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Catalytic Asymmetric Addition of Thiols to Nitrosoalkenes Leading to Chiral Non-Racemic alpha-Sulfenyl Ketones

  作者 HATCHER JOHN M; KOHLER MARK C; COLTART DON M  
  选自 期刊  Organic Letters;  卷期  2011年13-15;  页码  3810-3813  
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[摘要]The first asymmetric organocatalytic sulfenylation of in situ derived nitrosoalkenes leading to chiral nonracemic alpha-sulfenylated ketones is described. The transformation proceeds in an umpolung fashion, relative to enolate/azaenolate methods, and uses simple thiols, thereby obviating the need for electrophilic sulfur reagents.

 
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