作者:Raji Reddy, Chada、Rathaur, Anjali、Karuna Sagar, Banoth、Theja, Agnuru、Patil, Amol D.、Subbarao, Muppidi
DOI:10.1002/adsc.202400382
日期:——
Herein, we present the first annulation reaction of (N-aryl)-alkynyl sulphonamides leading to sultams or spirocyclic sultams. The selective formation of aforesaid products is based on the variable reactivity, intramolecular ortho-cyclization or dearomative ipso-annulation, guided by the substituent on N-aryl group of the substrate. The ortho-annulation is mediated by electrophile, while the ipso-annulation
在本文中,我们提出了 (N-芳基)-炔基磺酰胺导致 sultams 或螺环sultams 的第一次环化反应。上述产物的选择性形成是基于可变反应性、分子内邻位环化或脱异构 ipso-annulation,由底物的 N-芳基取代基引导。邻位环化由亲电试剂介导,而 ipso 环化由自由基促进,从而能够在 sultams 上官能化(硒或碘)。该方法的合成潜力通过对所获得产品中存在的官能团的修饰来说明。