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Copper-Catalyzed Chemoselective and Enantioselective Friedel–Crafts 1,2-Addition of Pyrrole with β,γ-Unsaturated α‑Ketoesters

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journal contribution
posted on 21.04.2017, 00:00 by Jianan Sun, Yanbin Hu, Yanan Li, Sheng Zhang, Zhenggen Zha, Zhiyong Wang
A Friedel–Crafts alkylation of pyrrole was developed to afford the β,γ-unsaturated α-hydroxy esters bearing a quaternary stereogenic center with good enantioselectivities and yields. This protocol represents the first report of 1,2-addition of Friedel–Crafts alkylation of pyrrole to β,γ-unsaturated α-ketoesters.

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