Synthesis of Pyrroles by Gold(I)-Catalyzed Amino−Claisen Rearrangement of <i>N</i>-Propargyl Enaminone Derivatives
作者:Akio Saito、Tomoyo Konishi、Yuji Hanzawa
DOI:10.1021/ol902716n
日期:2010.1.15
The cationic N-heterocyclic carbene−gold(I) complex catalyzes the formation of tri- and tetrasubstituted pyrroles via the amino−Claisen rearrangement of N-propargyl β-enaminone derivatives and the cyclization of α-allenyl β-enaminone intermediates.
阳离子N-杂环卡宾-金(I)络合物通过N-炔丙基β-烯胺酮衍生物的氨基-克莱森重排和α-烯丙基β-烯胺酮中间体的环化反应催化三和四取代吡咯的形成。