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Biomimetic Synthesis and Proposal of Relative and Absolute Stereochemistry of Heronapyrrole C

  作者 SCHMIDT JENS; STARK CHRISTIAN B W  
  选自 期刊  Organic Letters;  卷期  2012年14-16;  页码  4042-4045  
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[摘要]The first synthesis of (-)-heronapyrrole C, the enantiomer of a unique farnesylated 2-nitropyrrole natural product is described. With none of the chiral centers of heronapyrrole C originally assigned, we proposed the most likely natural configuration on the basis of a putative biosynthetic pathway. The key step of the synthesis is a biomimetic polyepoxide cyclization cascade to establish the bis-THF moiety. Thus, (-)-heronapyrrole C is synthesized in eight steps from commercially available starting materials.

 
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