Synthesis of Functionalized Benzo [b] thiophenes by the Intramolecular Copper??Catalyzed Carbomagnesiation of Alkynyl (aryl) thioethers
T Kunz, P Knochel
Index: Kunz, Thomas; Knochel, Paul Angewandte Chemie - International Edition, 2012 , vol. 51, # 8 p. 1958 - 1961
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Citation Number: 44
Abstract
The synthesis of novel functionalized heterocycles is an important topic in synthetic organic chemistry.[1] Several methodologies for the construction of indoles, benzofurans, benzothiophenes, and other fused-ring compounds by cyclization reactions have been reported.[2] These ring-closing procedures include metalative cyclizations,[2b, 3] gold- catalyzed reactions,[2a, 4] copper-promoted halocyclizations,[5] and palladium-mediated ...
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