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Organocatalytic enantioselective (3+2) cycloaddition using stable azomethine ylides

  作者 FERNANDEZ NAIARA; CARRILLO LUISA; VICARIO JOSE L; BADIA DOLORES; REYES EFRAIM  
  选自 期刊  Chemical Communications;  卷期  2011年47-45;  页码  12313-12315  
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[摘要]We have developed a highly efficient procedure for carrying out the catalytic enantioselective (3+2) cycloaddition between enals and stable azomethine ylides such as isoquinolinium and phthalizinium methylides. Under the optimized reaction conditions highly substituted chiral pyrroloisoquinolines and pyrrolophthalazines have been obtained in high yields and excellent diastereo- and enantioselectivities.

 
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