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Stereoselective Palladium‐Catalyzed Carboaminoxylations of Indoles with Arylboronic Acids and TEMPO
Authors:Sylvia Kirchberg  Roland Fröhlich Dr  Armido Studer Prof?Dr
Institution:Organisch‐Chemisches Institut, Westf?lische Wilhelms‐Universit?t, Corrensstrasse 40, 48149 Münster (Germany), Fax: (+49)?251‐83‐36523
Abstract:Indoles are not indolent : Various indoles react with arylboronic acids chemodivergently. C? H arylation of free indole and N‐methylindole gives the corresponding C(2)‐arylated indoles A whereas N‐acylated, N‐benzoylated, and N‐Boc‐protected indoles provide the corresponding arylcarboaminoxylated products B with excellent diastereoselectivity in good to excellent yields.
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Keywords:C?H activation  chemodivergent reactions  homogeneous catalysis  asymmetric synthesis  transition metals
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