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。