Construction of 7-Azaindoles Using O-Vinylhydroxylamines: N-Oxide Activation and [3,3]-Sigmatropic Rearrangement
7-Azaindole consists of a fused pyridine and pyrrole ring system. Compared with conventional indole, one carbon atom in the six-membered aromatic ring is replaced by a nitrogen atom, resulting in changes in the molecular electron distribution, basicity, and hydrogen-bonding behavior. ...
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