Abstract
AbstractA divergent strategy is presented for the synthesis of 1,3‐di‐ and 1,3,4‐trisubstituted β‐carbolines through an unprecedented one‐pot triple‐orthogonal‐metal relay catalysis, and 1,3‐disubstituted 4‐hydroxy‐β‐carbolines through a one‐pot bimetallic relay catalysis from readily accessible 3‐(2‐aminophenyl)‐5‐hexenyn‐3‐ols. These strategies were elaborated to enable the synthesis of benzofuro[2,3‐c]pyridines, benzothieno[2,3‐c]pyridines, and isoquinolines, which otherwise require multistep synthesis.
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