Gold-Catalyzed Cyclization of 3‑(2′-Azidoaryl)-1-arylpropargyl
Carbonates or 3‑Aryl-1-(2′-azidoaryl)propargyl Carbonates
to Produce Quinolines
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Abstract
A gold-catalyzed cyclization of 3-(2′-azidoaryl)-1-arylpropargyl
carbonates to generate substituted quinolines via a sequence of 3,3-rearrangement,
6-<i>endo</i>-trig cyclization and denitrogenation has been
developed. Similar products could be obtained from 3-aryl-1-(2′-azidoaryl)propargyl
carbonates under different gold catalytic conditions via a sequential
6-<i>endo</i>-dig cyclization, denitrogenation, and 1,2-H
shift process