New catalysts for Suzuki-Miyaura coupling reactions of heteroatom-substituted heteroaryl chlorides |
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Authors: | Guram Anil S Wang Xiang Bunel Emilio E Faul Margaret M Larsen Robert D Martinelli Michael J |
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Affiliation: | Chemistry Research and Discovery, Amgen Inc., Thousand Oaks, California 91320-1799, USA. aguram@amgen.com |
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Abstract: | The new air-stable PdCl2[PR2(Ph-R')]2 complexes, readily prepared from commercial reagents, exhibit unique efficiency as catalysts for the Suzuki-Miyaura coupling reactions of a variety of heteroatom-substituted heteroaryl chlorides with a diverse range of aryl/heteroaryl boronic acids. The coupling reactions catalyzed by the new complexes exhibit high product yields (88-99%) and high catalyst turnover numbers (up to 10,000 TON). |
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