are discussed.
Divergent Access to Imidazopyrazinones and Imidazodiazepinones by Regioswitchable Post-Ugi Heteroannulation
作者:Danjun Wu、Xueling Zhang、Yi Li、Sanjun Ying、Lixi Zhu、Zhenghua Li、Gensheng Yang、Erik V. Van der Eycken
DOI:10.1002/ejoc.201901511
日期:2019.12.19
Exo/endo‐Selectivity Switch: A divergentaccess to structurally diversified bicyclic imidazo[1,5‐a]pyrazine and imidazo[1,5‐a][1,4]diazepine scaffolds has been elaborated through a phosphine‐triggered selective intramolecular 6‐exo‐dig and a thermal 7‐endo‐dig post‐Ugi heterocyclization
Exo / endo-选择性开关:通过磷化氢触发的选择性分子内分子6精心构造了结构多样化的双环咪唑并[1,5- a ]吡嗪和咪唑并[1,5- a ] [1,4]二氮杂pine骨架。 -外-挖和热7-远藤-挖后卯木heterocyclization