Cyclic Hypervalent Iodine Reagents for Azidation: Safer Reagents and Photoredox-Catalyzed Ring Expansion
作者:Sebastien Alazet、Johannes Preindl、Raphael Simonet-Davin、Stefano Nicolai、Annik Nanchen、Thierry Meyer、Jerome Waser
DOI:10.1021/acs.joc.8b02068
日期:2018.10.5
Azides are building blocks of increasing importance in synthetic chemistry, chemical biology, and materials science. Azidobenziodoxolone (ABX, Zhdankin reagent) is a valuable azide source, but its safety profile has not been thoroughly established. Herein, we report a safety study of ABX, which shows its hazardous nature. We introduce two derivatives, tBu-ABX and ABZ (azidobenziodazolone), with a better
叠氮化物是在合成化学,化学生物学和材料科学中越来越重要的基石。叠氮基苯并恶唑酮(ABX,Zhdankin试剂)是有价值的叠氮化物来源,但尚未完全确定其安全性。在此,我们报告ABX的安全性研究,表明其危险性。我们引入了具有更好安全性的两种衍生物t Bu-ABX和ABZ(叠氮基苯并恶唑啉酮),并将其用于已建立的光氧化还原和金属介导的叠氮化,以及在甲硅烷基化的环丁醇的新环扩环中生成叠氮化的环戊酮。