Abstract
AbstractCobalt(II)‐based metalloradical catalysis (MRC) has been successfully applied for effective construction of the highly strained 2‐sulfonyl‐1,3‐diazabicyclo[3.1.0]hexane structures in high yields through intramolecular radical aziridination of allylic sulfamoyl azides. The resulting [3.1.0] bicyclic aziridines prove to be versatile synthons for the preparation of a diverse range of 1,2‐ and 1,3‐diamine derivatives by selective ring‐opening reactions. As a demonstration of its application for target synthesis, the metalloradical intramolecular aziridination reaction has been incorporated as a key step for efficient synthesis of a potent neurokinin 1 (NK1) antagonist in 60 % overall yield.
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