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A Chiral 6-Membered N-Heterocyclic Carbene Copper(I) Complex That Induces High Stereoselectivity

  作者 PARK JIN KYOON; LACKEY HERSHEL H; REXFORD MATTHEW D; KOVNIR KIRILL; SHATRUK MICHAEL; MCQUADE D TYLER  
  选自 期刊  Organic Letters;  卷期  2010年12-21;  页码  5008-5011  
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[摘要]A chiral 6-membered annulated N-heterocyclic (6-NHC) copper complex that catalyzes beta-borylations with high yield and enantioselectivity was developed. The chiral 6-NHC copper complex is easy to prepare on the gram scale and is very active, showing 10 000 turnovers at 0.01 mol % of catalyst without significant decrease of enantioselectivity and with useful reaction rates.

 
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